Coinbase is seeking experienced backend engineers to join our team to build out the next generation of crypto-forward products and features. You will solve unique, large scale, highly complex technical problems, bridging the constraints posed by web-scale applications and blockchain technology. You will help build the next generation of systems to make cryptocurrency accessible to everyone across the globe, operating real-time applications with high frequency, low latency updates, and managing the most secure infrastructure running in the cloud.

The Growth organization drives Coinbase’s mission of bringing the world onchain. By building and leveraging growth tools across multiple avenues, including referral and incentives programs, creating a world-class notifications system, building a dynamic, engaging, and accessible logged-out web experience, and optimizing our new user onboarding flow, we ensure that Coinbase is the easiest, safest, and fastest way to buy, hold, and trade Crypto assets, and ensure our new users are set up for success from their first interaction.

What you'll be doing:

• Build and run experiments to power the growth of Coinbase’s retail products.
• Design scalable systems to solve novel problems with modern cloud technology and industry best practices.
• Work with engineers, designers, product managers and senior leadership to turn our product and technical vision into a tangible roadmap every quarter.
• Write high quality, well tested code to meet the needs of your customers.

What we look for in you:

• You have at least 2+ years of experience in software engineering.
• You’ve designed, built, scaled and maintained production services, and know how to compose a service oriented architecture.
• You write high quality, well tested code to meet the needs of your customers.
• You’re passionate about building an open financial system that brings the world together.

Nice to haves:

• You have experience launching new products from 0 to 1
• Experience with growth experiments or A/B testing frameworks.
• You have experience with Blockchain technology (such as Bitcoin, Ethereum etc..)
• You’ve worked with Golang, Ruby, Docker, Rails, Postgres, MongoDB or DynamoDB.
• You’ve built fintech, highly reliable and/or secure systems.
• Crypto-forward experience, including familiarity with onchain activity such as interacting with Ethereum addresses, using ENS, and engaging with dApps or blockchain-based services.

Job #: GCBE04US

*Answers to crypto-related questions may be used to evaluate your onchain experience.

#LI-Remote

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Coinbase is seeking experienced frontend engineers to join our team to build out the next generation of crypto-forward products and features. You will help build the next generation of systems to make cryptocurrency accessible to everyone across the globe.

The Growth organization drives Coinbase’s mission of bringing the world onchain. By building and leveraging growth tools across multiple avenues, including referral and incentives programs, creating a world-class notifications system, building a dynamic, engaging, and accessible logged-out web experience, and optimizing our new user onboarding flow, we ensure that Coinbase is the easiest, safest, and fastest way to buy, hold, and trade Crypto assets, and ensure our new users are set up for success from their first interaction.

What you'll be doing:

• Build and run experiments to power the growth of Coinbase’s retail products.
• Build engaging, dynamic, and accessible user experiences that delight users while providing world-class ease of use and security.
• Work with engineers, designers, product managers and senior leadership to turn our product and technical vision into a tangible roadmap every quarter.
• Write high quality, well tested code to meet the needs of your customers.

What we look for in you:

• You have at least 2+ years of experience in developing web apps and shipping user-facing features with JavaScript and modern, component-based JS frameworks like React.
• You've developed and shipped user-facing features using component-based UI frameworks.
• You’re familiar with current trends and best practices in front-end architecture, including performance, security and usability.
• You’re familiar with product and design lifecycles, and collaborating closely with designers, engineers, and product managers.
• You write high quality, well tested code to meet the needs of your customers.

Nice to haves:

• You have experience launching new products from 0 to 1
• Experience with growth experiments or A/B testing frameworks.
• You've worked on front-end teams in the finance or security space
• You have at least 1 year of experience in developing React Native mobile apps or helped move existing native apps to React Native
• Crypto-forward experience, including familiarity with onchain activity such as interacting with Ethereum addresses, using ENS, and engaging with dApps or blockchain-based services.

Job #: GCFE04US

#LI-Remote

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Echo Base is a private holding company pursuing special situation control investments in the digital assets space. Its global crypto team possesses deep experience in both the scaling of new ventures and the restructuring of complex assets. Echo Base seeks to leverage operational and technical synergies across its portfolio companies to drive innovation. Est. 2025.

The Front-end Developer is responsible for leading the design and development of user-facing applications that support Echo Base’s global P2P marketplace. This role requires deep expertise in frontend technologies, experience managing small but high-performing teams, and a hands-on approach to development. You’ll work closely with product managers, backend developers, mobile teams, and blockchain engineers to deliver high-quality, scalable, and secure web solutions.

What will you do:

• Lead the development of web-based applications using React, Typescript, and related technologies.
• Collaborate with cross-functional teams to define, design, and deliver new features aligned with the product roadmap.
• Implement best practices for frontend development, including code reviews, testing, and performance optimization.
• Mentor and guide team members, fostering a collaborative and innovative environment.
• Ensure seamless integration with backend APIs and other services, maintaining high standards for user experience.
• Manage technical debt while prioritizing scalable architecture and maintainable code.
• Build and maintain reusable components, libraries, and patterns to accelerate development across teams.
• Debug and resolve complex technical issues, ensuring the stability and performance of Echo Base’s platform.
• Collaborate with QA and DevOps teams to streamline CI/CD pipelines and improve testing coverage.
• Work with UX/UI designers to deliver pixel-perfect interfaces that meet design requirements.

Who you are:

• A hands-on leader who thrives in fast-paced environments.
• An advocate for clean code, modular design, and performance optimization.
• A collaborative communicator who enjoys solving complex challenges with cross-functional teams.
• Passionate about cryptocurrency, fintech, and the power of peer-to-peer technology.

What we are looking for:

• 5+ years of frontend development experience, including team leadership.
• Proven experience with React, Typescript, JavaScript ES6+, and state management libraries (e.g., Redux, MobX).
• Experience with integration and development of RESTful APIs.
• Expertise in optimizing frontend performance and debugging complex web applications.
• Experience with Git and CI/CD pipelines.
• Knowledge of deployment strategies and tools like GitLab CI.
• Familiarity with modern testing frameworks (e.g., Jest, Cypress).
• A solid understanding of testing strategies for frontend code.

Recommended Skills:

• Experience with mobile-friendly web development and responsive design.
• Knowledge of Web3.js or similar libraries for blockchain integration.
• Familiarity with analytics and user behavior tracking tools.
• Experience working in fintech or cryptocurrency platforms.

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Who are we? FalconX is a pioneering team of operators, investors, and builders committed to revolutionizing institutional access to the crypto markets. Operating at the intersection of traditional finance and 
cutting-edge technology, FalconX addresses the industry's foremost challenges: Navigating the digital asset market can be complex and fragmented, with limited products and services that support trading strategies, structures, and liquidity found in conventional financial markets. As a comprehensive solution for all digital asset strategies from start to scale, FalconX operates as the connective tissue empowering clients with seamless navigation through the ever-
evolving cryptocurrency landscape. Senior Software Engineer (Platform) Job Summary: As a Software Engineer in Platform Engineering, you will play a crucial role in building internal tools and contributing to platform development. This hybrid role combines elements of DevOps, Application Security (AppSec), and Architecture to streamline the development process and improve efficiency. Key Responsibilities: Library and Module Development: - Design and develop abstract libraries and modules to streamline software development processes. - Create reusable images and scaffolding tools to support microservice applications, allowing developers to focus on configuration rather than infrastructure setup. Performance and Efficiency Improvement: - Analyze existing software components to identify areas for performance enhancement using tools like [specify tools if applicable]. - Implement optimizations to improve the efficiency and scalability of software systems. Internal Tooling and Automation: - Develop internal tools that allow developers to deploy environments with simple commands. - Abstract out reusable components from the codebase, making them part of the platform for developers to use as needed. - Standardize common libraries such as logging, observability (tracing), and profiling. - Ensure seamless integration with CI/CD pipelines using tools like Jenkins and GitHub Actions. Module Maintenance and Support: - Maintain and update libraries and modules to meet evolving business needs. - Provide support and documentation for other teams to effectively utilize these resources. Testing and Quality Assurance: - Write comprehensive test cases to ensure the reliability and quality of developed libraries. - Collaborate with QA teams to implement automated testing strategies using frameworks like [specify frameworks if applicable]. Collaboration and Communication: - Work closely with Principal Engineers, architects, and cross-functional teams to understand their requirements and provide tailored solutions. - Gather feedback from developers to continuously improve the "developer experience." Continuous Learning and Improvement: - Stay updated with the latest trends and advancements in software engineering and platform technologies. - Propose and implement innovative solutions to enhance platform capabilities. Qualifications: - Bachelor's degree in Computer Science, Software Engineering, or a related field. - Proven experience as a Software Engineer with a focus on platform engineering. - Strong proficiency in Python, Go, and JavaScript programming languages. - Experience in developing and maintaining software libraries and modules. - Excellent problem-solving skills and attention to detail. - Ability to write clean, maintainable, and well-documented code. - Proficient in writing and executing test cases. Preferred Qualifications: - Experience with version control systems like Git. - Familiarity with CI/CD pipelines and DevOps practices. - Knowledge of containerization technologies such as Docker and Kubernetes. - Experience in working with cloud platforms (e.g., AWS, Google Cloud, Azure). - Understanding of Linux systems. Notice at Collection and Privacy Policy Applicants located in California and/or applying to a role based in California, please refer to our Notice at Collection and Privacy Policy here.   Inclusivity Statement FalconX is committed to building a diverse, inclusive, equitable, and safe workspace for all people. Our roles are intended for people from all walks of life. We encourage all those interested in applying to our organization to submit an application regardless if you are missing some of the listed background requirements, skills, or experiences! As part of our commitment to inclusivity, FalconX would like to acknowledge that the EEOC survey has limited potential responses that you can select. For legal reasons, FalconX must use this language to align with federal requirements, however, we want to ensure that you are able to provide a response to our own voluntary survey questions about your identity that best aligns with your most true self. FalconX is an equal opportunity employer and will not discriminate against an applicant or employee based on race, color, religion, national origin, ancestry, ethnicity, sex (including gender, pregnancy, sexual orientation, and gender identity), age, physical or mental disability, veteran or military status, genetic information, citizenship, or any other legally-recognized protected basis under federal, state, or local law. Applicants with disabilities may be entitled to reasonable accommodation under the Americans with Disabilities Act and other applicable state or local laws. A reasonable accommodation is a change in the way things are normally done which will ensure an equal employment opportunity without imposing undue hardship on FalconX. Please inform FalconX’s People team at email, if you need assistance with participating in the application process.

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We are developing a miniApp in Telegram for exchanging cryptocurrencies for fiat and vice versa. Our service ensures fast, convenient, and secure exchange with minimal fees.

We are currently looking for a Backend Developer (Spring Boot) to continue development and support the project.

What you'll be doing:

• Developing and maintaining the backend for the Telegram miniApp using Spring Boot.
• Integrating with TronGrid (receiving/sending USDT TRC-20).
• Developing and improving the admin panel (user management, orders, exchange rates).
• Creating REST API for the frontend (Vue.js) and integrating with the Telegram bot.
• Optimizing the PostgreSQL database, setting up caching in Redis.
• Implementing secure authentication (JWT, OAuth 2.0).
• Ensuring server stability and fault tolerance.

What we are looking for:

• At least 2 years of experience with Java + Spring Boot.
• Strong knowledge of REST API, PostgreSQL, Redis.
• Ability to work with Docker (basic level required).
• Understanding of authentication principles (JWT/OAuth 2.0).
• Experience integrating external APIs (e.g., payment gateways, crypto APIs).
• Knowledge of multithreading and transaction processing.
• Basic knowledge of RabbitMQ/Kafka (nice to have, but not required).
• Experience with fintech or crypto-related projects is a plus.

What we offer:

• Salary $2500-3000 per month.
• Remote, office, or hybrid work (Czech Republic).
• Flexible working hours (full/part-time, full-time preferred).
• Opportunities for growth in crypto-fintech.
• Long-term collaboration (with potential for salary increases based on performance).

How to apply?

Send your resume + code samples (GitHub, portfolio) to Telegram @xchangio_support or email email

Looking forward to working with you! 🚀

Apply Now:

About Oak Security

​​Do you want to help prevent cybersecurity attacks of the future? At Oak Security, we support some of the most innovative companies to secure their protocols. Our passionate team of 52 security engineers have performed over 600 audits since 2017.

Oak Security was one of the first companies to offer auditing and security consulting for third-generation blockchains and is the leading security service provider in Rust and Go-based ecosystems, such as Cosmos SDK and CosmWasm, Polkadot and Substrate, Solana, NEAR, and Flow (Cadence). We also serve Ethereum and EVM-compatible ecosystems through our brand Solidified.

We are growing our pool of security engineers for blockchain and smart contract security audits. Get a chance to work in the most exciting and fastest-growing ecosystems in the blockchain space and help secure the decentralized future!

What we offer:

• Escape the 9 to 5 lifestyle: We offer the most flexible remote working conditions imaginable, in a friendly team environment
• Top of the industry compensation
• Competitive incentive and referral programs
• A growing base of exciting clients at the forefront of the top blockchain ecosystems

What you can work on:

• High-level security consulting/architecture reviews
• Smart contract audits (Solidity, CosmWasm, ink!, Cadence, Cairo)
• Layer 1 audits (Cosmos SDK, Substrate/Polkadot, consensus level)
• Bridge audits (custodial, light-client-based, zk-based)
• Code reviews in various programming languages (Go, Rust, Solidity, Cadence, Cairo, JavaScript, TypeScript)

What we expect from you:

• 2+ years of Rust/Go experience or 4+ years of Solidity experience with a passion for finding issues in code and an outstanding detail orientation
• Knowledge of cryptographic protocols and understanding of cybersecurity
• Deep interest in blockchain technology and decentralization
• Experience in decentralized finance and economic modeling is a plus

Apply Now:

The Institutional Product Group engineers create and maintain a suite of products catering to institutional customers of all sizes from Hedge Funds (Coinbase Prime) to experienced individual traders (Coinbase Advanced Trade) and everything in between. Additional Products include Prime - Custody Only, Prime Web3 Wallet, Commerce and Exchange. Whether the customer needs are trading, staking, governance, custody, web3 operations, or API integrations, Coinbase Institutional has them covered.

At Coinbase, we believe that "onchain" is the new "online" – marking the next evolution in how global business is conducted and value is created. Our Institutional Product Group is a trailblazer in this space, empowering a diverse range of sophisticated clients—from hedge funds to professional traders—with state-of-the-art onchain products and services.

We’re seeking a Senior Full-Stack Engineer to join our small entrepreneurial team focused on building innovative 0-to-1 Onchain Markets products. Operating as a startup within Coinbase, we're combining the agility of a small team with the resources and reach of a global platform. In this role, you’ll contribute to building cutting-edge solutions that span trading, financing, and more, helping to redefine market infrastructure for the institutional world in this new global onchain economy.

What you’ll be doing (ie. job duties): To be completed by all business teams except Eng.

• Drive 0-to-1 product development for new Onchain Markets offerings
• Develop and maintain highly interactive, responsive, and user friendly frontend applications for onchain products
• Design, develop, and optimize smart contracts using Solidity to enable new onchain products and features
• Build and integrate backend systems to power the onchain data needs of Onchain Markets products
• Rapidly prototype new onchain experiences to gain early feedback
• Troubleshoot and debug complex fullstack issues, ensuring performance, stability, reliability, and security.

What we look for in you (ie. job requirements): To be completed by all business teams except Eng.

• 5+ years of full-stack engineering experience shipping production features, including onchain products
• Expert in modern JavaScript/TypeScript, React, and Next.js
• Strong Solidity skills with experience deploying production smart contracts
• Track record building secure, high-performance web applications
• Deep understanding of blockchain fundamentals and DeFi protocols
• Experience with backend development and API design
• Proven ability to balance technical excellence with pragmatic delivery
• Strong collaboration skills with product, design, and engineering teams

Nice to haves:

• Experience building or scaling DeFi protocols
• Contributions to open-source blockchain projects
• Background in trading systems or financial exchanges
• Experience with Golang and cloud infrastructure (AWS)
• Understanding of institutional trading workflows
• Track record in high-growth crypto or fintech environments

Job #: GIFE05US

*Answers to crypto-related questions may be used to evaluate your onchain experience

Apply Now:

Job Description

We are looking for an experienced Smart Contract Auditor / On-Chain Engineer to join our fast-growing team. As a member of our team, you will be responsible for auditing and securing smart contracts, modeling edge cases and hack scenarios, as well as developing and maintaining on-chain infrastructure solutions. You will work closely with our blockchain developers and product teams to ensure the integrity and security of our smart contracts deployed across various decentralized platforms.

A key part of your role will be conducting in-depth research on emerging protocols and staying up to date with the latest trends, vulnerabilities, and innovations in the DeFi and blockchain space. This will help you ensure that our smart contracts are not only secure but also take full advantage of new, best-in-class protocol features.

Additionally, a solid understanding of on-chain execution, including optimizing transaction flows, is essential for this role. Experience with writing trading bots that interact with on-chain protocols or decentralized exchanges would also be highly beneficial.

If you are passionate about the intersection of blockchain technology, security, and innovative development, this role is for you.

Responsibilities:

• Research Emerging Protocols: Analyze new blockchain protocols, reviewing their documentation, audits, and smart contracts to identify risks and recommend improvements for integration.
• Code Review & Analysis: Review code for compliance with best practices, identifying potential security flaws, and ensuring that contracts function as intended.
• Smart Contract Auditing: Perform thorough security audits on smart contracts, identifying vulnerabilities, bugs, and optimization opportunities. Provide actionable recommendations to mitigate risks.
• Collaboration with Teams: Work closely with blockchain developers, product managers, and stakeholders to design and implement secure smart contract solutions.
• Troubleshooting and Technical Support: Provide support for ongoing issues or incidents related to smart contract vulnerabilities or failures.
• Documentation & Reporting: Maintain detailed reports and documentation on auditing processes, findings, and resolutions.

Requirements & Skills:

• 3+ years of experience in smart contract auditing and on-chain development.
• Strong proficiency in Solidity and in-depth understanding of Ethereum Virtual Machine (EVM) and gas optimization.
• Familiarity with decentralized finance (DeFi) protocols and platforms (e.g., Uniswap, Aave, Compound, Pendle).
• Deep knowledge of smart contract security best practices, including common vulnerabilities
• Knowledge of consensus mechanisms used in PoS systems (staking, restacking, slashing , etc …).
• Experience with on-chain execution, including transaction optimization, gas management, and effective interaction with DeFi protocols.
• Ability to provide clear technical documentation and communicate security findings to both technical and non-technical stakeholders.
• Fluent in English (wriYen and spoken), with the ability to communicate effectively in a distributed team.

Nice to Have:

• Experience with other blockchain platforms such as Solana, Cosmos, or
• Familiarity with formal verification techniques or static analysis tools for smart contract auditing.
• Experience writing and maintaining on-chain trading bots or algorithms that interact with decentralized exchanges or other on-chain assets.

We Offer:

• Competitive salary and performance-based bonuses.
• Remote-first environment with flexible working hours.
• A dynamic and fast-paced work environment where you can contribute directly to cutting-edge blockchain products.
• Opportunities for personal growth and skill development in the growing blockchain and DeFi space.
• A collaborative, innovative team of professionals passionate about blockchain, crypto, and DeFi.

Position: Full-time

Location: Flexible; availability during US trading hours is preferred.

About Edge Capital

Edge Capital is an innovative alternative hedge fund focused on digital assets, blockchain, and decentralized finance (DeFi) markets. We combine algo trading and macro strategies to identify untapped opportunities in these markets based on our multidisciplinary expertise in macro trading and analysis, portfolio, and risk management, combined with our extensive knowledge and experience in fintech, DeFi, and blockchain technologies.

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What are we all about? We are a team of builders and researchers on a mission to empower enterprises and developers worldwide to access and build on decentralized systems. Our expertise covers several domains: Ethereum and Starknet protocol engineering, layer-2, AI, cryptography research, protocol research, decentralized finance (DeFi), security auditing, formal verification, real-time monitoring, smart contract development, and dapps and enterprise engineering. Working to solve some of the most challenging problems in the blockchain space, we frequently collaborate with renowned companies, such as Ethereum Foundation, Starknet Foundation, Gnosis Chain, Flashbots, Forta Protocol, Lido, EigenLayer, Open Zeppelin, RISCZero, Aleph Zero, and many more. Today, we are a 350+ strong team working remotely across 66+ countries. View all our open positions here: https://www.nethermind.io/open-roles The Nethermind team is seeking a experience Software engineer with a background in confidential computing. We offer a unique opportunity to work on a variety of diverse projects where strong experience, knowledge and understanding of secure computing platforms is a must. The candidate will be working cross-functionally across the company partnering with our product teams to implement solutions in secure environments in a broad array of applications of use cases from AI through to Finance. The role requires a balance of technical expertise, research mindset, as well as practical engineering skills to take innovative ideas into production. How to Know If You're the Right Fit If you're driven by complex challenges and excited by the prospect of working with cutting-edge technologies, this role is for you. We're looking for individuals who are not just engineers but innovators—those who are eager to collaborate with the best minds in the industry and make a significant impact on the future of technology. Why This Role Is Exciting

Work with the Best: Collaborate with some of the brightest engineers and researchers in the industry. Innovative Challenges: Tackle projects that require deep algorithmic thinking and advanced design. Impactful Work: Contribute directly to the development of technologies that push the boundaries of what's possible. Collaborative Environment: Partner with leading developers and researchers shaping the future of decentralized technologies.

Responsibilities:

Collaborating with engineers across the company on all stages of projects, through design, implementation and testing. Partnering with teams across the company from Product through to Engineering to apply your skills to solutions integrating confidential computing. Contribute to product documentation. Maintain, test and release new and existing confidential compute infrastructure.

Skills:

Experienced shipping new products all the way through the product stack. Proficiency with developing in C++. Experience with Rust or JavaScript. Knowledge of Trusted Execution Environments (e.g. SGX, TDX, TrustZone, NVIDIA Confidential Compute). Familiarity with web protocols (HTTP, QUIC). Understanding of the CI/CD developer pipeline and tools (Github, VSCode, Linux).

Nice to have:

Understanding of distributed consensus algorithms and cryptography concepts (e.g. Zero-Knowledge). You can think independently, with drive and initiative, even when challenged and under pressure. You can communicate complex concepts and ideas to a broad array of audiences. You have a strong interest in distributed systems, privacy technologies, blockchains and cryptocurrencies. Disclaimer: I hereby consent to my personal information being stored and processed by Demerzel Solutions Limited (t/a Nethermind) (the “Company”) for recruitment purposes in relation to both the selected job role and any other role the Company considers me a qualified candidate for. All data storing and processing by the Company takes place in accordance with the UK GDPR. Kindly refer to our privacy policy for more details. Your consent to share personal information is entirely voluntary, and you may withdraw your consent at any time. Should you have any questions about this process, or wish to withdraw your consent please contact: email Keep up to date on what we are working on by following us on our social channels       Click here to view our Privacy Policy.

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Who are we? FalconX is a pioneering team of operators, investors, and builders committed to revolutionizing institutional access to the crypto markets. Operating at the intersection of traditional finance and 
cutting-edge technology, FalconX addresses the industry's foremost challenges: Navigating the digital asset market can be complex and fragmented, with limited products and services that support trading strategies, structures, and liquidity found in conventional financial markets. As a comprehensive solution for all digital asset strategies from start to scale, FalconX operates as the connective tissue empowering clients with seamless navigation through the ever-
evolving cryptocurrency landscape.FalconX is building the world’s smartest institutional brokerage for digital assets  FalconX is one of the fastest growing startups in FinTech. We are a digital asset brokerage delivering best-in-class pricing and execution capabilities for institutional traders and investors. Our vision is to grow the digital asset ecosystem 1000X with industry-leading prime brokerage solutions.  We are data-driven.  Whether it's a growth or product decision, we believe data can always help us make more precise and informed choices.  We move fast.  Speed of execution is essential for any startup, but we believe this is even more pertinent in our nascent industry.  We value diversity and debate.  We believe the direction of our company is shaped by opposing viewpoints and experiences, and that this diversity helps us learn and maximize our opportunity for success.  FalconX is headquartered in Silicon Valley and has offices in Bangalore and Chicago. Who is on the team?  We are entrepreneurs. More than half of us have experience founding a company. We come from leading institutions including Google, LinkedIn, JUMP, Citadel, Goldman Sachs, Harvard Business School, Carnegie Mellon, IIT + more. We are backed by some of the best investors in the world including Accel Partners, Flybridge Capital, Lightspeed Venture Partners.  Impact  At FalconX, you’ll help make crypto assets a successful asset class. Some of the largest financial institutions from Wall Street to Silicon Valley and around the world will turn to you for the best market prices and insights on the crypto industry. You will become the expert on crypto industry trends and market movements. With your experience, you will shape our company’s trading strategies according to our core values - speed, transparency and trust.  Responsibilities 

Build scalable and high performant customer facing application  Work as a full stack engineer, delivering high quality code for both backend and frontend Own product features end to end  Analyse, design and develop test cases for new features Work collaboratively with engineering, business and operations team 

Requirements 

Interest in Blockchain and Decentralisation  At least 5+ years of full stack engineering experience in Python / Golang with React JS and Javascript / Typescript Work experience across the stack to build, test and ship new user facing products  Familiarity working on SQL databases Comfortable with working in linux environment and shell scripting Ability to move fast and deliver code  Tech stack would be https://stackshare.io/falconx/core 

Bonus Criteria 

Candidates with a strong computer science background. Bachelor's degree in computer science from IIT/NIT or equivalent institutes will be preferred  Experience working in an early stage startups  Willingness to move fast and deliver solutions Notice at Collection and Privacy Policy Applicants located in California and/or applying to a role based in California, please refer to our Notice at Collection and Privacy Policy here.   Inclusivity Statement FalconX is committed to building a diverse, inclusive, equitable, and safe workspace for all people. Our roles are intended for people from all walks of life. We encourage all those interested in applying to our organization to submit an application regardless if you are missing some of the listed background requirements, skills, or experiences! As part of our commitment to inclusivity, FalconX would like to acknowledge that the EEOC survey has limited potential responses that you can select. For legal reasons, FalconX must use this language to align with federal requirements, however, we want to ensure that you are able to provide a response to our own voluntary survey questions about your identity that best aligns with your most true self. FalconX is an equal opportunity employer and will not discriminate against an applicant or employee based on race, color, religion, national origin, ancestry, ethnicity, sex (including gender, pregnancy, sexual orientation, and gender identity), age, physical or mental disability, veteran or military status, genetic information, citizenship, or any other legally-recognized protected basis under federal, state, or local law. Applicants with disabilities may be entitled to reasonable accommodation under the Americans with Disabilities Act and other applicable state or local laws. A reasonable accommodation is a change in the way things are normally done which will ensure an equal employment opportunity without imposing undue hardship on FalconX. Please inform FalconX’s People team at email, if you need assistance with participating in the application process.

Apply Now:

Who are we? FalconX is a pioneering team of operators, investors, and builders committed to revolutionizing institutional access to the crypto markets. Operating at the intersection of traditional finance and 
cutting-edge technology, FalconX addresses the industry's foremost challenges: Navigating the digital asset market can be complex and fragmented, with limited products and services that support trading strategies, structures, and liquidity found in conventional financial markets. As a comprehensive solution for all digital asset strategies from start to scale, FalconX operates as the connective tissue empowering clients with seamless navigation through the ever-
evolving cryptocurrency landscape.Senior Software Engineer, Blockchain Full-time | Engineering San Mateo, CA Who are we? FalconX is one of the fastest-growing startups in FinTech. We are redefining prime brokerage from the ground up. We are backed by some of the best investors in the world including American Express, Fidelity, Coinbase, Lightspeed Venture Partners, Accel Partners, Fenbushi Capital, BCapital, Tiger Global + more. We deliver institutional digital asset traders best-in-class trading, credit, custody and structured products. We trade, lend and secure tens of billions of dollars monthly, are highly profitable, and growing fast, so we need your help!   We are data-driven. Whether it's a growth or product decision, we believe data can always help us make more precise and informed choices. We move fast. Speed of execution is essential for any startup, but we believe this is even more pertinent in our 24/7 industry. We prioritize learning. Outcomes are mission-critical, but we also believe that learning in success and in failure will drive our continued success. Our industry is emergent - there’s no shortage of experiments to get involved with and to continue growing and learning together.   Who is on the team? We are entrepreneurs. Many in our company have been founders or have aspirations to eventually start their own company. We take these ambitions and experiences to bring a solutions-oriented mindset to the problems we encounter day-to-day.   We are experienced. We have been fortunate to have learned from mentors and peers at institutions such as Google, LinkedIn, JUMP Trading, Citadel, PEAK6 Investments, Goldman Sachs, Harvard Business School, Carnegie Mellon, IIT + more.   Impact At FalconX, you’ll help create a more open financial system. In building trading, credit and custody infrastructure, we are enabling thousands more institutions to enter the market and support a more open and accessible financial system. The world’s largest financial institutions from Wall Street to Silicon Valley will turn to you for products that provide unparalleled seamless, efficient and secure access to the cryptocurrency sector. FalconX is hiring a Software Engineer focused on Blockchain to help introduce a new, in-demand product line for the company that integrates seamlessly with our proprietary, best-in-class Prime Brokerage platform. You will be instrumental in the implementation of critical blockchain infrastructure supporting all major chains and protocols. This implementation must be designed for ease of integration into the broader technology stack and demonstrate ease-of-use, operational efficiency, security, and stability. We are looking for an experienced Software Engineer with a strong understanding of blockchain, cryptocurrencies, wallets, and platforms to build upon our vision of an open financial system.   Responsibilities:

Drive architectural design and implementation of the Web3 stack, across all major chains and protocols Scale and operate robust services to enable customers to interact with various Blockchains including Bitcoin, Ethereum, and others Drive innovation by safely adopting and testing new technologies and products in the blockchain space Strive for generalization across blockchains instead of specialization Integrate Blockchain data and primitives into the rest of the Platform stack through repeatable and generalizable interfaces Take ownership of technical aspects and ensure technology is designed and built around our customers’ needs Collaborate closely with Engineering and Product leadership to plan, estimate, prioritize, and productize new products and features Build and deliver against an aggressive product roadmap supporting strategic business initiatives Rapidly iterate to add support for emerging blockchain features and functionality while ensuring high availability and scalability Provide ongoing maintenance of the technology stack as it matures, ensuring production-quality reliability, impeccable performance, and ease of use Ability to understand, triage, and address customer-facing and internal-facing technical issues quickly and effectively Provide subject matter expertise on the Blockchain ecosystem and our own in-house blockchain integrations

  Preferred Qualifications:  

Proven technical leader in Blockchain technologies with significant experience working with various Blockchain protocols and structures You have experience shipping and maintaining multiple projects with a large user base, supporting each through multiple years of iteration and growth You have expertise writing production code in Java, TypeScript, Go, Rust, Python, or equivalent You have a strong understanding different consensus protocols Strong working knowledge of modern software development methodologies and software design patterns Experience building robust backend services and leveraging orchestration systems such as Kubernetes to deploy them at scale A self-starter eager to explore, iterate, and contribute to decision-making Experience working with existing Blockchain-as-a-service stacks is a plus Familiarity with cryptographic signing algorithms, asymmetric cryptography, and key management is a plus

Base pay for this role is expected to be between $179,000 - $242,000 USD for New York City and San Francisco Bay Area. This expected base pay range is based on information at the time this post was generated. This role will also be eligible for other forms of compensation such as a performance linked bonus, equity, and a competitive benefits package. Actual compensation for a successful candidate will be determined based on a number of factors such as location, skillset, experience, and qualifications.Notice at Collection and Privacy Policy Applicants located in California and/or applying to a role based in California, please refer to our Notice at Collection and Privacy Policy here.   Inclusivity Statement FalconX is committed to building a diverse, inclusive, equitable, and safe workspace for all people. Our roles are intended for people from all walks of life. We encourage all those interested in applying to our organization to submit an application regardless if you are missing some of the listed background requirements, skills, or experiences! As part of our commitment to inclusivity, FalconX would like to acknowledge that the EEOC survey has limited potential responses that you can select. For legal reasons, FalconX must use this language to align with federal requirements, however, we want to ensure that you are able to provide a response to our own voluntary survey questions about your identity that best aligns with your most true self. FalconX is an equal opportunity employer and will not discriminate against an applicant or employee based on race, color, religion, national origin, ancestry, ethnicity, sex (including gender, pregnancy, sexual orientation, and gender identity), age, physical or mental disability, veteran or military status, genetic information, citizenship, or any other legally-recognized protected basis under federal, state, or local law. Applicants with disabilities may be entitled to reasonable accommodation under the Americans with Disabilities Act and other applicable state or local laws. A reasonable accommodation is a change in the way things are normally done which will ensure an equal employment opportunity without imposing undue hardship on FalconX. Please inform FalconX’s People team at email, if you need assistance with participating in the application process.

Apply Now:

Are you looking to be part of an early-stage venture and have proven experience in web3 content creation?

Location: Remote. Your team is based in Europe, India, and Canada.

Working Language: English

About the project

The #1 Crypto rewards platform where daily rewards meet smart investing.

Klink is a leading crypto wealth creation platform that innovatively combines quest-based task rewards with strategic investing opportunities on its multi-service platform. Klink provides a unique opportunity for its users to earn cryptocurrencies starting from $0 of personal investment and has already partnered with some of the leading companies in web3.

The company is backed by top-tier VCs in the US & Asia.

Tasks

We are now looking for an ambitious Fullstack Engineer to join the team. You will be joining a team of 20 (12 with technical background) with a live product with over 400,000 users already. As you work on building an innovative solution competing with products on a global scale, you will always be up to date on all the latest technologies and best practices, especially regarding the web3 space.

You will:

• Collaborate on the development of highly scalable Node.js products hosted on cloud-based infrastructure, facilitating access to DeFi opportunities for CeFi users.
• Construct and maintain internal and external RESTful APIs, ensuring swift and seamless updates to our products.
• Develop diverse platforms, optimizing for high throughput and faultlessness in execution.
• Integrate external providers from the FinTech and Blockchain industry to enhance our product offerings.
• Engage in regular communication with the technical lead and the entire team to discuss solutions and innovations.
• Actively participate in code reviews to uphold code quality, maintainability, and adherence to best practices.

Requirements

We do not focus on the time you have spent sitting in the lecture halls of this world but we want to understand what makes you feel comfortable, extraordinarily motivated and suitable to take over this position. We are looking for a team member who feels comfortable working remotely and in English in an international environment with a self-driven “Get stuff done” mindset.

• Experience in serverless architecture and microservices.
• Proven understanding of Blockchain and Web3 solutions.
• Proficiency in Javascript frameworks, with a focus on Typescript (Nest.js, Next.js, Node.js).
• Strong MVP-focused coding skills in any modern programming language.
• Solid understanding of cloud solutions, specifically Amazon Web Services (AWS).
• Good knowledge of data structures, algorithms, and relational databases.
• Familiarity with security best practices in cloud environments.
• Full-stack development experience with a strong proficiency in React.js, Next.js, and NestJS. Expertise in building dynamic, scalable, and high-performance web applications, ensuring seamless integration between front-end and back-end technologies for optimized user experiences and efficient server-side rendering.

Benefits

• Join at an early stage and be involved in decisions that shape the company’s future and the opportunity to build your own success story
• You will have a lot of autonomy and freedom in your role to innovate, test and fail
• Take a trip with an international team of highly skilled individuals who will always support you on this journey

If you want to know more about this opportunity please complete this application with your most recent work profile and we will get back to you ASAP.

We are excited to meet you!

Apply Now:

Join Axelar’s Developer Experience team, a team dedicated to enhancing the experience of developers building on Axelar. As a Full Stack Engineer, you’ll play a pivotal role in the redesign of the ITS Portal, ensuring it scales seamlessly for cross-chain integrations. This fully remote role offers the opportunity to collaborate globally in a fast-paced, startup environment.

Your Responsibilities

• Redesign the code structure of the ITS Portal to support cross-chain integrations, optimizing for scalability and maintainability.
• Collaborate with cross-functional engineering teams to ensure seamless integration with Axelar’s blockchain infrastructure.
• Implement and enhance UX/UI to create intuitive and user-friendly developer tools.
• Write clean, efficient, and well-documented code for both frontend and backend systems.
• Perform contract calls and integrate Solidity smart contracts into the ITS Portal.
• Debug, troubleshoot, and maintain existing code to ensure reliability and performance.
• Stay updated with the latest Web3 technologies and trends, applying them to enhance Axelar’s developer tools.

Your Profile

• 3-5 years of experience as a Full Stack Engineer within Web3.
• Experience and familiarity with DeFi products.
• Proficiency in modern JavaScript frameworks (e.g., React, Next.js, Node.js) and backend technologies.
• Strong understanding of UX/UI principles, with the ability to deliver polished, user-centric interfaces.
• Proven experience in fast-paced, startup environments, with the ability to adapt and deliver.
• Excellent problem-solving skills, strong collaboration abilities, and a proactive, ownership-driven mindset.

Why us?

• Autonomous, distributed environment with the opportunity to work collaboratively in a diverse team worldwide.
• The scope to contribute to high-impact work and make a difference in a decentralized protocol.
• The chance to challenge yourself while learning heaps of stuff in the process.
• Unlimited time off throughout the year to rest and recharge.
• Competitive compensation with stock options, experiencing growth from the initial phase.

About us

Interop Labs builds interoperability technology.

Interoperability between blockchains is crucial technology infrastructure for the growth of Web3 and the advancement of internet technology as a whole. Interop Labs is the initial developer of Axelar Network - the programmable Web3 interoperability platform, scaling the next generation of internet applications to billions of users. Axelar network’s key attributes are programmability, security and scalability.

Axelar has raised over $100 million from leading VCs including DCVC, Galaxy, Polychain, Dragonfly, Coinbase, and more. Its diverse partner ecosystem spans industry heavyweights such as Ripple, Circle, dYdX, Uniswap, JPMorgan, Deutsche Bank, Microsoft, and others—underscoring Axelar’s unique market position and opportunity in unifying stacks between traditional finance and decentralized ecosystems. Axelar protocol was founded by Sergey Gorbunov (MIT PhD, UWaterloo Professor) and Georgios Vlachos (MIT MSc, Math Gold Medalist), who previously helped to build and launch Algorand.

Axelar is seeking a Developer Relations Specialist to join our Developer Experience team. In this role, you’ll provide technical support to developers building on Axelar, assist in creating technical documentation, and contribute code to our projects. This fully remote position offers a unique opportunity to engage with the global developer community and enhance their experience in the Web3 space.

Your responsibilities

• Serve as a primary technical point of contact for developers, providing support and troubleshooting assistance.
• Contribute to Axelar’s codebase, improving tools and resources for developers.
• Create and maintain comprehensive technical documentation, tutorials, and guides to facilitate developer onboarding.
• Collaborate with the Developer Experience team to identify pain points and enhance Axelar’s developer tools and resources.
• Engage with the developer community through forums, events, and social platforms to gather feedback and foster strong relationships.
• Support the planning and delivery of developer-focused workshops, webinars, and events.

Your profile

• 3+ years of experience in a Developer Relations role within Web3.
• Experience and understanding of DeFi Products.
• Familiarity with Solidity and Javascript.
• Strong coding abilities, with a focus on contributing to production codebases.
• Excellent communication skills, with the ability to translate complex technical concepts into accessible content.
• Proven experience creating technical documentation and supporting developer onboarding.
• A collaborative, self-starter attitude with a passion for empowering developers and building communities.
• Knowledge of Axelar’s ecosystem and cross-chain interoperability is a plus.

Why us?

• Autonomous, distributed environment with the opportunity to work collaboratively in a diverse team worldwide.
• The scope to contribute to high-impact work and make a difference in a decentralized protocol.
• The chance to challenge yourself while learning heaps of stuff in the process.
• Unlimited time off throughout the year to rest and recharge.
• Competitive compensation with stock options, experiencing growth from the initial phase.

About us

Interop Labs builds interoperability technology.

Interoperability between blockchains is crucial technology infrastructure for the growth of Web3 and the advancement of internet technology as a whole. Interop Labs is the initial developer of Axelar Network - the programmable Web3 interoperability platform, scaling the next generation of internet applications to billions of users. Axelar network’s key attributes are programmability, security and scalability.

Axelar has raised over $100 million from leading VCs including DCVC, Galaxy, Polychain, Dragonfly, Coinbase, and more. Its diverse partner ecosystem spans industry heavyweights such as Ripple, Circle, dYdX, Uniswap, JPMorgan, Deutsche Bank, Microsoft, and others—underscoring Axelar’s unique market position and opportunity in unifying stacks between traditional finance and decentralized ecosystems. Axelar protocol was founded by Sergey Gorbunov (MIT PhD, UWaterloo Professor) and Georgios Vlachos (MIT MSc, Math Gold Medalist), who previously helped to build and launch Algorand.

• Job Title: Web3 Front-End Developer
• Organization: Kromatika DAO
• Location: Fully Remote

About Us

Kromatika DAO is at the forefront of decentralized finance (DeFi), building innovative and cutting-edge tools for the blockchain ecosystem. Our flagship product, a MetaDEX, revolutionizes trading with features like Aggregated Swaps, Gasless Swaps, Fee-Earning Limit Orders, and Perpetual Trading across multiple chains, including Ethereum, Arbitrum, Polygon, Optimism, and Base.

We are looking for an ambitious and highly skilled Web3 Front-End Developer who is passionate about front-end development and committed to the principles of decentralization. If you thrive in fast-paced, collaborative environments and want to shape the future of DeFi, we’d love to hear from you.

Direct applicants only. We are not engaging with recruiters, headhunters, or agencies for this role.

What You’ll Do

• Front-End Development: Architect, refine, and maintain the UI of our multichain DEX, ensuring a seamless, intuitive, and visually polished user experience.
• User Experience: Design and optimize user interface workflows for advanced DeFi features, including aggregated swaps, limit orders, and gasless transactions.
• Performance & Optimization: Enhance front-end performance, ensuring smooth, responsive interactions across different devices and networks.
• Web3 Integration: Implement and interact with smart contracts using tools like Web3.js and Ethers.js.
• Collaboration: Work closely with senior developers, and blockchain engineers to deliver cutting-edge DeFi solutions.

Required Skills & Qualifications

✅ Technical Skills:

• Front-End Development: 1–4 years of experience in front-end development.
• Languages & Frameworks: Proficiency in TypeScript, React, and CSS.
• Web3 Libraries: Basic understanding of Ethers.js, Web3.js, or similar blockchain tools.
• Git & Version Control: Comfortable with Git-based workflows.
• Blockchain Concepts: Familiarity with wallets, transactions, DEX trading, smart contracts, gas fees and etc.
• UI/UX Awareness: Strong eye for aesthetics, usability, and responsive design.

✅ Soft Skills:

• Self-Motivated: Ability to work independently and take ownership of projects.
• Fast Learner: Quick to adapt to new tools, frameworks, and technologies.
• Strong Communication: Ability to collaborate effectively in a remote and distributed team.
• Attention to Detail: Commitment to writing clean, efficient, and maintainable code.

Nice to Have (Optional):

• ✨ Backend Knowledge: Some exposure to Node.js or Solidity for smart contract development.
• ✨ Extended Blockchain Expertise: Deeper understanding of DeFi protocols, tokenomics, and crypto ecosystems.
• ✨ Advanced Uniswap User: Deeper understanding of Uniswap v3 - Concentrated Liquidity, Univ2 and UniV4.

Why Join Kromatika DAO?

• Work at the cutting edge of DeFi innovation in a rapidly evolving ecosystem.
• Be part of a fully decentralized, remote-first organization.
• Collaborate with a team of top-tier blockchain developers.
• Make a meaningful impact on the future of decentralized trading.
• Fully flexible work schedule – Set your own hours and work at your peak productivity.
• Earn incentives in crypto, with bi-weekly payments to ensure financial flexibility.
• An exclusive gateway to immersive, firsthand expertise in the world of DeFi.

Ready to build the next generation of DeFi? Apply now!

What are we all about?

We are a team of builders and researchers on a mission to empower enterprises and developers worldwide to access and build on decentralized systems.

Our expertise covers several domains: Ethereum and Starknet protocol engineering, layer-2, AI, cryptography research, protocol research, decentralized finance (DeFi), security auditing, formal verification, real-time monitoring, smart contract development, and dapps and enterprise engineering.

Working to solve some of the most challenging problems in the blockchain space, we frequently collaborate with renowned companies, such as Ethereum Foundation, Starknet Foundation, Gnosis Chain, Flashbots, Forta Protocol, Lido, EigenLayer, Open Zeppelin, RISCZero, Aleph Zero, and many more.

Today, we are a 350+ strong team working remotely across 66+ countries.

About

Starknet is the fastest-growing network in terms of new developers joining the network. Nethermind builds many developer-facing tools that need to work seamlessly in this fast-paced blockchain. This ecosystem needs contributors with a quality mindset, capable of applying their craftsmanship and systematic creativity to improve its components. Your software engineering experience and ability to rally developers around you could mean the difference between a flawless network upgrade and a community forking event. Do you have what it takes?

As a Blockchain Data Engineer, you will be responsible for extracting on-chain data from various PoS networks. You will be the reference within the company to provide reliable data necessary to perform multiple analyzes and to produce reporting and invoicing.

Responsibilities:

• Run a scalable, efficient blockchain indexed data platform
• Extract, Transform and Load data from blockchain RPCs
• Assist with data analysis queries
• Design database schema that is performant, scalable, and maintainable
• Interact with the product teams to provide data and build the applications they are requesting
• Interact with field experts and answer internal/external questions related to data extraction
• Build cloud infrastructure to support data engineering efforts.

You Have:

• Experience/strong interest in blockchain
• Proficient with Python and at least one of the following: JavaScript/TypeScript, Golang, or Rust.
• Strong understanding of distributed systems, Restful APIs and hands-on experience with JSON-RPC endpoints
• Experience with writing infrastructure as code for cloud deployments and microservices for task automation.
• Proven success in communicating with users, other technical teams, and senior management to collect requirements, and describe data modeling decisions and data engineering strategies
• Comfort with writing & optimizing SQL queries

Nice to have:

• Experience working with data-pipeline engines (Airflow, Dagster)
• Experience working with big data query engines (Apache Spark, Trino, Presto)
• Experience building reliable infrastructure on the Cloud (AWS, preferred, GCP, Azure) or willing to do so.
• Experience in fault-tolerant infrastructure & real-time system monitoring
• A genuine interest in the functioning of the networks you are working with
• General knowledge of how PoS consensus mechanisms work
• Experience with Terraform or infrastructure as a code

Perks and benefits:

• Fully remote
• Flexible working hours
• Plus equity

Keep up to date on what we are working on by following us on our social channels:

• Discord
• LinkedIn
• Twitter

What are we all about?

We are a team of builders and researchers on a mission to empower enterprises and developers worldwide to access and build on decentralized systems.

Our expertise covers several domains: Ethereum and Starknet protocol engineering, layer-2, AI, cryptography research, protocol research, decentralized finance (DeFi), security auditing, formal verification, real-time monitoring, smart contract development, and dapps and enterprise engineering.

Working to solve some of the most challenging problems in the blockchain space, we frequently collaborate with renowned companies, such as Ethereum Foundation, Starknet Foundation, Gnosis Chain, Flashbots, Forta Protocol, Lido, EigenLayer, Open Zeppelin, RISCZero, Aleph Zero, and many more.

Today, we are a 350+ strong team working remotely across 66+ countries.

*How to Know If You’re the Right Fit

If you live for deep, mind-bending problems and take pride in building both slick frontends and rock-solid backends, keep reading. We’re looking for engineers who don’t just code—they innovate. Those who own their projects from end to end and constantly push for better performance, better architectures, better everything.

Why This Role Is Exciting

• Work with A-Players: Our engineering and research teams are some of the best in the space—prepare to level up by collaborating with them daily.
• Big Impact, Big Ownership: You’ll architect, build, and deploy systems that could redefine how people experience blockchain products.
• Cutting-Edge Tech: You won’t be stuck with legacy systems—expect a steady flow of new protocols, frameworks, and (optional) AI integrations to keep things fresh.
• Collaborative Culture: We take our work seriously—but we also believe in having fun, sharing memes, and celebrating each other’s wins.

What You’ll Be Doing

1. Fullstack Wizardry

• Frontend Mastery: Craft high-performance, modern React (or similar) applications that delight users and scale smoothly.
• Backend Engineering: Design APIs (REST or GraphQL), optimize database interactions (SQL/NoSQL) and build robust cloud-native services.

2. Deep System & Algorithmic Design

• Architect for Scale: Sketch out microservices, data pipelines, and other high-availability solutions that can grow with our user base.
• Optimize & Refine: Spot performance bottlenecks and kill them before they kill us.

3. Leadership & Collaboration

• Code Reviews & Mentorship: Uphold high standards by giving and receiving thoughtful, constructive feedback.
• Cross-Functional Input: Work closely with product, design, and DevOps to ensure seamless rollouts and robust production systems.
• Innovation at the Core: Research emerging tech—especially blockchain protocols and AI—and propose how we can wield them.

4. Continuous Improvement

• Experiment & Iterate: Pilot new tools, frameworks, or processes. If it makes us better, let’s do it.
• Own It End-to-End: From the first line of code to the final deploy, you’re responsible for delivering secure, stable, and high-quality solutions.

What We’re Looking For

1. Proven Experience

• Multiple Years in professional software development. You’ve tackled complex, large-scale projects and thrived.
• Fullstack Expertise: From writing impeccable React components to designing backends in Node.js, GO, Rust or Python.

2. Technical Chops

• System Design & Architecture: You know how to build services that won’t break under pressure—microservices, caching strategies, database sharding, you name it.
• Performance Focus: Terms like “high throughput” and “low latency” aren’t just buzzwords to you; they’re part of your daily vocabulary.
• Best Practices: You never skip tests, you don’t do “quick hacks,” and you treat CI/CD pipelines like your best friend.

3. Mindset & Soft Skills

• Ownership & Drive: You see problems and can’t help but fix them.
• Team Player: You communicate clearly, listen actively, and love a good brainstorming session.
• Always Growing: You stay up-to-date with tech trends and are curious about areas like blockchain, AI or Quantum computing.

Bonus Points For

• Blockchain Know-How: Familiarity with smart contracts, DeFi protocols, or web3 libraries.
• AI Curiosity: Even if it’s just side projects or tinkering with AI agents, we love that forward-thinking spirit.
• Small Team Leadership: If you’ve led a tight-knit group of devs, share those stories!

What’s in It for You

• Serious Impact: Your code and ideas will shape next-gen decentralized solutions used by an ever-growing community.
• Learning on Steroids: Our projects span everything from cutting-edge blockchains to AI enhancements—there’s always something new to dive into.
• Flexible & Remote: We trust you to do your best work from wherever you are, on your own schedule.
• Top-Notch Compensation: We offer a competitive salary + potential for equity—because top talent deserves top rewards.

Ready to Raise the Bar?

We’re not after a flood of CVs. We want the CV—one that demonstrates a passion for solving tough problems, building epic fullstack solutions, and pushing boundaries. If you’re that person, we can’t wait to talk.

Keep up to date on what we are working on by following us on our social channels:

• Discord
• LinkedIn
• Twitter

SORAMITSU is the developer of and major contributor to the open-source blockchain platform Hyperledger Iroha, which is tailored for enterprise and public-sector use. Hyperledger Iroha, a project of Hyperledger Foundation, part of the Linux Foundation, has a permissions system that is scalable and performant.

Utilizing blockchain, SORAMITSU has developed a digital currency for the National Bank of Cambodia, a CBDC Proof-of-Concept with the Bank of the Lao PDR, a closed-loop payment system for the University of Aizu in Japan, an identity verification system prototype for Bank Central Asia in Indonesia, we were finalists in the Monetary Authority of Singapore CBDC Challenge, and are currently participating in Asia-Pacific's first proof-of-concept test of a cross-border, multi-currency security settlement system using distributed ledger technology with the Asian Development Bank. We have also conducted proof-of-concept tests for several major Japanese enterprises, and are active contributors to open source projects, such as Klaytn, South Korea's leading Layer-1 blockchain, KAGOME, the C++ Polkadot Host implementation, the SORA crypto-economic system, the Polkaswap DEX, and the DeFi wallet, Fearless Wallet

Based on these experiences, SORAMITSU aims to deploy cutting-edge technology on a global level in order to expedite financial inclusion and health, mitigate economic inefficiencies, and contribute to the fulfilment of the Sustainable Development Goals.

You can find out more by visiting our homepage at soramitsu.co.jp or check out our Twitter profile.

We are seeking a highly skilled blockchain developer with deep expertise in blockchain technologies and smart contract development, focusing on Solidity, Ethereum, and various Layer 1 and Layer 2 protocols. This role will involve designing, implementing, and optimizing secure and scalable blockchain solutions.

You will be responsible for:

• Develop, deploy, and maintain secure, efficient, and scalable smart contracts on Ethereum and other blockchain networks.
• Architect decentralized systems and define smart contract standards for new projects and features.
• Lead code reviews and provide mentorship to junior and mid-level developers.Optimize smart contract code for gas efficiency, performance, and security.
• Collaborate with cross-functional teams including frontend developers, product managers, and security experts.Identify and mitigate security risks within smart contracts.
• Stay up-to-date with the latest trends, tools, and best practices in Solidity and blockchain development.
• Perform rigorous testing and auditing of contracts, and ensure all code is secure and bug-free.

Requirements:

• 3+ years working specifically with Solidity and Ethereum-based development.
• Deep understanding of Ethereum's architecture, smart contracts, and related technologies.
• Proficient in Solidity, Web3.js, and Ethers.js.Experience with deploying and interacting with smart contracts on Ethereum, Binance Smart Chain, or other EVM-compatible blockchains.
• Familiarity with common design patterns (e.g., ERC-20, ERC-721, ERC-1155) and decentralized protocols.Expertise in smart contract security practices, including common vulnerabilities (e.g., reentrancy, overflow/underflow, front-running).
• Knowledge of decentralized finance (DeFi) protocols and their smart contract ecosystems.
• Experience with testing frameworks (e.g., Truffle, Hardhat, Foundry).
• Experience with CI/CD pipelines and blockchain-specific deployment strategies.
• Ability to communicate complex technical concepts effectively to both technical and non-technical stakeholders.
• Strong problem-solving, debugging, and optimization skills.
  Preferred:
• Experience in developing for Layer 2 networks or alternative blockchain protocols (e.g., Optimism, Arbitrum, Polygon).
• Familiarity with cross-chain technologies and bridging protocols.
• Experience with smart contract auditing tools like Slither, MythX, and others
• Experience with Polkadot ecosystem (Rust, Substrate)

General Skills:

• Programming Languages: Solidity, JavaScript, Python, with knowledge of Rust considered a plus.
• Blockchain Platforms: Ethereum, Binance Smart Chain, Polygon, Arbitrum, Optimism, etc.
• Frameworks & Libraries: Truffle, Hardhat, Foundry, Web3.js, Ethers.js.
• Security Best Practices: Smart contract auditing, vulnerability mitigation, best practices for gas optimization.
• Collaboration Tools: Git, GitHub/GitLab, JIRA, Slack, etc.
• Soft Skills: Strong communication in English, problem-solving, and analytical thinking.

Additional Requirements:

• Please include a link to your GitHub profile showcasing examples of your code or repositories where you’ve contributed.

What we offer:

• A relaxed remote-first (work from anywhere) work environment with flexible working hours
• A permanent, full-time role with a rapidly growing international team of professionals
• An educational budget to support your continued growth and development
• Opportunities to attend global meetups and conferences for learning and/or speaking engagements
• An opportunity to be a part of an award-winning team designing a better world through decentralized technologies

This is a remote position. Our distributed team is mostly spread across Europe and Asia. Team meetings are held generally during European working hours, and it is expected that you would adapt if necessary and be available accordingly.

If you have the required qualifications and are passionate about the Web3 industry, we encourage you to apply for this exciting opportunity.

SORAMITSU values diversity and is committed to providing equal opportunities for all applicants and employees. Our employment decisions, such as hiring, promotion, discipline, and termination, are based solely on an individual's qualifications, performance, and business needs. We do not discriminate against anyone on the basis of their race, color, religion, marital status, age, national origin, ancestry, physical or mental disability, medical condition, pregnancy, genetic information, gender, sexual orientation, gender identity or expression, veteran status, or any other protected status under federal, state, or local law.

Apply Now:

Our mission is to bring web3 to a billion people, by providing builders with the tools they need to build exceptional onchain products. Alchemy is the only complete developer platform that offers the powerful APIs, SDKs, and tools necessary to build and scale onchain apps and rollups. Our infrastructure powers 70% of the top web3 teams, 90%+ of web2 companies building in web3 and 100+ million end users. Our customers include top web3 brands like Polymarket, OpenSea, Circle, WorldCoin, as well as major global brands like Shopify and Adobe. The Alchemy team draws from decades of deep expertise in massively scalable infrastructure, AI, and blockchain from leadership roles at leading companies and universities like Google, Microsoft, Facebook, Stanford, and MIT. We're backed by the world's leading VCs and institutions, including: Lightspeed, Silver Lake, a16z, Coatue, Pantera, Addition, Stanford University, Coinbase, and Charles Schwab, among others. The Role Data Infrastructure at Alchemy is foundation on which all of our products are built on. As one of our early Data Engineers in the Internal Productivity team, you'll be working with one of the most sophisticated and high-throughput distributed systems in the blockchain industry. You'll focus on architecting and building new systems as well as improving existing ones for a platform that supports millions of users globally. What You'll Do:

Design and Implementation: Architect and develop data infrastructure solutions leveraging Snowflake’s capabilities to meet business needs. Data Integration: Manage and optimize data pipelines, ensuring seamless integration from diverse data sources. Performance Tuning:

Conduct performance optimization for Snowflake environments, including storage, compute, and query tuning.

Security and Compliance:

Implement best practices for data security, privacy, and governance in alignment with organizational policies and industry standards. Implement best practices to meet SLA requirements of Business Continuity and Disaster Recovery

Collaboration:

Partner with data analysts, scientists, and business stakeholders to understand requirements and deliver solutions and data insights that drive impact. Build production DAG workflows for batch data processing and storage

Monitoring and Maintenance:

Establish monitoring systems for reliability and proactively address issues to ensure system uptime and data in; Set up frameworks and tools to help team members create and debug pipelines by themselves

What We're Looking For:

BS degree in Computer Science or similar technical discipline, MS/PhD a plus. 6+ years experience in a software engineering discipline, with at least 4+ years experience in data engineering or data infrastructure Experience with Airflow, Temporal, or other workflow orchestration tools Experience in streaming data architectures using Kafka and Flink is a plus Experience with Snowflake / Spark / Trino or other query engines Experience with data modeling frameworks such as DBT and SQLMesh Experience working with Apache Iceberg or other data lake formats. Familiar with datalake ingestion patterns Prior experience with data streaming / CDC a plus. Experience with infrastructure as code (Terraform / Pulumi) a plus Self-starter attitude and the ability to execute new ideas with autonomy Know how to find the right balance between perfection and shipping quickly Passion for blockchain technologies a plus  

More on the TeamInternal Productivity is an engineering team whose main purpose is to build tools and use cutting edge technology to improve the productivity and efficiency of internal stakeholders, specifically servicing finance, sales, and data science.  Alchemy is committed to offering competitive compensation, including base salary as well as equity. Additionally, Alchemy offers comprehensive medical, dental, and vision coverage, as well as other benefits such as 401k and unlimited flexible time off. The base salary range for this position is estimated to be between $135,000 - $350,000 annually. Please note this range reflects base salary only, and does not include bonus, equity, or benefits. Your salary will be determined by various factors, including relevant experience, skill set, qualifications, and other business needs.  

Apply Now:

Join Tether and Shape the Future of Digital Finance

Innovate with Tether

Why Join Us?

About the job

The role involves working in a dynamic environment with a diverse team of senior backend developers, C++ developers, product managers and leadership to build mobile versions of our AI solutions. The applications are meant to be high performance, light-weight and highly intuitive to cater to a variety of audiences.

Key responsibilities

• Thoroughly experienced with React, React-Native (mainly around Expo), Redux and the core principles surrounding these.

• Highly proficient in JavaScript and ES6+.

• Experience with CI/CD pipelines for mobile development.

• Familiar with modern front-end pipelines and tools.

• Experienced with Native modules (C++) , WebSockets, RESTful based APIs.

• Experience in Swift/Objective-C (iOS) or Kotlin/Java (Android) for low level implementation.

Apply Now:

Join Tether and Shape the Future of Digital Finance

Innovate with Tether

Why Join Us?

About the job

The role involves working in a dynamic environment with a diverse team of senior backend developers, C++ developers, product managers and leadership to build mobile versions of our AI solutions. The applications are meant to be high performance, light-weight and highly intuitive to cater to a variety of audiences.

Key responsibilities

• Thoroughly experienced with React, React-Native (mainly around Expo), Redux and the core principles surrounding these.

• Highly proficient in JavaScript and ES6+.

• Experience with CI/CD pipelines for mobile development.

• Familiar with modern front-end pipelines and tools.

• Experienced with Native modules (C++) , WebSockets, RESTful based APIs.

• Experience in Swift/Objective-C (iOS) or Kotlin/Java (Android) for low level implementation.

Apply Now:

Join Tether and Shape the Future of Digital Finance

Innovate with Tether

Why Join Us?

About the job

The role involves working in a dynamic environment with a diverse team of senior backend developers, C++ developers, product managers and leadership to build mobile versions of our AI solutions. The applications are meant to be high performance, light-weight and highly intuitive to cater to a variety of audiences.

Key responsibilities

• Thoroughly experienced with React, React-Native (mainly around Expo), Redux and the core principles surrounding these.

• Highly proficient in JavaScript and ES6+.

• Experience with CI/CD pipelines for mobile development.

• Familiar with modern front-end pipelines and tools.

• Experienced with Native modules (C++) , WebSockets, RESTful based APIs.

• Experience in Swift/Objective-C (iOS) or Kotlin/Java (Android) for low level implementation.

Apply Now:

Join Tether and Shape the Future of Digital Finance

Innovate with Tether

Why Join Us?

About the job

The role involves working in a dynamic environment with a diverse team of senior backend developers, C++ developers, product managers and leadership to build mobile versions of our AI solutions. The applications are meant to be high performance, light-weight and highly intuitive to cater to a variety of audiences.

Key responsibilities

• Thoroughly experienced with React, React-Native (mainly around Expo), Redux and the core principles surrounding these.

• Highly proficient in JavaScript and ES6+.

• Experience with CI/CD pipelines for mobile development.

• Familiar with modern front-end pipelines and tools.

• Experienced with Native modules (C++) , WebSockets, RESTful based APIs.

• Experience in Swift/Objective-C (iOS) or Kotlin/Java (Android) for low level implementation.

Apply Now:

Join Tether and Shape the Future of Digital Finance

Innovate with Tether

Why Join Us?

About the job

The role involves working in a dynamic environment with a diverse team of senior backend developers, C++ developers, product managers and leadership to build mobile versions of our AI solutions. The applications are meant to be high performance, light-weight and highly intuitive to cater to a variety of audiences.

Key responsibilities

• Thoroughly experienced with React, React-Native (mainly around Expo), Redux and the core principles surrounding these.

• Highly proficient in JavaScript and ES6+.

• Experience with CI/CD pipelines for mobile development.

• Familiar with modern front-end pipelines and tools.

• Experienced with Native modules (C++) , WebSockets, RESTful based APIs.

• Experience in Swift/Objective-C (iOS) or Kotlin/Java (Android) for low level implementation.

Apply Now:

Join Tether and Shape the Future of Digital Finance

Innovate with Tether

Why Join Us?

About the job

The role involves working in a dynamic environment with a diverse team of senior backend developers, C++ developers, product managers and leadership to build mobile versions of our AI solutions. The applications are meant to be high performance, light-weight and highly intuitive to cater to a variety of audiences.

Key responsibilities

• Thoroughly experienced with React, React-Native (mainly around Expo), Redux and the core principles surrounding these.

• Highly proficient in JavaScript and ES6+.

• Experience with CI/CD pipelines for mobile development.

• Familiar with modern front-end pipelines and tools.

• Experienced with Native modules (C++) , WebSockets, RESTful based APIs.

• Experience in Swift/Objective-C (iOS) or Kotlin/Java (Android) for low level implementation.

Apply Now:

Join Tether and Shape the Future of Digital Finance

Innovate with Tether

Why Join Us?

About the job

The role involves working in a dynamic environment with a diverse team of senior backend developers, C++ developers, product managers and leadership to build mobile versions of our AI solutions. The applications are meant to be high performance, light-weight and highly intuitive to cater to a variety of audiences.

Key responsibilities

• Thoroughly experienced with React, React-Native (mainly around Expo), Redux and the core principles surrounding these.

• Highly proficient in JavaScript and ES6+.

• Experience with CI/CD pipelines for mobile development.

• Familiar with modern front-end pipelines and tools.

• Experienced with Native modules (C++) , WebSockets, RESTful based APIs.

• Experience in Swift/Objective-C (iOS) or Kotlin/Java (Android) for low level implementation.

Apply Now:

Join Tether and Shape the Future of Digital Finance

Innovate with Tether

Why Join Us?

About the job

The role involves working in a dynamic environment with a diverse team of senior backend developers, C++ developers, product managers and leadership to build mobile versions of our AI solutions. The applications are meant to be high performance, light-weight and highly intuitive to cater to a variety of audiences.

Key responsibilities

• Thoroughly experienced with React, React-Native (mainly around Expo), Redux and the core principles surrounding these.

• Highly proficient in JavaScript and ES6+.

• Experience with CI/CD pipelines for mobile development.

• Familiar with modern front-end pipelines and tools.

• Experienced with Native modules (C++) , WebSockets, RESTful based APIs.

• Experience in Swift/Objective-C (iOS) or Kotlin/Java (Android) for low level implementation.

Apply Now:

Join Tether and Shape the Future of Digital Finance

Innovate with Tether

Why Join Us?

About the job

The role involves working in a dynamic environment with a diverse team of senior backend developers, C++ developers, product managers and leadership to build mobile versions of our AI solutions. The applications are meant to be high performance, light-weight and highly intuitive to cater to a variety of audiences.

Key responsibilities

• Thoroughly experienced with React, React-Native (mainly around Expo), Redux and the core principles surrounding these.

• Highly proficient in JavaScript and ES6+.

• Experience with CI/CD pipelines for mobile development.

• Familiar with modern front-end pipelines and tools.

• Experienced with Native modules (C++) , WebSockets, RESTful based APIs.

• Experience in Swift/Objective-C (iOS) or Kotlin/Java (Android) for low level implementation.

Apply Now:

Join Tether and Shape the Future of Digital Finance

Innovate with Tether

Why Join Us?

About the job

The role involves working in a dynamic environment with a diverse team of senior backend developers, C++ developers, product managers and leadership to build mobile versions of our AI solutions. The applications are meant to be high performance, light-weight and highly intuitive to cater to a variety of audiences.

Key responsibilities

• Thoroughly experienced with React, React-Native (mainly around Expo), Redux and the core principles surrounding these.

• Highly proficient in JavaScript and ES6+.

• Experience with CI/CD pipelines for mobile development.

• Familiar with modern front-end pipelines and tools.

• Experienced with Native modules (C++) , WebSockets, RESTful based APIs.

• Experience in Swift/Objective-C (iOS) or Kotlin/Java (Android) for low level implementation.

Apply Now:

Join Tether and Shape the Future of Digital Finance

Innovate with Tether

Why Join Us?

About the job

The role involves working in a dynamic environment with a diverse team of senior backend developers, C++ developers, product managers and leadership to build mobile versions of our AI solutions. The applications are meant to be high performance, light-weight and highly intuitive to cater to a variety of audiences.

Key responsibilities

• Thoroughly experienced with React, React-Native (mainly around Expo), Redux and the core principles surrounding these.

• Highly proficient in JavaScript and ES6+.

• Experience with CI/CD pipelines for mobile development.

• Familiar with modern front-end pipelines and tools.

• Experienced with Native modules (C++) , WebSockets, RESTful based APIs.

• Experience in Swift/Objective-C (iOS) or Kotlin/Java (Android) for low level implementation.

Apply Now:

Join Tether and Shape the Future of Digital Finance

Innovate with Tether

Why Join Us?

About the job

The role involves working in a dynamic environment with a diverse team of senior backend developers, C++ developers, product managers and leadership to build mobile versions of our AI solutions. The applications are meant to be high performance, light-weight and highly intuitive to cater to a variety of audiences.

Key responsibilities

• Thoroughly experienced with React, React-Native (mainly around Expo), Redux and the core principles surrounding these.

• Highly proficient in JavaScript and ES6+.

• Experience with CI/CD pipelines for mobile development.

• Familiar with modern front-end pipelines and tools.

• Experienced with Native modules (C++) , WebSockets, RESTful based APIs.

• Experience in Swift/Objective-C (iOS) or Kotlin/Java (Android) for low level implementation.

Apply Now:

Join Tether and Shape the Future of Digital Finance

Innovate with Tether

Why Join Us?

About the job

The role involves working in a dynamic environment with a diverse team of senior backend developers, C++ developers, product managers and leadership to build mobile versions of our AI solutions. The applications are meant to be high performance, light-weight and highly intuitive to cater to a variety of audiences.

Key responsibilities

• Thoroughly experienced with React, React-Native (mainly around Expo), Redux and the core principles surrounding these.

• Highly proficient in JavaScript and ES6+.

• Experience with CI/CD pipelines for mobile development.

• Familiar with modern front-end pipelines and tools.

• Experienced with Native modules (C++) , WebSockets, RESTful based APIs.

• Experience in Swift/Objective-C (iOS) or Kotlin/Java (Android) for low level implementation.

Apply Now:

Join Tether and Shape the Future of Digital Finance

Innovate with Tether

Why Join Us?

About the job

The role involves working in a dynamic environment with a diverse team of senior backend developers, C++ developers, product managers and leadership to build mobile versions of our AI solutions. The applications are meant to be high performance, light-weight and highly intuitive to cater to a variety of audiences.

Key responsibilities

• Thoroughly experienced with React, React-Native (mainly around Expo), Redux and the core principles surrounding these.

• Highly proficient in JavaScript and ES6+.

• Experience with CI/CD pipelines for mobile development.

• Familiar with modern front-end pipelines and tools.

• Experienced with Native modules (C++) , WebSockets, RESTful based APIs.

• Experience in Swift/Objective-C (iOS) or Kotlin/Java (Android) for low level implementation.

Apply Now:

Join Tether and Shape the Future of Digital Finance

Innovate with Tether

Why Join Us?

About the job

The role involves working in a dynamic environment with a diverse team of senior backend developers, C++ developers, product managers and leadership to build mobile versions of our AI solutions. The applications are meant to be high performance, light-weight and highly intuitive to cater to a variety of audiences.

Key responsibilities

• Thoroughly experienced with React, React-Native (mainly around Expo), Redux and the core principles surrounding these.

• Highly proficient in JavaScript and ES6+.

• Experience with CI/CD pipelines for mobile development.

• Familiar with modern front-end pipelines and tools.

• Experienced with Native modules (C++) , WebSockets, RESTful based APIs.

• Experience in Swift/Objective-C (iOS) or Kotlin/Java (Android) for low level implementation.

Apply Now:

Interested in working on cutting-edge blockchain technology and creating equitable access to the global financial system? Since 2014, the mission-driven team at the Stellar Development Foundation (SDF) has helped fuel the tremendous growth of the Stellar blockchain network, an open-source platform that operates at high-scale today. Developers and companies around the world build on it, and the SDF team is expanding to support the rapidly growing and changing Stellar ecosystem. As part of the Platform team, you will work on mission-critical infrastructure for the Stellar network. Our team builds open-source libraries, services, and APIs that are the primary way developers interact with the Stellar blockchain. From individual developers to large, established institutions, our tools power a huge portion of ecosystem projects and play a pivotal role in the success of the network. Your work will have a broad and meaningful impact: improving the developer experience, implementing critical performance optimizations to support scaling, and designing new architectures to tackle future challenges as the network evolves. In this role, you will:

Work on cutting-edge technology at the intersection of blockchain and finance. Drive all aspects of the development process for platform projects, from vision to implementation. Design new platform functionality and developer-facing APIs that enhance the ecosystem. Build and maintain scalable web services that align with the foundation’s mission. Identify developer needs and create protocols and services to improve developer velocity across the ecosystem. Engage with the open-source community on diverse projects, frameworks, and ideas. Collaborate on code reviews, design discussions, and best practices for engineering at SDF. Investigate and resolve performance bottlenecks to ensure our API services scale effectively. Author detailed technical specifications (RFCs) to contribute to our robust design process.

You have:

4+ years of experience developing software as part of a collaborative team. Strong computer science fundamentals, including data structures, algorithms, distributed systems, and information retrieval. Proficiency in writing server applications in languages such as Go, Python, Rust, C#, Java, or C++, and a willingness to work across languages when needed. Experience supporting production web services at scale. Excellent communication skills, with the ability to advocate for and lead technical discussions, especially during design and code reviews. A solid grasp of software design patterns and the ability to build reusable, extensible, and modular components. Familiarity with existing frameworks and open-source tools, coupled with a willingness to develop new ones when gaps arise. A passion for performance optimization, debugging, and benchmarking. Excitement about joining a team where autonomy is encouraged. An open, empathetic mindset and a commitment to fostering collaboration and putting the best ideas forward.

Bonus points:

You have experience with blockchain technologies or cryptocurrencies. You have experience contributing to open-source projects. You have worked on a team or project where developers have been your primary customers. You have experience working on financial or payment products.

We offer competitive pay with a base salary range for this position of $180,000 - $210,000 depending on job-related knowledge, skills, experience, and location. In addition, we offer lumen-denominated grants along with the following perks and benefits: USA Benefits/Perks:

Competitive health, dental & vision coverage with most plans covered at 100% for the employee + any dependents Flexible time off + 15 company holidays including a company-wide holiday break Up to 12 weeks of paid parental leave for both non-birthing and birthing parents, as well as up to 14 weeks of paid pregnancy leave for birthing parents Gym reimbursement ($80 per month) Life & ADD (up to $50K) Short & Long term disability 401K with 4% match Health & Dependent Care FSA Accounts Commuter benefits with $250/month employer contribution Health Savings Account (HSA) with monthly employer contribution Family building benefits through Kindbody Wellbeing benefits (One Medical, Rightway, Headspace) L&D budget of $1,500/year Daily lunch and snacks in office Company retreats

About Stellar   Stellar is more than a blockchain. Powered by a decentralized, fast, scalable, and uniquely sustainable network made for financial products and services and a thriving and passionate ecosystem that includes a non-profit organization driven by a mission, Stellar is paving the path to unlock the world’s economic potential through blockchain technology. Built with speed and low costs in mind, the Stellar network provides builders and financial institutions worldwide a platform to issue assets, and to send and convert currencies in real time creating real world utility. Founded in 2014, the Stellar Development Foundation (SDF) supports the continued development and growth of the Stellar network and also serves the ecosystem of NGOs, corporations, universities, small businesses, governments, and solo entrepreneurs building on the Stellar network through tooling, funding and strategic collaborations. Together, Stellar is where blockchain meets the real world.   About the Stellar Development Foundation   The Stellar Development Foundation (SDF) is a non-profit organization focused on working with and supporting changemakers to create equitable access to the global financial system through blockchain technology. SDF provides grants, investments, funding, and other awards to builders and organizations. SDF also develops resources and tooling on the Stellar network to help unlock real world utility. As a nonprofit foundation, SDF puts the health of the Stellar network and the Stellar ecosystem and its mission above all else.   We look forward to hearing from you!   Privacy Policy   By submitting your application, you are agreeing to our use and processing of your data in accordance with our Privacy Policy.   SDF is committed to diversity in its workforce and is proud to be an equal opportunity employer. SDF does not make hiring or employment decisions on the basis of race, color, religion, creed, gender, national origin, age, disability, veteran status, marital status, pregnancy, sex, gender expression or identity, sexual orientation, citizenship, or any other basis protected by applicable local, state or federal law.

Apply Now:

About Us 

Chainlink Labs is the primary contributing developer of Chainlink, the decentralized computing platform powering the verifiable web. Chainlink is the industry-standard platform for providing access to real-world data, offchain computation, and secure cross-chain interoperability across any blockchain. Chainlink Labs helps power verifiable applications for banking, DeFi, global trade, and gaming by collaborating with some of the world’s largest financial institutions, notably Swift, DTCC, and ANZ. Chainlink Labs also works with top Web3 teams, including Aave, Compound, GMX, Maker, and Synthetix. Chainlink Labs was ranked in Newsweek’s 100 Most Loved Workplaces 2023 in both the United States and United Kingdom.

The Engineering Team

At Chainlink Labs, our engineering team pushes the scale and capabilities of decentralized applications across the industry. The Chainlink Network holds >70% market share in the oracle space, solving real-world problems by enabling smart contracts to securely interact with off-chain data/computation.

We value talented and driven craftsmen who work collaboratively to tackle complex challenges, deliver product impact, and grow as builders. Join us and shape the future of blockchain technology and decentralized finance. 

Chainlink Labs seeks to power smart contracts on all blockchain ecosystems. We believe in a multi-blockchain universe, where users are able to leverage the strengths of different blockchains for their particular needs.

As a software engineer on the Blockchain Integrations team, you will own the integrations of upcoming blockchains into the Chainlink platform, working directly and building relations with the founding engineers while gaining expertise in each new innovative ecosystem. You will be the driving force behind building this critical infrastructure for cross-chain connectivity while working with a globally distributed team. You will report to the engineering lead on the team.

Your Impact:

• Own the end to end integration of Chainlink products including CCIP and Data Streams to new cutting edge blockchains to enable exponential growth of the network

• Lead viability research to assess compatibility and coordinate integration through chain-specific node development, token bridging, deployments, monitoring, tooling, and testing

• Work collaboratively with industry leaders, developers, users, and the web 3 community

• Work closely with node operators to connect their Chainlink nodes to new blockchains

• Support components and service layers to sustainability scale and support integrated blockchains

• Collaborate cross functionally to improve the efficiency and efficacy of the integration process 

Requirements:

• 5-8+ years of experience working in software development

• Excitement for blockchain, web3, and similar decentralized technologies

• Professional engineering experience working in a collaborative, product-driven environment

• Experience owning the communication of project progress, dependencies, and risk mitigation directly with stakeholders and partners

• Proficiency in Computer Science fundamentals 

• Proactive, creative, and resourceful when tackling ambiguous technical challenges

• Comfort in a remote role as a part of a distributed team located across multiple time zones

Desired Qualifications:

• Experience with Golang

• Familiarity with: Rust, TypeScript, Solidity, Postgres, Terraform, AWS

• Experience in blockchain and other Web 3.0 technologies, as a web3 developer and/or as a backend service developer

• Experience in designing and building distributed systems

• Experience contributing to the open source community

Our Stack:

Golang, TypeScript, AWS

#LI-DA1

All roles with Chainlink Labs are global and remote-based. Unless otherwise stated, we ask that you try to overlap some working hours with Eastern Standard Time (EST).

Commitment to Equal Opportunity

Chainlink Labs is an equal opportunity employer. All qualified applicants will receive equal consideration for employment in compliance with applicable laws, regulations, or ordinances. If you need assistance or accommodation due to a disability or special need when applying for a role or in our recruitment process, please contact us via this form.

Global Data Privacy Notice for Job Candidates and Applicants

Information collected and processed as part of your Chainlink Labs Careers profile, and any job applications you choose to submit is subject to our Privacy Policy. By submitting your application, you are agreeing to our use and processing of your data as required.

Apply Now:

Pond is pioneering blockchain’s foundational models by leveraging graph deep learning to predict on-chain behaviors and accelerate the development of AI-powered, crypto-native applications. Its solutions target key sectors including DeFi, social networks, trading, MEV, and security, utilizing an innovative, decentralized AI development process.

The technical team brings extensive expertise from leading graph AI companies such as WeChat, TigerGraph, and Yuga Labs. With a remarkable track record of over 40 publications in prestigious journals and conferences—such as IEEE, Nature, Harvard Business Review, ICML, NeurIPS, CVPR, and PNAS—the team is at the forefront of cutting-edge AI research and application.

Our $7.5M seed round is led by Archetype, with participation from Cyber Fund (Lido founder’s fund, which rarely invests directly, backed Solana pre-seed and Ethereum pre-ICO), Coinbase Ventures, Delphi Digital and Anagram (the fund of Solana’s president and former president of Polychain).

We have a 30+ wide range of angels in DeFi, MEV, social, security, and more including the co-founder of Near, the co-founder of ENS, CTO of Exo Labs, co-founders of Plume Network, COO of Matrixport, the Head of Market Research of Flashbots, the founder of Mamori, the founder of SEDA, former GP of Variant—Spencer Noon, the founder of Zerion, the founder of Nuffle, the founder of OpenGradient, and others.

For more:

• Website
• Twitter

The role:

We are seeking a skilled and passionate Smart Contract Engineer to join our innovative blockchain team. The ideal candidate will have proven experience in developing and deploying smart contracts and be deeply familiar with blockchain technologies. As a Blockchain Smart Contract Engineer, your main task is to develop, test, and maintain smart contracts on different blockchains according to business needs.

Key Responsibilities:

• Design, develop, test, and deploy smart contracts on blockchain platforms such as Ethereum, Base, or Solana.
• Collaborate with the development team to create and implement decentralized applications (DApps).
• Write high-quality, secure, and sustainable code for blockchain applications.
• Perform code reviews and provide constructive feedback to peers.
• Maintain and optimize existing blockchain applications and smart contracts.
• Work closely with project managers and other stakeholders to define and achieve project goals.
• Stay updated with the latest blockchain technologies and cryptographic methods.
• Contribute to the architecture and design decisions for blockchain systems.

Required Skills and Qualifications:

• Bachelor’s degree in Computer Science, Engineering, or a related field.
• 2+ years of experience in blockchain development.
• Strong proficiency in Solidity and other smart contract languages.
• Experience with blockchain development frameworks and tools (e.g., Truffle, Hardhat, Remix).
• Understanding of consensus algorithms and blockchain protocols.
• Knowledge of front-end technologies (e.g., HTML, CSS, JavaScript) for DApp integration.
• Experience with version control systems, preferably Git.
• Excellent problem-solving skills and ability to work under pressure.

Preferred Skills:

• Familiar with Solidity language, and preferably have some understanding of Rust.
• Familiarity with off-chain storage solutions and integrations (IPFS, The Graph).
• Understanding of Layer 2 scaling solutions (e.g., Optimism, Arbitrum).
• Contributions to open-source blockchain projects.
• Prior experience in a fintech environment.

Summary

Cryptio is seeking a Software Engineer passionate about building crypto, finance, and accounting reconciliation products.

You'll join our talented engineering team working on Cryptio's SaaS platform within the Accounting & Reconciliation squad. Your team will develop robust solutions for cost basis and PnL computations, maintain our automated reconciliation tool (AutoRec), and create a high-performance reporting pipeline that process large volumes of data.

Key technologies:

• Rust (with a focus on performance and scalability)

• TypeScript (key dependencies: Nest.js, Zod, Slonik)

• PostgreSQL

• Kubernetes on AWS, Docker, GitLab… (modern development stack)

What's special about this role?

This role represents a unique opportunity to solve complex accounting and financial challenges in the cryptocurrency space. You'll contribute to the development of critical features that help our clients navigate the intersection of traditional finance and digital assets, from implementing sophisticated cost basis computations to building automated reconciliation systems that can handle millions of transactions.

You’ll be part of a team responsible for creating robust solutions that not only process high volumes of financial data efficiently but also ensure regulatory compliance and audit readiness. These systems will help our clients maintain accurate financial records, generate comprehensive reports, and confidently manage their crypto assets while meeting all regulatory requirements.

Responsibilities

• Contribute to the development of core accounting and reconciliation features

• Write and ship production grade TypeScript / Rust code

• Document and test your code

• Work closely with product teams to ensure new features meet user needs

Requirements

• 5+ years of software engineering experience

• Deep knowledge of TypeScript

• Pro-efficient in Rust, ability to write and ship production-grade code

• Some experience with high-performance systems

• Some experience with OLAP databases (ClickHouse or similar)

• Strong background in database design and optimisation with PostgreSQL

• Experience with data-heavy products and system optimisation

• Exceptional communication skills, with both technical and non-technical stakeholders

• Impeccable spoken and written English

• Strong collaborative mindset - the ability to work effectively with others is essential for tackling complex features

• An analytical mindset, a passion for solving complex problems, and an interest in the crypto and fintech industry

Location

You can work from home 100% of the time, but you should be able to easily join one of our hubs from time to time. Our hubs are Paris, London, and New-York.

Interview Process

1. Talent Screen - 45 min

2. Technical Interview - 90 min

3. Team Interview - 45 min

4. Leadership Interview - 45 min

Benefits

✨ Fully-Remote / Hybrid – The choice is yours! 🌍🏡

🎉 25 Days Paid Holiday + Bank Holidays + Your Birthday Off 🎂

💰 4% Pension Contributions towards your future! 💼

🏥 Private Medical & Dental Insurance with Allianz! 🦷💊

👶 Attractive Maternity and Paternity Policies for your growing family 👨‍👩‍👧‍👦

💪 Gym Classes or Spa Treatments with ClassPass! 🧘‍♂️🧖‍♀️

💻 Apple MacBook Pro – The best tech at your fingertips! 💻✨

💵 $200 Workplace Budget to create your perfect home office! 🏠💼

📚 Training and Development Budget – Invest in yourself and grow! 🚀

Apply Now:

Job Title: Quantitative Developer   Location: London Type: Full-time Level: Mid Level Reports to: Chief Quant/ Risk Officer  Elwood Technologies is a FCA regulated firm that provides end-to-end institutional-grade digital asset Execution, Liquidity Access and Portfolio Monitoring & Risk Management Software. Built with institutions for institutions, Elwood’s EMS offers best available price execution, smart order routing and algorithmic tooling alongside a traditional finance grade Portfolio Management System.  Built by industry experts with decades of combined experience in investment management and digital technology, we are now looking for a Senior Engineer to work on our EMS platform within the Engineering Team . Job Description We’re currently looking for a Quantitative Developer to join our Quant team based in the UK. We have a mix of Quant Developers and Software Engineers bringing finance knowledge and enterprise scale software development respectively – occasionally both! The stack is comprised of C# .NET 5+ services which call into a proprietary C++ quant library and present results via a React frontend. Hosted on Linux in AWS with large calculations distributed over many instances, messaging via Redis. As part of the role, you will form an integral part of the team responsible for pricing and risk analytics available on our platform. You will contribute to the continued development of our models, whilst also working closely with the Product Team to implement new features, and provide desk support to our clients.  Key Responsibilities

Develop and enhance our in-house pricing and risk models, which are implemented in our digital Quant analytics library, written in C++. Build new services to meet critical product and business needs using C++ and Python. Build features that help customers collaborate on asset management. The functionality of the library is exposed to clients through a web based cross-asset Portfolio Management System providing clients with real time pricing, scenario, risk and P&L on their portfolios as well as the ability to structure and overlay new positions. Work with engineers, designers, product managers, and senior leadership to turn our roadmap and technical vision into a tangible product with timely deliveries. Monitor and support all Quant production system components (analytics, market data). Estimation, design, development and unit testing of features, with robust coding standards.

Qualifications / Knowledge

5+ years’ of experience developing applications in C# with good knowledge of coding fundamentals  Financial Services experience is essential (Buy or Sell-Side) Knowledge of the standard pricing models e.g. Black Scholes, sensitivities, with a strong understanding of derivatives of at least one asset class Experience working with interest rate curves, vol surfaces and other market data Experience implementing trading/risks applications in C# . Experience implementing C++ pricing libraries Strong knowledge of data structures, algorithms, and designing for performance. Great communication skills and the ability to work as part of a team – bouncing ideas off colleagues, building consensus around a design etc. - Ability to explain complicated concepts with ease Master's degree or PhD in mathematics or any other relevant numerical field.

What we offer: 💵  Competitive salary and compensation packages 🍎 Fully paid medical and discounted dental schemes for employees and their family ✈️ Generous time off + bank holidays 🍼 Enhanced parental leave for all employees who have been with the company for one (1) year 🍔 Fully stocked kitchen and access to Ubereats 💪 Discounted gym scheme with Fitness First 🐕‍ Employee Assistance Programme 📚 Paid study leave and personal leave Why Elwood?  

Join one of the fastest growing FinTech companies and help shape the future of finance A startup with deep financial backing and a strong market presence Our platform is enabling institutional access to the most exciting growth opportunity in Finance Work with a modern technology stack and help solve high impact problems Strong client focused team with a diverse background   We’re a Global company and have modern, centrally based offices in London, New York, Singapore & Jersry

Equal Opportunities As an equal opportunity employer, you can read more about our policy here: https://elwood.io/diversity/

Apply Now:

Summary

Cryptio is looking for a software engineer interested in working on finance / accounting related products.

You will join a team of talented engineers working on Cryptio’s core SaaS product. The mission of this team is to develop new features, maintain existing ones and deal with technical debt.

This is a high impact team shaping the future of back-office and reporting for businesses with intensive crypto use cases. Cryptio is a data heavy product, with performance and architectural challenges.

Key technologies:

• TypeScript (key dependencies: Nest.js, Zod, Slonik)

• PostgreSQL

• Kubernetes on AWS, Docker, GitLab… (modern development stack)

What's special about this role?

This role represents a unique opportunity to solve complex accounting and financial challenges in the cryptocurrency space. You'll contribute to the development of critical features that help our clients navigate the intersection of traditional finance and digital assets, from implementing sophisticated cost basis computations to building automated reconciliation systems that can handle millions of transactions.

Responsibilities

• Write production-grade TypeScript code

• Implement new features and maintain existing ones

• Document and test your code

• Work closely with product teams to ensure new features meet user needs

Requirements

• 5+ years of experience writing software

• Strong knowledge of TypeScript

• Comfortable working with PostgreSQL (or another relational database)

• Comfortable working with the Node.js ecosystem

• Impeccable spoken and written English

• Excellent communication, with both technical and non-technical stakeholders

• Thriving when working with others

Nice to have

• Some experience with the key TypeScript dependencies we are using: Nest.js, Slonik, Zod

• Some experience with key tools we are using: Docker, Gitlab, Grafana stack

• Infra: AWS, S3, Kubernetes

Location

You can work from home 100% of the time, but you should be able to easily join one of our hubs from time to time. Our hubs are Paris, London, and New-York.

Interview Process

1. Talent Screen - 45 min

2. Technical Interview - 90 min

3. Team Interview - 45 min

4. Leadership Interview - 45 min

Benefits

✨ Fully-Remote / Hybrid – The choice is yours! 🌍🏡

🎉 25 Days Paid Holiday + Bank Holidays + Your Birthday Off 🎂

💰 4% Pension Contributions towards your future! 💼

🏥 Private Medical & Dental Insurance with Allianz! 🦷💊

👶 Attractive Maternity and Paternity Policies for your growing family 👨‍👩‍👧‍👦

💪 Gym Classes or Spa Treatments with ClassPass! 🧘‍♂️🧖‍♀️

💻 Apple MacBook Pro – The best tech at your fingertips! 💻✨

💵 $200 Workplace Budget to create your perfect home office! 🏠💼

📚 Training and Development Budget – Invest in yourself and grow! 🚀

Apply Now:

Join Tether and Shape the Future of Digital Finance

Innovate with Tether

Why Join Us?

About the job

The role involves working in a dynamic environment with a diverse team of senior backend developers, C++ developers, product managers and leadership to build mobile versions of our AI solutions. The applications are meant to be high performance, light-weight and highly intuitive to cater to a variety of audiences.

Key responsibilities

• Thoroughly experienced with React, React-Native (mainly around Expo), Redux and the core principles surrounding these.

• Highly proficient in JavaScript and ES6+.

• Experience with CI/CD pipelines for mobile development.

• Familiar with modern front-end pipelines and tools.

• Experienced with Native modules (C++) , WebSockets, RESTful based APIs.

• Experience in Swift/Objective-C (iOS) or Kotlin/Java (Android) for low level implementation.

Apply Now:

Join Tether and Shape the Future of Digital Finance

Innovate with Tether

Why Join Us?

About the job

The role involves working in a dynamic environment with a diverse team of senior backend developers, C++ developers, product managers and leadership to build mobile versions of our AI solutions. The applications are meant to be high performance, light-weight and highly intuitive to cater to a variety of audiences.

Key responsibilities

• Thoroughly experienced with React, React-Native (mainly around Expo), Redux and the core principles surrounding these.

• Highly proficient in JavaScript and ES6+.

• Experience with CI/CD pipelines for mobile development.

• Familiar with modern front-end pipelines and tools.

• Experienced with Native modules (C++) , WebSockets, RESTful based APIs.

• Experience in Swift/Objective-C (iOS) or Kotlin/Java (Android) for low level implementation.

Apply Now:

Join Tether and Shape the Future of Digital Finance

Innovate with Tether

Why Join Us?

About the job

The role involves working in a dynamic environment with a diverse team of senior backend developers, C++ developers, product managers and leadership to build mobile versions of our AI solutions. The applications are meant to be high performance, light-weight and highly intuitive to cater to a variety of audiences.

Key responsibilities

• Thoroughly experienced with React, React-Native (mainly around Expo), Redux and the core principles surrounding these.

• Highly proficient in JavaScript and ES6+.

• Experience with CI/CD pipelines for mobile development.

• Familiar with modern front-end pipelines and tools.

• Experienced with Native modules (C++) , WebSockets, RESTful based APIs.

• Experience in Swift/Objective-C (iOS) or Kotlin/Java (Android) for low level implementation.

Apply Now:

Join Tether and Shape the Future of Digital Finance

Innovate with Tether

Why Join Us?

About the job

The role involves working in a dynamic environment with a diverse team of senior backend developers, C++ developers, product managers and leadership to build mobile versions of our AI solutions. The applications are meant to be high performance, light-weight and highly intuitive to cater to a variety of audiences.

Key responsibilities

• Thoroughly experienced with React, React-Native (mainly around Expo), Redux and the core principles surrounding these.

• Highly proficient in JavaScript and ES6+.

• Experience with CI/CD pipelines for mobile development.

• Familiar with modern front-end pipelines and tools.

• Experienced with Native modules (C++) , WebSockets, RESTful based APIs.

• Experience in Swift/Objective-C (iOS) or Kotlin/Java (Android) for low level implementation.

Apply Now:

Join Tether and Shape the Future of Digital Finance

Innovate with Tether

Why Join Us?

About the job

The role involves working in a dynamic environment with a diverse team of senior backend developers, C++ developers, product managers and leadership to build mobile versions of our AI solutions. The applications are meant to be high performance, light-weight and highly intuitive to cater to a variety of audiences.

Key responsibilities

• Thoroughly experienced with React, React-Native (mainly around Expo), Redux and the core principles surrounding these.

• Highly proficient in JavaScript and ES6+.

• Experience with CI/CD pipelines for mobile development.

• Familiar with modern front-end pipelines and tools.

• Experienced with Native modules (C++) , WebSockets, RESTful based APIs.

• Experience in Swift/Objective-C (iOS) or Kotlin/Java (Android) for low level implementation.

Apply Now:

Join Tether and Shape the Future of Digital Finance

Innovate with Tether

Why Join Us?

About the job

The role involves working in a dynamic environment with a diverse team of senior backend developers, C++ developers, product managers and leadership to build mobile versions of our AI solutions. The applications are meant to be high performance, light-weight and highly intuitive to cater to a variety of audiences.

Key responsibilities

• Thoroughly experienced with React, React-Native (mainly around Expo), Redux and the core principles surrounding these.

• Highly proficient in JavaScript and ES6+.

• Experience with CI/CD pipelines for mobile development.

• Familiar with modern front-end pipelines and tools.

• Experienced with Native modules (C++) , WebSockets, RESTful based APIs.

• Experience in Swift/Objective-C (iOS) or Kotlin/Java (Android) for low level implementation.

Apply Now: