⬅️  To Main Cryptography jobs

Create flexible and precise queries that fit your needs exactly. Example: React.js, -USA  × Laravel, Vue.js, -Contract  × will get you jobs that are (React.js and not in USA) or (Laravel and Vue.js and not Contract/Freelance).

You can mix and match any tags, negations and groups in any order. And don't worry about typos – the search is fuzzy.

Dismiss

Nethermind South Korea
Building the Future of Blockchain & AI in Asia-Pacific About the Opportunity Nethermind is seeking an experienced technical leader to drive our product innovation and engineering excellence across Asia-Pacific. Reporting to the APAC Regional Managing Director (RMD), you’ll lead the technical execution of our regional strategy while building world-class products that bridge blockchain and AI technologies for enterprise clients. This is a senior technical leadership role where you’ll have significant autonomy over product and engineering decisions while working closely with regional leadership to achieve our ambitious growth targets. You’ll have the autonomy of a founder with the backing of a global blockchain leader, shaping the future of enterprise blockchain and AI solutions across the world’s most dynamic markets. Your Mission Transform Nethermind’s APAC presence from a promising footprint into a

Building the Future of Blockchain & AI in Asia-Pacific

About the Opportunity

Nethermind is seeking an experienced technical leader to drive our product innovation and engineering excellence across Asia-Pacific. Reporting to the APAC Regional Managing Director (RMD), you’ll lead the technical execution of our regional strategy while building world-class products that bridge blockchain and AI technologies for enterprise clients.

This is a senior technical leadership role where you’ll have significant autonomy over product and engineering decisions while working closely with regional leadership to achieve our ambitious growth targets. You’ll have the autonomy of a founder with the backing of a global blockchain leader, shaping the future of enterprise blockchain and AI solutions across the world’s most dynamic markets.

Your Mission

Transform Nethermind’s APAC presence from a promising footprint into a revenue-generating powerhouse by building world-class products that bridge blockchain and AI technologies for enterprise clients across the region.

Key Responsibilities:

Technical Product Leadership

  • Define and execute the technical product roadmap aligned with APAC business strategy
  • Lead product development lifecycle from ideation to launch for 1 flagship product
  • Make technical decisions on architecture, tech stack, and feature prioritization
  • Work with the Regional Managing Director to ensure products meet market requirements
  • Create technical IP in blockchain/AI convergence

Engineering Excellence & Team Building

  • Assemble and/or Build and lead a team of engineers and product managers across APAC
  • Manage engineering hiring, performance, and retention in collaboration with regional leadership
  • Define engineering standards, development methodologies, and quality benchmarks
  • Manage technical budget allocation within approved R&D budget

Technical Strategy & Innovation

  • Provide technical expertise to support the Regional Managing Director’s business development efforts
  • Lead technical due diligence for partnerships identified by regional leadership
  • Define APAC-specific technical requirements based on regional needs
  • Drive innovation in areas unique to APAC markets
  • Own technical documentation and developer education initiatives

Supporting Business Development

  • Serve as senior technical resource for customer meetings arranged by the RMD
  • Conduct technical deep-dives and proof-of-concepts for enterprise prospects
  • Partner with sales team to articulate technical value propositions
  • Ensure successful technical implementation for customers acquired by business team
  • Provide technical input for pricing and commercial discussions when requested

Technical Ecosystem Development

  • Represent Nethermind at technical conferences and developer forums
  • Build relationships with technical leaders at partner organizations
  • Lead technical partnerships with educational and enterprise research institutions
  • Manage developer community engagement and open-source contributions
  • Support the RMD in building Nethermind’s technical reputation in APAC

What You Bring:

Essential Experience

  • 8+ years in technical product management and/or engineering leadership roles
  • 5+ years working in APAC markets with understanding of regional technical requirements
  • Proven track record of shipping enterprise products and scaling engineering teams
  • Experience building and leading distributed teams of 20+ engineers
  • Deep technical expertise in distributed systems, with blockchain experience preferred
  • Track record of supporting business growth through technical excellence

Technical Expertise

  • Strong foundation in distributed systems, cryptography, and consensus mechanisms
  • Understanding of blockchain architecture, smart contracts, and DeFi protocols
  • Familiarity with AI/ML systems and their intersection with blockchain
  • Ability to architect systems for enterprise-grade reliability and scale
  • Experience with cloud infrastructure and modern engineering practices

Leadership Qualities

  • Collaborative approach to working with business leadership
  • Strong technical communication skills for both internal teams and external stakeholders
  • Ability to balance technical excellence with business priorities
  • Cultural awareness to effectively manage teams across diverse APAC markets
  • Commitment to Nethermind’s mission and values

Reporting Structure

  • Reports to: APAC Regional Managing Director
  • Dotted Line: Global CEO (Prev. Co-CTO) - Daniel Celeda
  • Direct Reports: APAC Engineering Managers, Product Managers, Technical Leads (Team to be assembled and/or built)
  • Key Internal Stakeholders: Business Group Managers, Engineering, Global Product, Business Development

Working with the Regional Managing Director

As a key member of the APAC leadership team reporting to the Regional Managing Director, you will:

  • Execute Technical Vision: Implement the technical components of the regional strategy
  • Enable Business Growth: Provide technical expertise to support business development
  • Manage Technical Operations: Own day-to-day engineering and product decisions within strategic framework
  • Advise on Technical Matters: Serve as the RMD’s technical advisor for strategic decisions
  • Represent Technical Excellence: Be the senior technical voice in customer and partner meetings

The RMD sets the overall regional strategy and business targets, while you ensure technical execution excellence and product delivery to meet those objectives.

Compensation Philosophy

We offer an entrepreneurial compensation package that aligns your success with Nethermind’s growth in APAC. While our base salary is competitive, the real opportunity lies in building significant wealth through equity participation and performance-based incentives. We’re looking for leaders who see beyond immediate compensation to the massive value creation opportunity in building APAC’s blockchain infrastructure.

Location & Travel

  • Base: Singapore preferred (flexible for exceptional candidates in Hong Kong, Tokyo, Seoul)
  • Travel: 30-40% across APAC region
  • Work Style: Remote-first

Why Nethermind?

  • Mission: Building a safe, borderless world with Blockchain and AI
  • Technology: Work with cutting-edge blockchain and AI technologies
  • Team: Collaborate with world-class engineers from top companies
  • Impact: Shape how enterprises across APAC adopt blockchain technology
  • Growth: Join at the inflection point of massive regional expansion

Our Commitment to Diversity

At Nethermind, we celebrate diversity and are committed to creating an inclusive environment for all team members. We believe a variety of perspectives drives innovation and leads to better solutions for the blockchain community.

Ready to Join Us?

If you’re passionate about blockchain and eager to make an impact, we’d love to hear from you. Click Apply for this job to start your journey with Nethermind.

Permalink

Winnables Remote - Europe Based
Job Description: Winnables.com is looking for a creative front-end-leaning Full Stack Developer who loves bringing slick, engaging user experiences to life while still caring about the behind-the-scenes details. You’ll collaborate closely with designers and product leads, iterate quickly on new ideas, and see the direct impact of your work in the hands of players around the world. If you enjoy mixing imaginative front-end polish with just enough back-end know-how to make the magic happen, we’d love to hear from you. Key Responsabilities: Transform design mock-ups and product concepts into polished, responsive game screens, animations, and flows. Collaborate daily with designers, product leads, and blockchain engineers to prototype, ship, and iterate on new games or new features.

Job Description:

Winnables.com is looking for a creative front-end-leaning Full Stack Developer who loves bringing slick, engaging user experiences to life while still caring about the behind-the-scenes details.

You’ll collaborate closely with designers and product leads, iterate quickly on new ideas, and see the direct impact of your work in the hands of players around the world.

If you enjoy mixing imaginative front-end polish with just enough back-end know-how to make the magic happen, we’d love to hear from you.

Key Responsabilities:

  • Transform design mock-ups and product concepts into polished, responsive game screens, animations, and flows.
  • Collaborate daily with designers, product leads, and blockchain engineers to prototype, ship, and iterate on new games or new features.
  • Continuously test, debug, and optimize for performance across devices and network conditions.
  • Review code, share best practices, and help keep our small codebase clean, secure, and easy to extend.
  • Use player feedback and analytics to refine existing features and guide new ideas from concept to launch.
  • Champion accessibility and web-standards compliance, ensuring every player—regardless of device or ability—has a first-class experience.

What You’ll Be Building

  • Build interactive mini-games that deliver smooth, responsive gameplay.
  • Create real-time multiplayer features and live game mechanics.
  • Develop pack-opening systems with eye-catching, engaging animations.
  • Engineer raffle and lottery-style games that are fully on-chain and provably fair.
  • Implement Plinko and other physics-based games, tuned for fun and balance.
  • Craft user-friendly interfaces that perform flawlessly across mobile, tablet, and desktop.

Requirements

Tech Stack:

  • Core: TypeScript · React & Next.js · Node.js · Zustand · WebSockets & REST
  • Data & Infra: PostgreSQL (Supabase) · Redis · Docker · GitHub
  • Observability: Grafana · PostHog
  • Design & Web3: Figma · viem / wagmi

What We're Looking For

  • Strong experience with TypeScript and modern JavaScript
  • Solid understanding of React and Next.js ecosystem
  • Experience building real-time applications with WebSockets
  • Familiarity with Node.js backend development
  • Knowledge of PostgreSQL and database design
  • Experience with responsive design and mobile-first development
  • Understanding of state management patterns (Zustand experience preferred)
  • Understanding of web security fundamentals (CSRF protection, secure authentication flows, input validation)
  • Interest in gaming mechanics and interactive user experience.

Nice to Have

  • Experience with gaming or interactive application development
  • Knowledge of blockchain technologies and Web3 integration
  • Familiarity with monitoring tools (Grafana, PostHog)
  • Experience with Docker and containerization
  • Understanding of real-time multiplayer game architecture

Benefits

  • Work From Home

Company Description:

Winnables.com is on a mission to re-imagine iGaming through full on-chain transparency. We believe players deserve provably fair odds, transparent math, and no black-box RNGs. Every spin and ticket purchase is recorded immutably on Ethereum, so anyone can audit the outcome, track prize pools, or even build their own analytics on top of our contracts.

All of our games are designed and engineered 100% in-house by a small, senior team that blends game design, cryptography, and smart-contract security. We currently operate two flagship experiences:

  • Raffles – transparent prize drawings where every ticket lives on-chain, letting players verify fairness before and after the draw.
  • Loot Packs – blockchain-powered loot boxes that reveal randomized rewards with engaging pack-opening animations.

We’re still just getting started. The roadmap is full of green-field challenges—and real, measurable impact on an industry ripe for change. Join us and help craft the next generation of fair, fun, and truly player-owned gaming.

Apply Now:

Permalink

Blockstream Remote
Blockstream was founded in 2014 by Dr. Adam Back and a group of fellow cryptographers and engineers passionate about Bitcoin and its potential to change the future of finance. Focusing on building fundamental Bitcoin infrastructure, Blockstream quickly grew into one of the leading technology power houses of the industry. At Blockstream, we’re building solutions on Bitcoin that will disrupt the existing financial system. We imagine a world where individuals and businesses can easily access a global, permissionless system to secure their money, use it every day, and invest it or put it to work. In pursuit of our expansive vision, we’ve built a full stack of innovative products on top of the Bitcoin protocol, from layer-2 projects like Liquid and Core Lightning, to end-user software and hardware wallets like Green and Jade. Our brand stands for innovation in the Bitcoin community, and we’re growing our team to accelerate the future. We are seeking an experienced Embedded C D

Blockstream was founded in 2014 by Dr. Adam Back and a group of fellow cryptographers and engineers passionate about Bitcoin and its potential to change the future of finance. Focusing on building fundamental Bitcoin infrastructure, Blockstream quickly grew into one of the leading technology power houses of the industry. At Blockstream, we’re building solutions on Bitcoin that will disrupt the existing financial system. We imagine a world where individuals and businesses can easily access a global, permissionless system to secure their money, use it every day, and invest it or put it to work. In pursuit of our expansive vision, we’ve built a full stack of innovative products on top of the Bitcoin protocol, from layer-2 projects like Liquid and Core Lightning, to end-user software and hardware wallets like Green and Jade. Our brand stands for innovation in the Bitcoin community, and we’re growing our team to accelerate the future. We are seeking an experienced Embedded C Developer to help build and maintain the firmware for a Bitcoin hardware wallet. You’ll work on a security-critical embedded platform, integrating cryptographic functionality with low-level drivers and secure communication interfaces.What You’ll Be Doing (Responsibilities):

Develop, test, and maintain firmware for a Bitcoin hardware wallet using C on embedded systems. Work with low-level hardware interfaces: I2C, SPI, UART/Serial, DMA, and BLE, USB Host/Guest. Implement and optimize secure communication protocols and key management. As applicable, develop for and collaborate with the testing team to ensure the device works reliably over BLE and USB serial on Windows, macOS, Linux, Android, and iOS. Participate in design and security reviews of firmware components. Keep dependencies and submodules up to date and compatible. Work closely with Bitcoin protocol engineers to ensure accurate, secure implementation of core functionality.

What We Look For In You (Required Qualifications):

5+ years of C development experience, including direct interaction with memory and registers. 5+ years of experience on embedded systems (bare metal or RTOS). Strong understanding of embedded communication protocols (I2C, SPI, Serial). Experience writing or debugging BLE integrations. Experience developing and testing over serial and BLE interfaces across desktop and mobile platforms. Experience with low level/embedded GUI development. Experience with multithreading/thread safety/locking

Nice To Haves (Preferred Qualifications):

Experience with esp-idf on the ESP32 series platform. Experience in Bitcoin protocol development or applications. Familiarity with Liquid/Elements sidechains. Security background: familiarity with cryptography (DH, symmetric/asymmetric encryption, digital signatures, etc), HSMs, secure key storage, and threat models. Experience working with DMA-driven data pipelines. Contributions to Bitcoin Core, Elements, or similar open-source projects.

 

Apply Now:

Permalink

Toogeza Remote
We are seeking a talented Middle / Senior Ethereum Developer with a deep understanding of financial markets and experience in trading to join our client team. Arkis is a DeFi prime brokerage protocol for institutional borrowers and lenders to interact in a zero-trust environment. Lenders get decentralized, secure credit provision vehicles with whitelisting, guaranteed repayment flow, and the maintenance of benefits from over-collateralization due to control over assets within the ecosystem. As an Ethereum Developer, you will be responsible for developing and maintaining smart contracts and decentralized applications (DApps) on the Ethereum blockchain. Your expertise in financial markets, combined with your knowledge of key protocols such as Pendle, CurveFi, 1inch, AaveV3, Morpho, will be instrumental in creating innovative solutions for their platform. Your

We are seeking a talented Middle / Senior Ethereum Developer with a deep understanding of financial markets and experience in trading to join our client team.

Arkis is a DeFi prime brokerage protocol for institutional borrowers and lenders to interact in a zero-trust environment. Lenders get decentralized, secure credit provision vehicles with whitelisting, guaranteed repayment flow, and the maintenance of benefits from over-collateralization due to control over assets within the ecosystem.

As an Ethereum Developer, you will be responsible for developing and maintaining smart contracts and decentralized applications (DApps) on the Ethereum blockchain. Your expertise in financial markets, combined with your knowledge of key protocols such as Pendle, CurveFi, 1inch, AaveV3, Morpho, will be instrumental in creating innovative solutions for their platform.

Your future responsibilities:

  • Design, develop, and deploy smart contracts and DApps on the Ethereum blockchain.

  • Collaborate with cross-functional teams to gather requirements and implement efficient and secure solutions.

  • Stay up-to-date with the latest developments in Ethereum and decentralized finance (DeFi) to leverage cutting-edge technologies and protocols.

  • Integrate and interact with various DeFi protocols such as Pendle, CurveFi, 1inch, AaveV3, Morpho

  • Write clean, well-documented, and efficient code to ensure the reliability and scalability of our applications.

  • Conduct thorough testing and debugging to identify and resolve any issues or vulnerabilities.

  • Optimize smart contracts and DApps for gas efficiency and cost-effectiveness.

  • Continuously monitor and improve the performance and security of the Ethereum-based systems.

  • Provide technical guidance and mentorship to junior developers when required.

Requirements:

  • Strong proficiency in Solidity programming language and experience with Ethereum development tools (Foundry, Hardhat etc).

  • In-depth knowledge of financial markets, trading strategies, and investment principles.

  • Familiarity with key DeFi protocols such as Pendle, CurveFi, 1inch, AaveV3, Morpho.

  • Experience in designing and implementing secure smart contracts and DApps.

  • Solid understanding of blockchain fundamentals and Ethereum’s architecture.

  • Knowledge of other blockchain platforms (Ethereum, Base etc.).

  • Proficient in using Git for version control and collaborative development.

  • Ability to work independently and in a team environment, collaborating effectively with other developers, designers, and stakeholders.

  • Strong problem-solving skills and attention to detail.

  • Excellent communication and documentation skills.

Preferred Qualifications:

  • Knowledge of privacy-preserving technics & modern cryptography

  • Experience of using protocols for applied cryptography (zkSNARK, zkSTARK, etc)

  • Familiarity with automated testing frameworks for smart contracts

  • Contributions to open-source projects in the Ethereum ecosystem

    Interview stages:

  • Interview with a recruiter

  • Interview with a Tech lead

  • Interview with a CTO on general technical topics

  • Сulture fit interview

We’ll review your CV and everything you have sent us within five working days. If your background meets our needs — we’ll set up a call to get to know each other better. Otherwise, we aren’t quite ready for you at this moment. But no worries — our journey has just started, and we’d love to stay in touch as our team grows and more opportunities emerge. We wish you the best of luck with your aspiration.

Apply Now:

Permalink

Serokell Remote
Serokell is a fast-growing, fully remote software development company that works on innovative solutions for complex problems. We’re packed full of adventurous, curious, and inclusive folks who want to build cutting-edge software with modern technologies like functional programming. This position is open now with a July start. This is a project-based hire with the option to extend if it is a good match. Submit your CV and we’ll reach out promptly. We’re seeking a middle to senior level Solidity Developer to join a team of fierce and fun Serokellers. Hiring Process Overview: We invite candidates to the HR screening as the first step. Next, we conduct a technical interview with those whose profiles align with our requirements. Successful candidates will receive an offer. Requirements: Fluency with Ethereum or another EVM-based blockchain ecosystem 2+ years in software develop

Serokell is a fast-growing, fully remote software development company that works on innovative solutions for complex problems. We’re packed full of adventurous, curious, and inclusive folks who want to build cutting-edge software with modern technologies like functional programming.

This position is open now with a July start. This is a project-based hire with the option to extend if it is a good match. Submit your CV and we’ll reach out promptly.

We’re seeking a middle to senior level Solidity Developer to join a team of fierce and fun Serokellers.

Hiring Process Overview: We invite candidates to the HR screening as the first step. Next, we conduct a technical interview with those whose profiles align with our requirements. Successful candidates will receive an offer.

Requirements:

  • Fluency with Ethereum or another EVM-based blockchain ecosystem
  • 2+ years in software development
  • 1+ years experience writing, testing, and deploying Solidity contracts
  • Hands-on experience with Hardhat, Foundry, Truffle, or Remix for development, testing, and debugging, including transaction submission, data retrieval, and key management
  • Understanding of security issues and best practices for Ethereum and De-Fi applications
  • Knowledge of popular token standards such as ERC-20, ERC-721, and ERC-1155
  • Experience developing and integrating decentralized applications, both backend and frontend
  • Basic understanding of cryptography primitives: public/private keys, signing, encryption, hashing
  • Knowledge of fundamental algorithms and data structures like hash tables, binary search trees, DFS, quicksort
  • Strong coding practices, including clean code structure, use of git, pull requests, and code review
  • Fluent English, strong communication and collaboration skills
  • Comfortable with daily stand-ups and asynchronous updates
  • Self-driven, proactive, teamwork-oriented, curious and inclusive mindset
  • Full-time commitment, around 140–160 hours per month
  • Comfortable overlapping with team time zones from UTC 0 to UTC -8

It will be a significant plus if you have:

  • Knowledge of TypeScript, Haskell, Rust, or OCaml
  • Experience conducting security audits and identifying vulnerabilities
  • Understanding of computer networks, HTTP, TCP/IP stack, and data synchronization models used in modern service APIs
  • Familiarity with build/deploy automation tools and CI/CD systems such as Docker, Nix, Kubernetes

Responsibilities:

  • Create and implement secure and efficient Solidity contracts, ensuring scalability, reliability, and maintainability
  • Integrate contracts with EVM blockchain networks, often involving backend or frontend work
  • Review and audit code
  • Develop and execute unit tests, integration tests, and end-to-end tests
  • Write detailed documentation for code, including design specs, user guides, and API documentation
  • Stay updated on the latest developments in Solidity, Ethereum, and EVM-related technologies, cryptographic methods, and relevant programming languages
  • Optimize code performance and gas efficiency
  • Implement and enforce security best practices to protect contracts from common vulnerabilities
  • Provide ongoing support and maintenance for deployed applications, addressing user-reported issues and bugs

We offer:

  • Competitive salary.
  • Engaging international projects.
  • Participation in leading global conferences.
  • International and multicultural teams.
  • Fully remote work with flexible hours.
  • Ability to take time off as needed.
  • Investment in career and professional growth, with potential for wage increases.
  • Mentoring and training programs.
  • Opportunity to contribute to a leading functional programming blog.
  • Therapy sessions for well-being support.

By joining Serokell, you’ll become part of a warm community of ingenious engineers, computer scientists, designers, marketing experts, and other inventive minds. You’ll work on ambitious projects building the next generation of computer software, explore creative initiatives unhindered by bureaucracy, and enjoy our vibrant Slack channels—ranging from #music to #philosophyandtears (did we mention the massive custom emoji set?).

Permalink

MLabs Remote
We're looking for an experienced Blockchain Developer to take part in developing our decentralized exchange (DEX) platform. Your role will be crucial in implementing smart contracts and ensuring a secure blockchain environment. We are hiring for this new role, as the team in expanding quickly and we're seeing exciting growth ahead. Key Responsibilities: Design, develop and maintain smart contracts on Ethereum, Hyperledger, and other blockchain platforms Build decentralized applications (dApps) that utilize smart contracts Collaborate with other team members to design and implement new features and functionalities for our blockchain-based products Participate in code reviews and ensure that all code is of high quality and adheres to security best practices Help to maintain and improve the performance of our existing blockchain-based products Stay

We're looking for an experienced Blockchain Developer to take part in developing our decentralized exchange (DEX) platform. Your role will be crucial in implementing smart contracts and ensuring a secure blockchain environment. We are hiring for this new role, as the team in expanding quickly and we're seeing exciting growth ahead.

Key Responsibilities:

  • Design, develop and maintain smart contracts on Ethereum, Hyperledger, and other blockchain platforms
  • Build decentralized applications (dApps) that utilize smart contracts
  • Collaborate with other team members to design and implement new features and functionalities for our blockchain-based products
  • Participate in code reviews and ensure that all code is of high quality and adheres to security best practices
  • Help to maintain and improve the performance of our existing blockchain-based products
  • Stay up-to-date with the latest developments in blockchain technology and research new technologies that can be applied to our products
  • Provide technical expertise on blockchain-related matters to internal teams and external clients

  • Strong experience with one or more programming languages, such as Solidity, Rust, Go, and C++
  • Familiarity with smart contract development and the Ethereum Virtual Machine (EVM) and Solana
  • Knowledge of blockchain platforms such as Ethereum, Hyperledger, and Bitcoin
  • Understanding of distributed systems and cryptography
  • Familiarity with web3 technologies like web3.js, Metamask, Infura, etc.
  • Experience with consensus algorithms like PoW, PoS, PoA, dBFT, etc.
  • Experience with security best practices for smart contract and dApp development
  • Strong problem-solving skills and ability to think creatively
  • Strong passion for blockchain technology and its potential to change the world
  • Excellent collaboration skills in a remote work environment using tools like Jira and GitLab.
  • Competitve Salary and Bonuses (negotiable, based on skills and expereince)
  • Generous paid time off
  • Flexibility on location and time zone
  • Flexible working hours

How to Apply:Please apply if you think you would be suitable for this role. We look forward to your application and the opportunity to welcome you to our team.

Due to the high volume of applications we anticipate, we regret that we are unable to provide individual feedback to all candidates. If you do not hear back from us within two weeks of your application, please assume that you have not been successful on this occasion. We genuinely appreciate your interest and wish you the best in your job search.

Commitment to Equality and Accessibility:At MLabs, we are committed to offer equal opportunities to all candidates. We ensure no discrimination, accessible job adverts, and providing information in accessible formats. Our goal is to foster a diverse, inclusive workplace with equal opportunities for all. If you need any reasonable adjustments during any part of the hiring process or you would like to see the job-advert in an accessible format please let us know at the earliest opportunity by emailing email.

MLabs Ltd collects and processes the personal information you provide such as your contact details, work history, resume, and other relevant data for recruitment purposes only. This information is managed securely in accordance with MLabs Ltd’s Privacy Policy and Information Security Policy, and in compliance with applicable data protection laws. Your data may be shared only with clients and trusted partners where necessary for recruitment purposes. You may request the deletion of your data or withdraw your consent at any time by contacting email.

Apply Now:

Permalink

Stellar Remote
🗓  Tue, Jun 24 Backbone.js Blockchain Crypto Cryptography Decentralized Systems Developer relations Ethereum Infrastructure JavaScript Node.js Python Rust Solana Solidity 401k Company retreats FSA HSA Health/medical insurance Vision insurance
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 a part of the Developer Experience Team, you will work on the products that help developers onboard and create applications on the Stellar Network. Our team builds a few applications, some of them being Stellar Laboratory, Stellar CLI and the Stellar Javascript SDK. You will play a pivotal role as a visionary technical leader, shaping and innovating the tools that serve as the backbone of our customers' experiences. This role has a direct impact in making the Stellar tooling the best in the indus

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 a part of the Developer Experience Team, you will work on the products that help developers onboard and create applications on the Stellar Network. Our team builds a few applications, some of them being Stellar Laboratory, Stellar CLI and the Stellar Javascript SDK. You will play a pivotal role as a visionary technical leader, shaping and innovating the tools that serve as the backbone of our customers' experiences. This role has a direct impact in making the Stellar tooling the best in the industry and will be working very closely with our Product and Developer Relations teams. In this role, you will join our Developer Experience team, focusing on Stellar CLI development for the Stellar Network. You will have the opportunity to collaborate with a passionate, mission-driven team dedicated to empowering developers and advancing open financial infrastructure worldwide. In this role, you will:

Lead the design, development, and maintenance of the Stellar CLI Collaborate closely with Product and Developer Relations teams to enhance developer experience Innovate and improve existing tools for all projects under the DevX umbrella Develop and enhance smart contract tooling capabilities within the Stellar ecosystem to support secure, scalable decentralized application development Contribute to making Stellar tooling the best in the industry Mentor junior engineers and provide technical leadership Collaborate with Platform, DevRel and Ecosystem engineering teams to ensure we are shipping pragmatic solutions Engage with the developer community to gather feedback and implement improvements

You have:

6+ years of professional software engineering experience with a focus on developer tools or infrastructure Proficiency in Rust with a track record of developing and maintaining production-grade systems Experience building and maintaining client applications or libraries Sound backend development skills, including expertise in application development best practices and hands-on experience with at least one server-side language (e.g., Go, Python, Node.js) Exposure to smart contract development ecosystems, including tools, frameworks, and security best practices (experience with platforms like Solana, Ethereum, or Stellar smart contracts is a plus). Familiarity with blockchain technology and cryptography concepts Exceptional problem-solving abilities paired with clear, collaborative communication skills A passion for simplifying complex technical concepts into intuitive, developer-friendly tools and workflows

Bonus Points if:

Experience with open-source project management Knowledge of the Stellar Network and its ecosystem Familiarity with other programming languages (e.g., Python, Javascript, Go) Understanding of financial technology and decentralized systems Bonus: Has written smart contracts in Rust or Solidity (Rust preferred)

We offer competitive pay with a base salary range for this position of $170,000 - $260,000 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

LI-Hybrid

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:

Permalink

Overclock Labs Austin, Texas
Want to build the future of the Internet?  Akash Network is developing the world’s first and only decentralized cloud computing marketplace, enabling any data center to become a cloud provider by offering unused compute cycles in a safe and frictionless marketplace. As more of our work and play moves to the cloud, we are materializing the vision of the first decentralized cloud in an industry projected to reach $370 billion by 2022. Join the team, enabling the builders of the future with greater access and freedom to expand the human experience. Our team includes renowned open source and blockchain developers, and seasoned experts from leading technology and platform companies. We are a remote-first, distributed, and growing team, and we offer unparalleled growth opportunities at the intersection of blockchain, cloud, and Web 3.0. The Role:
Want to build the future of the Internet?  Akash Network is developing the world’s first and only decentralized cloud computing marketplace, enabling any data center to become a cloud provider by offering unused compute cycles in a safe and frictionless marketplace. 
As more of our work and play moves to the cloud, we are materializing the vision of the first decentralized cloud in an industry projected to reach $370 billion by 2022. Join the team, enabling the builders of the future with greater access and freedom to expand the human experience. Our team includes renowned open source and blockchain developers, and seasoned experts from leading technology and platform companies. 
We are a remote-first, distributed, and growing team, and we offer unparalleled growth opportunities at the intersection of blockchain, cloud, and Web 3.0.
The Role:
As a Software Engineer at Overclock Labs (Akash Network), you’ll work on core components of our decentralized cloud infrastructure, contributing to both the Akash blockchain and its surrounding ecosystem. This is a hands-on engineering role that combines systems thinking with an eagerness to learn and grow. You'll help drive features forward from design through implementation and will gain exposure to the latest in distributed systems, container orchestration, and Web3 technologies.
This role is ideal for someone with strong foundational experience in backend development and infrastructure who is looking to grow in their career.

Role Requirements:

    • 3+ years of professional software development
    • 3-6 years working in Golang and JavaScript/Node.js (Python optional)
    • Past experience with C and C++ is preferred 
    • BSc or higher in Computer Science (or BSc with relevant experience) in software engineering
    • Knowledge of systems design concepts and distributed computing
    • Keen eye for modeling scenarios in reproducible test environments
    • Experience with distributed systems and/or container orchestration
    • Experience in key security concepts: cryptography, key/certificate management, identity, and access management
    • Experience with test-driven development and the use of testing frameworks
    • Experience developing complex web applications/services and backend APIs
    • You possess an innate curiosity, are a strong advocate for the best engineering practices, and thrive on learning new technologies
    • You take a pragmatic approach to developing clean solutions to complex problems
    • Strong communication skills, specifically giving/receiving constructive feedback in a collaborative setting
    • While open source contributions themselves are a strong nice-to-have, the team develops in open source and uses Git workflows, so you must have proven ability to develop and understand git workflows and the full SDLC in this type of environment
    • Ability to stay communicative while working remotely and asynchronously

Nice to Have:

    • Notable open-source contributions in GitHub
    • Experience in building decentralized Web 3.0 and blockchain technologies
    • Familiarity with Cosmos SDK, Tendermint, and Kubernetes

Sphere of Impact:

    • Working with the VP of Core Engineering and the Core Engineering team to create and manage the architectural vision for the cloud roadmap at Akash
    • Responsible for the technical design and collaborative teamwork towards the delivery of new features in the cloud and chain portions of the product roadmap
    • Implementing resilient and scalable systems to achieve extremely high reliability for the Akash blockchain
    • Working with community contributors on support issues in the Node and Provider repos. 
    • Continuously raise our standard of engineering excellence by implementing and driving best practices for coding, testing, and deployment
$90,000 - $150,000 a year

Apply Now:

Permalink

Caiz Remote
Caiz Revolutionizing Islamic Finance with Blockchain Technology Are you ready to be part of a groundbreaking initiative that combines Islamic finance principles with cutting-edge blockchain technology? Look no further than Caiz – The First Islamic Ecosystem Built on Blockchain At Caiz, our mission is clear: to create a Fiqh compliant financial ecosystem that provides our community with fair and easy access to ethical financial products and services. We believe in empowering individuals to build a strong financial future while engaging in long-term economically beneficial behavior. Our native coin, Caizcoin, that fuels the Caizblockchain. With Caizcoin, you can make seamless payments, store value, and interact with a range of ethical financial products we are developing. The centerpiece of our ecosystem is the innovative Caizapp, giving users complete control over their digital ass

Caiz

Revolutionizing Islamic Finance with Blockchain Technology

Are you ready to be part of a groundbreaking initiative that combines Islamic finance principles with cutting-edge blockchain technology?

Look no further than Caiz – The First Islamic Ecosystem Built on Blockchain

At Caiz, our mission is clear: to create a Fiqh compliant financial ecosystem that provides our community with fair and easy access to ethical financial products and services. We believe in empowering individuals to build a strong financial future while engaging in long-term economically beneficial behavior.

Our native coin, Caizcoin, that fuels the Caizblockchain. With Caizcoin, you can make seamless payments, store value, and interact with a range of ethical financial products we are developing. The centerpiece of our ecosystem is the innovative Caizapp, giving users complete control over their digital assets.

We are a passionate team reshaping finance, and we are expanding our dynamic workforce. Join us in a collaborative work environment focused on creating a fast and compliant money transfer structure.

Why to Join Caiz?

  • Innovative & Purpose-Driven: At Caiz, we combine advanced blockchain technology with the principles of Islamic finance to create an innovative and modern financial system. Join us to be part of a forward-thinking organization that is reshaping the future of finance.
  • Ethical Impact: As part of Caiz, you'll be working in an Organization that prioritizes ethics and integrity in all its operations, ensuring that every solution we offer aligns with the core values of fairness, transparency, and respect.
  • Growth & Learning Opportunities: At Caiz, we value personal and professional growth. You'll have the opportunity to learn, innovate, and grow within a dynamic, supportive environment, while contributing to the development of ethical financial solutions.
  • Global Vision, Local Impact: Caiz is focused on creating an inclusive, sustainable financial system that empowers individuals globally. You’ll be contributing to a company that has a positive impact on local communities and the global financial landscape.
  • Collaborative Culture: We believe in teamwork and collaboration. You'll work alongside passionate professionals who are committed to driving change in the crypto and blockchain space, working together to create an ethical financial future.
  • Secure & Transparent Environment: We emphasize trust and security in all aspects of our operations. As part of Caiz, you’ll be part of a transparent organization that values customer trust and ensures the highest security standards in the crypto space.

Tasks

We are looking for a highly skilled Blockchain Developer with expertise in Solidity and Rust to join our growing engineering team. You will play a key role in developing and optimizing smart contracts, blockchain protocols, and DeFi components that power the Caiz ecosystem.

As part of the core blockchain development team, you’ll work on both Ethereum-compatible smart contracts and Rust-based custom chain logic, contributing to secure, scalable, and innovative blockchain infrastructure.

Responsibilities:

  • Design, develop, and deploy smart contracts using Solidity on EVM-compatible blockchains.
  • Build and maintain Rust-based blockchain modules, such as on Substrate or Solana-compatible platforms.
  • Contribute to the design of custom blockchain protocols and token standards.
  • Write secure, gas-optimized, and thoroughly tested smart contracts.
  • Collaborate with frontend and backend teams to integrate blockchain components into products.
  • Conduct code reviews, audits, and vulnerability assessments for blockchain code.
  • Analyze and improve the performance, security, and scalability of the Caiz blockchain.
  • Stay up-to-date with the latest developments in blockchain technologies, including new EIPs, cryptographic primitives, and layer-2 solutions.

Requirements

Experience:

  • 3+ years of experience in blockchain development with hands-on coding in Solidity and Rust.
  • Strong understanding of smart contract design, blockchain architecture, cryptography, and consensus mechanisms.
  • Experience developing and deploying smart contracts on Ethereum or similar EVM chains.
  • Proficiency in Rust for blockchain environments such as Substrate or Solana.
  • Familiarity with Web3.js, Ethers.js, Hardhat, Truffle, and related tools.
  • Understanding of DeFi protocols, token standards (ERC-20, ERC-721, etc.), and layer-1/layer-2 ecosystems.
  • Experience with version control systems (Git) and CI/CD workflows.
  • Strong problem-solving skills and ability to write clean, maintainable code.

Preferred Skills

  • Experience in building or contributing to a Layer 1 or Layer 2 blockchain.
  • Knowledge of blockchain security best practices and audit processes.
  • Exposure to zero-knowledge proofs (ZK), rollups, or cross-chain bridges.
  • Experience in working within agile or startup environments.
  • Understanding of Islamic finance or Sharia-compliant financial principles is a plus.

Level of studies: Bachelor’s degree in Computer Science, Software Engineering, Mathematics, or a related technical field.

(A Master’s degree or equivalent experience in blockchain development is a plus.)

Language Requirements: Fluent in English

Benefits

Benefits at Caiz:

  • Competitive Financial Compensation: We offer financial benefits that reflect the value of your work and dedication.
  • Work Flexibility: Enjoy the flexibility to work from home, the office, or even abroad.
  • Annual Holidays: Generous paid time off to help you maintain a healthy work-life balance.
  • Relocation Assistance: We provide relocation support for employees moving to new locations.
  • Professional Development: Opportunities for training, certifications, and career growth.
  • Employee Recognition: Programs to celebrate and reward your achievements and contributions.
  • Inclusive & Collaborative Culture: A supportive and diverse work environment where your voice matters.
  • Diversity, Equality, and Inclusion: We are committed to fostering a workplace that values diversity and promotes equality and inclusion for all employees.

Don't miss this opportunity – apply now and be part of the Caiz revolution.

Apply Now:

Permalink

Stellar Remote
🗓  Tue, Jun 17 Backbone.js Blockchain Crypto Cryptography Decentralized Systems Developer relations JavaScript Node.js Python Rust TypeScript 401k Company retreats FSA HSA Health/medical insurance Vision insurance
As a part of the Developer Experience Team, you will work on the products that help developers onboard and create applications on the Stellar Network. Our team builds a few applications, some of them being Stellar Laboratory, Stellar CLI and the Stellar Javascript SDK. You will play a pivotal role as a visionary technical leader, shaping and innovating the SDKs that serve as the backbone of our customers' experiences. This role has a direct impact in making the Stellar tooling the best in industry and will be working very closely with our Product and Developer Relations teams. In this role, you will join our Developer Experience team, focusing on Javascript SDK development for the Stellar Network. As a key member of this team, you’ll be responsible for designing and owning the Stellar Javascript SDK, a critical tool that enables developers to build applications on the Stellar Network. In this role, you will: Lead the design, development, and maintenance of the

As a part of the Developer Experience Team, you will work on the products that help developers onboard and create applications on the Stellar Network. Our team builds a few applications, some of them being Stellar Laboratory, Stellar CLI and the Stellar Javascript SDK. You will play a pivotal role as a visionary technical leader, shaping and innovating the SDKs that serve as the backbone of our customers' experiences. This role has a direct impact in making the Stellar tooling the best in industry and will be working very closely with our Product and Developer Relations teams. In this role, you will join our Developer Experience team, focusing on Javascript SDK development for the Stellar Network. As a key member of this team, you’ll be responsible for designing and owning the Stellar Javascript SDK, a critical tool that enables developers to build applications on the Stellar Network. In this role, you will:

Lead the design, development, and maintenance of the Stellar Javascript SDK Collaborate closely with Product and Developer Relations teams to enhance developer experience Innovate and improve existing tools for all projects under the DevX umbrella. Contribute to making Stellar tooling the best in the industry Mentor junior engineers and provide technical leadership Engage with the developer community to gather feedback and implement improvements

You have:

5+ years of professional software development experience JavaScript experience, API design Experience with SDK development, bundlers and babel Experience building and maintaining client applications or libraries Expertise in Backend Development: Strong proficiency in Node.js, TypeScript/JavaScript best practices, along with experience in at least one other server-side language Familiarity with blockchain technology and cryptography concepts Excellent problem-solving and communication skills Making complicated things easier to use

Bonus Points if (optional):

Experience with open-source project management Knowledge of the Stellar Network and its ecosystem Familiarity with other programming languages (e.g., Python, Rust) Understanding of financial technology and decentralized systems

We offer competitive pay with a base salary range for this position of $170,000 - $260,000 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:

Permalink

Whatnot Remote
🚀 Join the Future of Commerce with Whatnot!  Whatnot is the largest livestream shopping platform in North America and Europe to buy, sell, and discover the things you love. We’re re-defining e-commerce by blending community, shopping, and entertainment into a community just for you. As a remote co-located team, we’re inspired by innovation and anchored in our values. With hubs in the US, UK, Ireland, Poland, and Germany, we’re building the future of online marketplaces—together. From fashion, beauty, and electronics to rare collectibles like trading cards, comic books, and even live plants, our live auctions have something for everyone. And we’re just getting started! As one of the fastest growing marketplaces, we’re looking for bold, forward-thinking problem solvers across all functional areas. Check out the latest Whatnot updates on our news and engineering blogs and join us as we enable anyone to turn their passion into a business, and bring people together through com

🚀 Join the Future of Commerce with Whatnot!  Whatnot is the largest livestream shopping platform in North America and Europe to buy, sell, and discover the things you love. We’re re-defining e-commerce by blending community, shopping, and entertainment into a community just for you. As a remote co-located team, we’re inspired by innovation and anchored in our values. With hubs in the US, UK, Ireland, Poland, and Germany, we’re building the future of online marketplaces—together. From fashion, beauty, and electronics to rare collectibles like trading cards, comic books, and even live plants, our live auctions have something for everyone. And we’re just getting started! As one of the fastest growing marketplaces, we’re looking for bold, forward-thinking problem solvers across all functional areas. Check out the latest Whatnot updates on our news and engineering blogs and join us as we enable anyone to turn their passion into a business, and bring people together through commerce. 💻 Role You will work in cross-functional, multidisciplinary teams, allowing you to directly shape the security and integrity of our user account systems. Your goal will be to minimize risk and potential abuse by ensuring robust authentication, authorization, and access controls across our environment. You will empower other teams to move fast without compromising user trust by delivering secure-by-default infrastructure, scalable permissioning systems, and reliable storage for sensitive user data. Your designs, code, and ideas will contribute to solving some of the most complex technical challenges we face today and help define future engineering initiatives. Some sample projects you might work on are: 

Authentication Authorization Permissions Access control systems across the environment Building a secure storage for PII user data

👋 You Curious about who thrives at Whatnot? We’ve found that embodying a low ego, growth mindset, and high-impact drive goes a long way here. As our next Software Engineer, you should have 5+ years of infrastructure engineering experience, building scalable systems that can handle millions of users, plus:

Experience with large distributed systems handling substantial traffic Previous experience at a hyper-growth startup. You’re a self-starter who can hit the ground running with little direction. Self-driven with result-oriented mindset Excellent communication and writing skills. Exceptional coding skills and the ability to ship new products lightning-fast. We primarily use Python, Elixir, JavaScript, but previous knowledge of each is not required. Knowledge in areas like cryptography, networking, authentication, and authorization is crucial. Experience in implementing security measures such as encryption, access controls, data minimization, and regular audits to safeguard PII. Nice to have a prior experience in a public cloud environment (AWS, GCP) using Kubernetes, Docker, and/or Terraform. Nice to have a startup experience at high-growth companies.

💛 EOE Whatnot is proud to be an Equal Opportunity Employer. We value diversity, and we do not discriminate on the basis of race, religion, color, national origin, gender, sexual orientation, age, marital status, veteran status, parental status, disability status, or any other status protected by local law. We believe that our work is better and our company culture is improved when we encourage, support, and respect the different skills and experiences represented within our workforce.

Apply Now:

Permalink