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Cork
Remote
Job overview:
We’re looking for a Front-End Developer to join our team as we bring Cork to market and build out the product and developer ecosystem. This role is ideal for a developer who is not only skilled in front-end engineering and Web3 development but also has experience in designing onboarding funnels, managing product analytics, and building compelling data displays to optimize user activation, conversion and retention.
Key Responsibilities:
- Front-End Development: Build, maintain, and optimize our React/Next.js-based Web3 front-end.
- Web3 Integration: Implement smooth user interactions with smart contracts using ethers.js, viem, wagmi, and other Web3 libraries.
- User Experience Optimization: Identify and reduce friction in user flows based on behavioral data, funnel drop-off points, and user feedback.
- Performance Optimization: Enhance UI/UX speed, responsiveness, and accessibility.
- Ad-hoc Product Support: Provide insights on feature prioritization, UX design improvements, and A/B testing strategies.
Requirements
- 5+ years of experience in front-end development; 2+ years in blockchain preferred
- Proficiency in complex ABI-encoded data structures, including nested structs and dynamic types, handling decimals and rounding.
- Experience working with the Permit2 and ability to efficiently batch multiple on-chain calls using Multicall or similar meta-transactions
- Ability to filter smart contract event logs, identify storage slots for simulating smart contract calls and async loading using react.lazy, suspense and dynamic imports.
- Strong background with timeseries data with proficiency in rendering charts of different granularity using libraries like ECharts, AntV.vision, or ApexCharts
- Experience working with RESTful APIs and GraphQL Data Management techniques such as Schema Stitching, Subscriptions and Client-side Caching.
- Proven experience designing onboarding funnels and improving user activation and usage based on user behavior
- Understanding of UI/UX principles and ability to implement high-quality, conversion-optimized interfaces.
- Ability to work independently in a fast-moving, startup-like environment.
OpenSea
US
OpenSea is looking to hire a Staff Frontend Engineer to join their team. This is a full-time position that can be done remotely anywhere in the United States.
OpenSea - The world's first and largest web3 marketplace for NFTs and crypto collectibles.
About Us Zora is a new kind of on-chain social network where you can express yourself freely, connect with others, and discover the value of your imagination. We believe that by using crypto, we can enable a more equitable system for creators, fundamentally rediscovering the power of the internet. We’re working tirelessly to make Zora available to as many people as possible with a simple, fun, and rewarding consumer app. Our mission is to make creating on the internet free and valuable. Who we're looking for ZORA is looking for an experienced senior / staff backend engineer to help design, implement, and extend the ZORA API and indexing services. What You’ll Do
Design and develop scalable backend platforms and foundational frameworks that enable product teams to ship quickly and reliably. Drive architectural decisions and long-term planning for Zora’s core backend systems, particularly APIs and indexing infrastructure. Collaborate with cross-functional platform teams (frontend, backend, infrastructure) to define KPIs, align on priorities, and evolve the engineering roadmap. Partner closely with product engineering teams to surface platform gaps and lead the development of high-leverage, reusable solutions. Mentor engineers across teams, sharing platform knowledge and raising the technical bar through code reviews, documentation, and pairing.
Skills We’re Looking For
Strong expertise in Python, particularly with asynchronous programming (asyncio). Deep understanding of Ethereum RPCs, smart contract interactions, and blockchain indexing patterns. Solid experience designing and implementing GraphQL APIs. Hands-on experience with Temporal or similar workflow orchestration systems. Practical experience working with databases such as Redis, MongoDB, and Postgres. Proven ability to take ownership of complex systems and drive projects from concept to production. Strong communication and collaboration skills, with a focus on cross-team alignment and support. Demonstrated mentorship skills and a commitment to helping teammates grow.
Nice to Have
8+ years of backend engineering experience, ideally with time spent in platform or infrastructure-facing roles. Background in Web3 or crypto, with familiarity in indexing blockchain data or interacting with EVM-compatible networks. Experience operating at scale, including building high-throughput, low-latency APIs and systems with strong consistency requirements. Familiarity with authentication and identity tools (e.g. Privy) and infrastructure/DevOps workflows. Broader engineering experience across frontend or infrastructure domains is a plus.
Benefits ZORA provides top quality medical, dental, and vision insurance, with a flexible time-off policy and a new Macbook Pro for full-time employees. Employees also receive equity. Location ZORA is international. Our headquarters are the internet and we have employees all over the world. We’re currently in Atlanta, Berlin, Lisbon, Los Angeles, New York, San Francisco, Sydney, and Vancouver.
Apply Now:
Ready to be pushed beyond what you think you’re capable of?
At Coinbase, our mission is to increase economic freedom in the world. It’s a massive, ambitious opportunity that demands the best of us, every day, as we build the emerging onchain platform — and with it, the future global financial system.
To achieve our mission, we’re seeking a very specific candidate. We want someone who is passionate about our mission and who believes in the power of crypto and blockchain technology to update the financial system. We want someone who is eager to leave their mark on the world, who relishes the pressure and privilege of working with high caliber colleagues, and who actively seeks feedback to keep leveling up. We want someone who will run towards, not away from, solving the company’s hardest problems.
Our work culture is intense and isn’t for everyone. But if you want to build the future alongside others who excel in their disciplines and expect the same from you, there’s no better place to be.
Coinbase is seeking aspiring 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, dockerized infrastructure running in the cloud.
The Consumer Product Group engineers strive to make the Coinbase retail app the easiest-to-use and fastest experience for accessing the crypto. Wallet is the future of web3 and of Coinbase. Suite of products include: Coinbase app, advance trade, dapps, and staking.
Join Coinbase's Country Expansion team to influence the future of cryptocurrency adoption in the UK. Collaborate with the Country Director, Product Managers, and cross-functional teams to customize the Coinbase app, tailoring it to the UK market and strategically shaping Coinbase's presence through innovative features and a customer-first approach.
What you'll be doing:
- You will write high quality, well tested code to meet the needs of your customers
- You will execute scoped technical tasks end-to-end to help Coinbase fulfill its mission to increase economic freedom in the world
- You will independently take ownership over the completion and quality of your tasks and projects
- Show bias for action, and data-driven decisions to experiment new solutions as fast as possible
- You will be collaborating with the Country Manager, other engineers, product managers and designers at Coinbase
What we look for in you:
- You have graduated university with internship and industry experience
- You write high quality, well tested code
- You build resilient and scalable micro-services
- You’re excited about tackling complex problems and getting things done
- You have experience executing technical tasks and projects end-to-end
- You’re passionate about building an open financial system that brings the world together.
- You're an excellent written and verbal communicator in English
- This role is required to be in the UK
Nice to haves:
- You have at least 1+ years of experience with Golang, Protobuff, GRPC, GraphQL, MongoDB, Docker, Ruby on Rails.
- You’ve worked on engineering teams in the finance space
- You are passionate about blockchain technology and a power user of crypto exchange applications or dapps
Job #: GCBE03UK
Please be advised that each candidate may submit a maximum of four applications within any 30-day period. We encourage you to carefully evaluate how your skills and interests align with Coinbase's roles before applying.
Commitment to Equal Opportunity
Coinbase is committed to diversity in its workforce and is proud to be an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, creed, gender, national origin, age, disability, veteran status, sex, gender expression or identity, sexual orientation or any other basis protected by applicable law. Coinbase will also consider for employment qualified applicants with criminal histories in a manner consistent with applicable federal, state and local law. For US applicants, you may view the Know Your Rights notice here. Additionally, Coinbase participates in the E-Verify programin certain locations, as required by law.
Coinbase is also committed to providing reasonable accommodations to individuals with disabilities. If you need a reasonable accommodation because of a disability for any part of the employment process, please contact us at accommodations[at]coinbase.com to let us know the nature of your request and your contact information. For quick access to screen reading technology compatible with this site click here to download a free compatible screen reader (free step by step tutorial can be found here).
Global Data Privacy Notice for Job Candidates and Applicants
Depending on your location, the General Data Protection Regulation (GDPR) and California Consumer Privacy Act (CCPA) may regulate the way we manage the data of job applicants. Our full notice outlining how data will be processed as part of the application procedure for applicable locations is available here. By submitting your application, you are agreeing to our use and processing of your data as required. For US applicants only, by submitting your application you are agreeing to arbitration of disputes as outlined here.
Apply Now:
About Wildcat
Wildcat is an Ethereum protocol revolutionizing on-chain credit with an innovative, undercollateralized borrowing solution. Our mission is to lead this market by enabling borrowers to create, customize, and manage credit facilities in a more transparent, efficient, and secure environment. Borrowers can tailor their credit demand to suit their needs. Designed for sophisticated participants in both traditional finance (TradFi) and DeFi, Wildcat is committed to transforming on-chain credit and unlocking more efficient, customized solutions in decentralized finance.
Working for Wildcat
As a Full-Stack Developer, you will be driving the technical evolution of Wildcat’s undercollateralized lending platform. You’ll work across the front-end and back-end while integrating Ethereum smart contracts to deliver an intuitive, secure, and high-performance user experience. Leveraging your experience in agile development and DeFi best practices, you will play a central role in shaping the platform’s architecture, features, and scalability. You’ll collaborate closely with the founding team, product manager, and other developers to ensure Wildcat remains at the forefront of on-chain undercollateralized credit innovation.
Responsibilities
Front-End Development
- Build user interfaces using React/TypeScript, creating responsive and intuitive designs.
- Maintain code quality through modular architecture, consistent coding standards, and performance optimization.
- Collaborate with designers and product managers to refine user flows and deliver new features seamlessly.
Back-End Development
- Develop Node.js services to power Wildcat’s undercollateralized lending protocol.
- Create and optimize APIs (REST/GraphQL) and integrate databases (e.g., PostgreSQL, PouchDB) for efficient data handling.
- Contribute to infrastructure decisions, including evaluating serverless vs. containerized setups and refining CI/CD pipelines.
Testing Setup
- Establish robust testing strategies (unit, integration, end-to-end) for front-end and back-end components.
- Automate testing workflows using tools like Jest, React/Vue Testing Library, and ensure consistent coverage for critical DeFi logic.
- Champion security best practices, helping to identify vulnerabilities early in the development lifecycle.
Integration with Ethereum
- Leverage ethers.js or wagmi to integrate Solidity contracts into the web application, handling wallet connections and transaction flows.
- Use Hardhat or Foundry for local development, contract deployment, and thorough on-chain testing.
- Ensure stability and security in all on-chain interactions, collaborating closely with the protocol team to maintain reliable DeFi operations.
Requirements
- Proven Full-Stack Experience: 5+ years building production-grade applications across front-end (React/Vue) and back-end (Node.js, REST/GraphQL, PostgreSQL).
- Ethereum & Web3 Knowledge: Familiarity with Solidity contracts, EVM fundamentals, and libraries like ethers.js. Experience setting up local test environments (Hardhat/Foundry) is a plus.
- Security & DeFi Mindset: Ability to design and implement secure coding practices for high-stakes financial systems, including an understanding of undercollateralized lending risks.
- Testing & Deployment Proficiency: Comfortable with automated test frameworks (Jest, Hardhat/Foundry) and modern CI/CD pipelines (GitHub Actions, Netlify/Vercel, Docker).
- Agile & Self-Directed: Demonstrated ability to handle multiple priorities, propose solutions, and deliver results within an iterative, remote-first environment.
- Collaboration & Communication: Strong written and verbal communication in a distributed team (EU time zones). Proficiency in working cross-functionally with designers, product managers, and marketers.
- Technical Leadership & Mentorship: Experience making architectural decisions, reviewing code, and guiding less-experienced developers. Stay current on Ethereum and decentralized lending trends, bringing valuable insights to the team.
What We Offer
- Impact & Ownership: Influence the direction of an innovative DeFi protocol and see your contributions directly shape the Wildcat ecosystem.
- Cutting-Edge Work: Collaborate with seasoned experts in DeFi and TradFi at the intersection of blockchain, finance, and technology.
- Remote Flexibility: Join a globally distributed team with flexible work arrangements, primarily aligned with EU hours.
- Competitive Compensation: Receive a competitive salary (in crypto or fiat) and potential equity/token allocation based on company growth.
- Growth & Development: Access to ongoing learning opportunities and a front-row seat to the latest advancements in decentralized finance.
Apply Now:
Neutrl Labs
Dubai
Quantitative Software Engineer
Globally Remote / Engineering / DeFi ProtocolWho We Are
We are building a cutting-edge delta-neutral trading protocol that captures volatility and yield across BTC, ETH, and liquid altcoins through advanced basis trading, OTC liquidity strategies, and perpetual derivatives.
By combining market-neutral strategies and innovative hedging solutions, we provide unparalleled capital efficiency for institutional and advanced traders. Our team has deep experience from leading crypto protocols, traditional finance firms, and exchanges, backed by top-tier investors and partners. We are creating the next generation of yield-optimised trading infrastructure for the digital asset markets.
What We Are Building
We are pioneering a delta-neutral, volatility-driven trading infrastructure designed to enable scalable exposure to major digital assets while managing directional risk. Our protocol integrates:
- Delta-Neutral Strategies: Leveraging basis trades, funding rate arbitrage, and hedging for consistent, market-neutral yield.
- OTC Integration: Discounted asset acquisition for cost optimisation and arbitrage opportunities.
- Automated Hedging: Combining perpetual futures, options, and liquidity strategies to minimise risk.
This platform is tailored to institutions, treasuries, and sophisticated market participants looking for capital-efficient yield in the crypto space.
Who We Are Looking For
We are seeking a Quantitative Software Engineer who is excited to work at the intersection of financial innovation and frontier technology. You are a problem-solver who thrives in a fast-paced, zero-to-one environment and have a passion for designing sophisticated trading systems.
You will play a pivotal role in building and optimising the internal trading and arbitrage platform, enabling automated delta-neutral strategies that scale across both centralised exchanges and DeFi markets.
Role Summary
The Quantitative Software Engineer will develop and maintain a high-performance internal trading and arbitrage platform. You will design automated delta-neutral derivative strategies, integrate with smart contracts, and collaborate across teams to deliver robust trading solutions for real-world market conditions.
Key Responsibilities
- Develop and maintain an internal trading and arbitrage platform, focusing on real-time low-latency data capture, order execution, and risk monitoring. Design and implement automated delta-neutral derivative strategies across centralised venues and DeFi smart contracts. Establish secure and efficient connectivity with
- custody providers, centralised exchanges, and OTC desks for seamless trading operations. Optimise systems for
- latency, scalability, and high-performance execution.
- Collaborate with smart contract engineers to integrate delta-neutral strategies within DeFi ecosystems.
- Build internal monitoring tools to track risk, funding rates, and arbitrage opportunities
- in real-time. Work cross-functionally with other engineers and quantitative analysts to drive product innovation.
Qualifications
- Minimum 2 years’ professional experience at a reputable crypto trading firm, hedge fund, DeFi protocol, or digital asset exchange, with a proven track record of delivering high-quality trading systems in production environments.
- Expert-level proficiency in Python programming, with demonstrable experience in architecting, developing, and maintaining robust, high-performance trading systems. Experience with advanced Python libraries (e.g., NumPy, pandas, asyncio, websockets) and hands-on exposure to asynchronous, event-driven programming is required.
- Proficiency in Rust/C++/Go is highly desirable, including experience in building performance-critical components, low-latency systems, or integrating low latency modules with Python applications.
- Hands-on experience with market-making engines or quantitative trading platforms, including system design, order management, strategy implementation, and real-time risk management. Familiarity with order book dynamics, liquidity provisioning, and exchange connectivity (REST/WebSocket APIs, FIX protocol, etc.) is essential.
- Deep understanding of networking, CPU and memory models, and low-level programming concepts, including multi-threading, concurrency, and performance profiling. Experience with optimizing system resource usage and troubleshooting latency or throughput bottlenecks is required.
- Familiarity with Solidity and blockchain fundamentals, including smart contract development, security best practices, wallet integration, and decentralised infrastructure (e.g., EVM-compatible chains, Layer 2 scaling solutions, bridges).
- Demonstrated quantitative and analytical skills, including experience designing, backtesting, and optimizing quantitative trading strategies. Strong grasp of statistics, probability, and time-series analysis; proficiency in using simulation frameworks and data analysis tools.
- Strong understanding of financial markets and market microstructure, especially in the context of crypto assets, derivatives, and DeFi protocols.
- Experience working with large-scale data pipelines and real-time data processing, including ETL design, data validation, and integration with cloud-based or distributed systems (e.g., Kafka, Redis, TimescaleDB).
- Comfortable with DevOps practices, including containerization (Docker), CI/CD pipelines, infrastructure-as-code, and monitoring/alerting tools.
- Ability to work collaboratively in a remote-first, fast-paced environment, including excellent communication skills, self-motivation, and the capacity to manage multiple priorities and deliver under tight deadlines.
- Fluent in English, both written and spoken, with the ability to clearly explain complex technical concepts to both technical and non-technical stakeholders.
- Bachelor’s degree or higher in Computer Science, Mathematics, Engineering, Physics, or a related quantitative discipline is strongly preferred.
Our Engineering Stack
- Frontend: React, Next.js, Wagmi, Viem, TailwindCSS.
- Backend: Python, Solidity, SQL, GraphQL, Docker, AWS, Ethereum.
What We Offer
- Competitive Salary: Commensurate with experience.
- Globally remote working opportunities with flexible hours.
- An opportunity to build the next generation of yield-optimised trading infrastructure in crypto.
- Collaboration with a world-class team driving innovation in delta-neutral strategies and OTC trading.
- The chance to work on a protocol that bridges centralised and decentralised markets, delivering solutions for institutional-grade DeFi.
Why Join Us?
If you are passionate about building automated delta-neutral strategies, low-latency systems, and cutting-edge trading solutions, this is your opportunity to make a real impact. Join us as we transform how institutions capture volatility and yield in the crypto markets.
Apply now and help redefine the future of decentralised capital efficiency.
Noble
Remote
Noble is looking to hire a Front-End Developer to join their team. This is a full-time position that is 100% remote with no geographical restrictions. Work remotely from anywhere.
Noble - Purpose-built for stablecoin issuance.