Analyst, Data Analyst, or similar role, preferably in the blockchain or fintech industry. - Strong understanding of DeFi protocols, smart contracts, and blockchain technology (e.g., Ethereum, Solana, Layer 2 solutions). - Proficiency in data analysis tools (e.g., SQL, Python, Excel) and blockchain analytics platforms (e.g., Dune Analytics, Glassnode). - Experience with More ❯
and are up to date with all that is new and modern in the industry. We have worked with popular crypto projects on the Ethereum and Binance Smart Chain. We pride ourselves on being the perfect solution to all your blockchain/cryptocurrency needs. Role Description: Backend pro efficient in More ❯
showcases Hands-on experience with smart contracts (Solidity, Rust) or blockchain protocols Personal projects or open-source contributions in the Web3 ecosystem Understanding of Ethereum, Solana, or other L1/L2 chains Strong coding skills in JavaScript, Python, or similar Willingness to relocate to a global innovation hub 💡 Nice to More ❯
end development. Strong proficiency in JavaScript, HTML5, and CSS3. Experience with modern JavaScript frameworks (React, Vue.js, or Angular). Familiarity with Web3 technologies, including Ethereum, smart contracts, and dApps. Experience integrating blockchain wallets (e.g., MetaMask) into web applications. Knowledge of responsive design principles and cross-browser compatibility. Proficiency in version More ❯
critical security decisions. Excellent problem-solving and communication skills. Experience managing security teams and working cross-functionally with engineering. 💡 Good to have: Experience with Ethereum, Bitcoin, Solana, or other Level 1 blockchain networks. Knowledge of zero-knowledge proofs (ZKPs), and other advanced blockchain security concerns. Certifications such as CISSP, CEH More ❯
critical security decisions. Excellent problem-solving and communication skills. Experience managing security teams and working cross-functionally with engineering. 💡 Good to have: Experience with Ethereum, Bitcoin, Solana, or other Level 1 blockchain networks. Knowledge of zero-knowledge proofs (ZKPs), and other advanced blockchain security concerns. Certifications such as CISSP, CEH More ❯
about. The role is based in the office for five days a week with flexible start times. Industry Exposure Linux Engineering, Trading, Quant, Blockchain, Ethereum, Tokens, Coins, C++, Java, Node.js, Go, Python, dYdX, Kyber, 0x, and MakerDAO. More ❯
professional engineering experience working in a collaborative product-driven environment At least 3+ years of smart contract development experience Deployed multiple smart contracts to Ethereum mainnet or an EVM compatible chain that secured substantial user funds Deep understanding of Solidity and the EVM Active participant in the blockchain ecosystem as More ❯
and GraphQL APIs from mobile Experience with off-line features on mobile Passion for writing clean and testable code Nice to Have Experience with Ethereum Web3 frameworks and technologies, especially on mobile Knowledge/experience working on mobile cryptocurrencies/wallets Experience developing mobile financial applications Experience with animations and More ❯
and lead technical strategies. Set coding standards, mentor engineers, and enhance automated testing. Improve databases, microservices, and system reliability. Blockchain expertise is a plus (Ethereum, Solana, C2PA). Requirements: 7+ years of full-stack development experience. Proficiency in Python, JavaScript, Typescript (C# preferred). Expertise in secure systems, distributed architectures More ❯
london, south east england, United Kingdom Hybrid / WFH Options
Opus Recruitment Solutions
and lead technical strategies. Set coding standards, mentor engineers, and enhance automated testing. Improve databases, microservices, and system reliability. Blockchain expertise is a plus (Ethereum, Solana, C2PA). Requirements: 7+ years of full-stack development experience. Proficiency in Python, JavaScript, Typescript (C# preferred). Expertise in secure systems, distributed architectures More ❯
trading infrastructure and services within the decentralised finance sector. Our mission is to foster an open, transparent financial system through their contributions to the Ethereum blockchain and beyond. They seek a Software Engineer with a strong background in STEM and a passion for software development. While experience with low latency More ❯
london (city of london), south east england, United Kingdom
Selby Jennings
trading infrastructure and services within the decentralised finance sector. Our mission is to foster an open, transparent financial system through their contributions to the Ethereum blockchain and beyond. They seek a Software Engineer with a strong background in STEM and a passion for software development. While experience with low latency More ❯
of Bitfinex's blockchain infrastructure Create good quality policies, procedures and technical documentation Minimum Requirements Previous experience in interacting with blockchain nodes (ie. Bitcoin, Ethereum) Strong passion for Bitcoin and other cryptocurrencies Advanced Node/JavaScript skills Familiar with microservices architecture and REST APIs Ability to quickly learn new technologies More ❯
Manchester, Lancashire, United Kingdom Hybrid / WFH Options
Bitfinex
of Bitfinex's blockchain infrastructure. Create good quality policies, procedures and technical documentation. Minimum Requirements Previous experience in interacting with blockchain nodes (ie. Bitcoin, Ethereum). Strong passion for Bitcoin and other cryptocurrencies. Advanced Node/JavaScript skills. Familiar with microservices architecture and REST APIs. Ability to quickly learn new More ❯
Problem-solving mindset, able to tackle challenges and optimize solutions in a fast-paced environment Nice-to-Haves Experience with web3 libraries (ethers.js, go-ethereum, etc.) Familiarity with Hexagonal Architecture Experience within a trading environment Must be a UK Citizen Company Culture and Values Ambition: We aim to conquer an More ❯
relevant experience is acceptable. Understand the volatile nature of the blockchain industry. Strong communication skills across all levels of the organization. Blockchain: Understand the Ethereum blockchain, EIPs, Tokens, and advanced Solidity programming. 10-15 years of technical work experience in public blockchain development. Other Requirements: We follow a hybrid work More ❯
3+ years), Node.js Experience with Cypress/WDIO (3+ years) Experience with Git and Github Knowledge of software QA methodologies Experience with Dapps and Ethereum tech Experience with Detox Experience with automation for mobile apps Flexible working with office based in Central London (W11) Benefits: 4 weeks of paid holiday More ❯
and testable code Experience in designing complex systems (architecture, design patterns, reliability and scaling) Nice to Have: Experience with any web3 libraries (ethers.js, go-ethereum, etc ) Experience with Hexagonal Architecture Experience in Financial/Capital Markets Skills and personality: Professional proficiency in English, French is a plus Interest in algorithmic More ❯
access, and comprehensive data and commission management. With $11+ billion in crypto assets staked through our platform, Kiln has established a strong presence on Ethereum, managing over 4.5% of the network through 50,000+ validators - all with zero slashing events. Kiln serves more than 140 leading customers, including Binance, BitPanda More ❯
a challenging and rewarding role. Strong programming skills in Python, with a focus on backend development and data processing. Familiarity with blockchain technologies like Ethereum, Polkadot, or Bittensor is a plus, providing an opportunity to expand your expertise in innovative tech. More ❯
They are a small team but are all driven by innovation and the chance to work in Web3. You will work on Smart Contract (Ethereum) development and build blockchain infrastructure with consensus. You will also build Web3 UI Components using TypeScript/JavaScript. The key requirements are: 2+ years of … experience working in Blockchain Ethereum/Smart Contract Development TypeScript/JavaScript Web3 UI Components Chainlink-based oracles Liquidity Solutions NFTs Having experience working in a start-up is also a huge plus! They are looking for smart & driven people who are passionate about engineering & want to be involved in More ❯
They are a small team but are all driven by innovation and the chance to work in Web3. You will work on Smart Contract (Ethereum) development and build blockchain infrastructure with consensus. You will also build Web3 UI Components using TypeScript/JavaScript. The key requirements are: 2+ years of … experience working in Blockchain Ethereum/Smart Contract Development TypeScript/JavaScript Web3 UI Components Chainlink-based oracles Liquidity Solutions NFTs Having experience working in a start-up is also a huge plus! They are looking for smart & driven people who are passionate about engineering & want to be involved in More ❯
Assets team. This role is focus on research, development, and deployment of high quality mid- to high-frequency quantitative trading strategies across Cryptocurrencies (Bitcoin, Ethereum, Tether, and Ripple), Digital Securities and NFTs. Incredible opportunity to become a core member of a market leading buy-side team, take full ownership of More ❯
Assets team. This role is focus on research, development, and deployment of high quality mid- to high-frequency quantitative trading strategies across Cryptocurrencies (Bitcoin, Ethereum, Tether, and Ripple), Digital Securities and NFTs. Incredible opportunity to become a core member of a market leading buy-side team, take full ownership of More ❯