1 to 25 of 31 Permanent Ethereum Jobs in the UK

automated validators, staking & DeFi protocols 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 4.3% of the network through 45,000+ validators - all with zero slashing events. Kiln serves more than 140 leading customers, including Binance, BitPanda, Bitgo, Fireblocks, VanEck, and TrustWallet. More ❯

automated validators, staking & DeFi protocols 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, Bitgo, Fireblocks, VanEck, and TrustWallet. More ❯

Deep knowledge of backend development, including RESTful APIs, databases, and secure infrastructure practices. Hands-on experience with smart contract development in Solidity (EVM) or Rust (SVM). Familiarity with Ethereum, Solana, or similar blockchain ecosystems, and tools like Hardhat, Foundry, Anchor, etc. Experience working with Web3 libraries and tools such as ethers.js, web3.js, or wagmi. A strong sense of ownership More ❯

emerging technologies, and advancements in the field of blockchain. Requirements: Proven experience as a Blockchain Developer or in a similar role. Proficiency in various blockchain technologies and protocols (e.g., Ethereum, Hyperledger, Binance Smart Chain). Strong programming skills, preferably in languages like Solidity, Go, or C++. Hands-on experience with smart contract development and deployment. Sound understanding of consensus algorithms More ❯

attitude to deliver Demonstrates presentation, communication and summarization skills You will bring: Hands-on experience developing proof-of-concepts and pilots in at least one of the blockchain platforms: Ethereum, Hyperledger, Multi-chain. Experience in Open source tools and an understanding of cryptocurrencies. Understanding of various distributed consensus methodologies (Mining, PoS, etc) and knowledge of layer 2 solutions (e.g. ZKP More ❯

while working on innovative projects. Role Details The Role: Based in the office 5 days a week Flexible start times Preferred specializations include Linux Engineering, Trading, Quantitative Analysis, Blockchain, Ethereum, Tokens, Coins, C++, Java, Node.js, Go, Python, dYdX, Kyber, 0x, and MakerDAO. More ❯

junior developers and provide technical leadership Research and evaluate new blockchain technologies and frameworks Requirements 5+ years of experience in software development with 3+ years in blockchain Expertise in Ethereum, Solidity, and Web3.js Experience with other blockchain platforms (Hyperledger, Polkadot, etc.) Strong understanding of cryptography and blockchain security Knowledge of financial systems and regulations Bachelor's or Master's degree More ❯

to regulated financial institutions or capital markets infrastructure Bonus: Experience with enterprise integrations, custody APIs, or compliance toolkits Nice to have: Rust reading fluency (writing not required), experience on Ethereum or Cosmos Why join R3 Labs? Work at the intersection of Web3 innovation and institutional-grade infrastructure Influence how the next generation of tokenized assets is built and traded More ❯

z2bz0 years of 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 a user Experience owning multi month long More ❯

in automated testing at unit, integration and system level. Experience with CI/CD platforms, ideally gitlab. An Interest in crypto currencies and the leading blockchain technologies, such as Ethereum and Bitcoin. Experience in Fintech/Banking is highly desirable. What's in it for you? Our people are constantly striving to be the best through operational excellence. The professional More ❯

Position We are seeking a motivated Blockchain Developer passionate about cutting-edge technology and earning potential. This role is fully remote and involves working with technologies such as Blockchain, Ethereum, Tokens, Coins, C++, Java, Node.js, Go, Python, dYdX, Kyber, 0x, and MakerDAO. Role Description The position offers a salary of £130,000 and is with a high-profile client, a More ❯

Hands-on technical background, with expertise in areas like protocol design , low-latency systems , or order books . Comprehensive understanding of blockchain technologies, including smart contracts and platforms like Ethereum or Solana . Familiarity with DeFi protocols such as decentralized exchanges, lending platforms, or other relevant ecosystems. Adept at balancing the technical details needed to work with engineering teams with More ❯

frameworks Habit of writing clean 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 JavaScript/TypeScript/Go languages Interest in More ❯

projects building exciting new products in a startup environment. We have a capable and passionate team. You will find teammates who are power DeFi users, intense NFT collectors, Bitcoin & Ethereum knowledge nerds, etc. You can learn and debate everything on crypto with our teammates. We are not backed by VC funding, and we are already profitable. Our financial independence means More ❯

non-technical audiences. Experience in security research, including vulnerability discovery and exploit development. Bonus Points Experience working with Bitcoin or its forks (Bitcoin Cash, etc.). Experience working with Ethereum clients. Experience with Cosmos SDK and solid understanding of Tendermint. Experience with IBC (Inter-Blockchain Communication). Experience working with consensus protocols. Basic knowledge of cryptographic primitives such as public More ❯

rapid growth in your company (from startup to mid-size). You've built growth experiments or A/B tests. You have experience with Blockchains (such as Bitcoin, Ethereum etc ) You've worked with Golang, Ruby, Docker, Rails, Postgres, MongoDB or Redshift. You've built financial, high reliability or security systems. ID - P71060 Pay Transparency Notice: The target annual More ❯

blockchain industry and manage the expectations and work based on the ups and downs. Strong communication skills across all levels of the organization. Blockchain: understand the detail of the Ethereum blockchain: how it works, EIPs, Tokens, popular DeFi solutions, advanced Solidity programming including assembly 10-15 years of technical work experience across various technical departments including proven experience in public More ❯

blockchain industry and manage the expectations and work based on the ups and downs. Strong communication skills across all levels of the organization. Blockchain: understand the detail of the Ethereum blockchain: how it works, EIPs, Tokens, popular DeFi solutions, advanced Solidity programming including assembly 10-15 years of technical work experience across various technical departments including proven experience in public More ❯

regulatory requirements and internal policies. Minimum of 5 years of experience in cryptocurrency trading, sales, or a related field within financial services. Strong knowledge of cryptocurrency markets, including Bitcoin, Ethereum, and altcoins, as well as familiarity with blockchain technology. Proven track record of building and maintaining client relationships in a fast-paced trading environment. Excellent understanding of trading platforms, order More ❯

including Shell, Barclays, and the United Nations - spanning sectors such as finance, supply chain, aviation, and healthcare. Applied Blockchain is also the creator of Silent Data, a high-performance Ethereum Layer 2 technology that enables programmable privacy for blockchain applications, from tokenisation platforms to enterprise systems. Recognised for its impact and industry leadership, the company helps shape how blockchain is More ❯

by pursuing your passions. Role Description The position is remote, allowing for flexibility and convenience. Skills Required Proficiency in the following areas is essential: C++ Engineering Trading Quant Blockchain Ethereum Tokens Coins Additionally, knowledge of the following languages and platforms is advantageous: C++ Java Node.js Go Python dYdX Kyber 0x MakerDAO More ❯

to architect secure, maintainable, and testable Front-End code. 3. Familiarity with Blockchain Experience with blockchain technologies, including: Proficiency in client-side signing and handling crypto transactions (e.g., Bitcoin, Ethereum). Familiarity with Web3 libraries (such as web3.js, ethers.js) and wallet integrations. Experience with decentralized applications (dApps) and understanding of blockchain protocols. More ❯

and is seeking a passionate Director of Product Design to shape the design strategy and team for this world-changing business. The Company Leading player in the world of Ethereum Virtual Machine (EVM) Smart Contracts Extensive company funding allows for truly ground-breaking experimentation A diverse, international team working from anywhere in the world Extensive benefits, bonuses and share options More ❯

a network of aggregated blockchains via the Agglayer, secured by Ethereum. As public infrastructure, the Agglayer will bring together user bases and liquidity for any connected chain, and leverage Ethereum as a settlement layer. Polygon Labs has also contributed to the core development of several widely-adopted scaling protocols and tools for launching blockchains, including Agglayer CDK, Polygon PoS & Katana. More ❯

Golang, Postgres, MongoDB You've built financial, high reliability or security systems You have experience with Coinbase products and/or you have experience with Blockchains (such as Bitcoin, Ethereum etc ) You have gone through a rapid growth in your company (from startup to mid-size) You have experience decomposing a large monolith into microservices You are passionate about blockchain More ❯