1 to 25 of 61 Solidity Jobs in London

may occur during protocol deployment. Stack: Infrastructure: AWS/GCP + baremetal, Kubernetes, Terraform/Terragrunt, Prometheus/Thanos, Helm, Hashicorp Vault, FluxCD Software: Golang, Typescript, PostgreSQL Smart-Contract: Solidity, Foundry, OpenZeppelin Requirements: +5 years of background experience in Software or Infrastructure , within a high standard. engineering environment - preferably FinTech or Crypto. Proven experience as a Senior SRE with a More ❯

Smart Contract Engineer - Ethereum, Solidity London/Remote About Clearmatics Clearmatics is a blockchain protocol engineering company that builds decentralised financial market infrastructures that are more open, efficient, and resilient than those serving legacy market structures of today. We have a bold vision for this new market infrastructure - enabling market participants to solve currently unaddressed problems of the real economy … DEX trading & settlement protocols, algorithmic stabilization, data oracles, liquid staking, and more. You will collaborate with researchers, protocol engineers, and Autonity core developers to transform prototypes into production-grade Solidity code and enhance L1 protocol contracts. REQUIREMENTS 4+ years professional experience in software engineering 2+ years smart contract programming experience in Solidity Bachelor's degree in Computer Science or related … Location (City) Resume/CV * Enter manually Accepted file types: pdf, doc, docx, txt, rtf LinkedIn Profile Website Github Profile Twitter Profile StackOverflow Profile Please summarise your experience with Solidity smart contract development. What were your most relevant or significant projects? What were your contributions? What skills and technologies did you employ? * Please describe your level of Python programming and More ❯

Blockchain Developer - Web3/DeFi Innovator - London (Tech stack: Blockchain Developer, Solidity, Node.js, React, HTML5, CSS3, TypeScript, Foundry, Hardhat, Ethereum-based ecosystems, bridging between L1 and L2, NoSQL databases, Git, Agile, Rust, Go, L2 frameworks, Unity, Unreal, GoDot, Programmer, Full Stack Engineer, Architect, Blockchain Developer) We have an exciting new opportunity for a Blockchain Developer to join one of London … engineering team, contributing across the full stack, from writing performant smart contracts to architecting scalable back-ends and beautiful user-facing interfaces. They will provide exposure and training in: Solidity, Node.js, React, HTML5, CSS3, TypeScript, Foundry, Hardhat, Ethereum-based ecosystems, bridging between L1 and L2, NoSQL databases, Git, Agile, Rust, Go, L2 frameworks, Unity, Unreal and GoDot. This is your More ❯

Blockchain Developer - Web3/DeFi Innovator - London (Tech stack: Blockchain Developer, Solidity, Node.js, React, HTML5, CSS3, TypeScript, Foundry, Hardhat, Ethereum-based ecosystems, bridging between L1 and L2, NoSQL databases, Git, Agile, Rust, Go, L2 frameworks, Unity, Unreal, GoDot, Programmer, Full Stack Engineer, Architect, Blockchain Developer) We have an exciting new opportunity for a Blockchain Developer to join one of London … engineering team, contributing across the full stack, from writing performant smart contracts to architecting scalable back-ends and beautiful user-facing interfaces. They will provide exposure and training in: Solidity, Node.js, React, HTML5, CSS3, TypeScript, Foundry, Hardhat, Ethereum-based ecosystems, bridging between L1 and L2, NoSQL databases, Git, Agile, Rust, Go, L2 frameworks, Unity, Unreal and GoDot. This is your More ❯

Social network you want to login/join with: Blockchain Developer - Solidity, west london col-narrow-left Client: Solas IT Recruitment Location: west london, United Kingdom Job Category: Other - EU work permit required: Yes col-narrow-right Job Views: 4 Posted: 31.05.2025 Expiry Date: 15.07.2025 col-wide Job Description: If you are passionate about blockchain technology and thrive in a … dynamic environment, this role offers the opportunity to shape groundbreaking solutions while working remotely. Key Responsibilities Smart Contract Development : Design, develop, and deploy secure and efficient smart contracts using Solidity . Blockchain Integration : Integrate blockchain technology into web and backend systems. Performance Optimization : Optimize applications for speed, scalability, and user experience. Collaborative Development : Work closely with cross-functional teams including … latest blockchain trends and technologies, contributing to new ideas and innovative approaches. Key Qualifications Essential Skills and Experience : Proven experience with Ethereum and related blockchain technologies. Advanced knowledge of Solidity and smart contract development. Experience building RESTful APIs and web applications. Solid understanding of data structures, algorithms, and distributed systems. Experience with software development best practices, including version control (Git More ❯

central services teams work with ventures to help them achieve success; including early stage prototyping and initial product development where this role sits. Your Mission As a Principal Web3 Solidity Engineer at Improbable, you will work with web3 Ventures to help them get to market faster. You will collaborate with their leadership team to design, prototype, and launch initial versions … Provide product feedback to the Somnia Blockchain development team Why You're Made For This We seek an experienced Web3 Engineer with expertise in EVM-based smart contracts using Solidity, Web3 JS/TS libraries for contract interactions, and experience with The Graph. Shipped multiple production-grade dApps built with Solidity Strong hands-on skills with the blockchain development framework … and using wagmi hooks for smart contract integrations Deep understanding of blockchain architecture, token standards (ERC-20, ERC-721, ERC-1155), and non-standard tokens (e.g., USDC) Knowledge of Solidity best practices and common security vulnerabilities Enjoy solving complex problems and working across disciplines Passionate about the web3 community Optional Skills Additional helpful experience includes: Using The Graph protocol to More ❯

Social network you want to login/join with: Blockchain Developer - Solidity, south west london col-narrow-left Client: Solas IT Recruitment Location: south west london, United Kingdom Job Category: Other - EU work permit required: Yes col-narrow-right Job Views: 4 Posted: 31.05.2025 Expiry Date: 15.07.2025 col-wide Job Description: If you are passionate about blockchain technology and thrive … dynamic environment, this role offers the opportunity to shape groundbreaking solutions while working remotely. Key Responsibilities Smart Contract Development : Design, develop, and deploy secure and efficient smart contracts using Solidity . Blockchain Integration : Integrate blockchain technology into web and backend systems. Performance Optimization : Optimize applications for speed, scalability, and user experience. Collaborative Development : Work closely with cross-functional teams including … latest blockchain trends and technologies, contributing to new ideas and innovative approaches. Key Qualifications Essential Skills and Experience : Proven experience with Ethereum and related blockchain technologies. Advanced knowledge of Solidity and smart contract development. Experience building RESTful APIs and web applications. Solid understanding of data structures, algorithms, and distributed systems. Experience with software development best practices, including version control (Git More ❯

and Synthetix. Chainlink Labs was ranked in Newsweek's 100 Most Loved Workplaces 2023 in both the United States and United Kingdom . About the Role As a Senior Solidity/Smart Contract Engineer on the CCIP team, you will develop highly impactful smart contracts that further secure Chainlink CCIP networks, drive on-chain projects end to end and implement … engineering lead on the team. Your Impact: Owning large components of the smart contract architecture that secures Chainlink CCIP Actively participate in leveling up yourself and your peers in Solidity and smart contract development Work closely with fellow engineers to build the end to end experience for your products Work closely with operations to ensure smooth deployment and management of … 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 projects, including communication of progress, dependencies, and risk mitigation directly with stakeholders and More ❯

ll Do Work at the intersection of blockchain protocols and smart contracts, contributing to the design and development of EVM-based systems Write, optimize, and audit smart contracts in Solidity, with a focus on performance, clarity, and security Build and experiment with staking, DeFi, and other protocol-level primitives Leverage tools like Foundry and Hardhat for development, testing, and deployment … PoS mechanisms Familiar with blockchain primitives such as consensus algorithms and cryptography Deep knowledge of EVM internals: execution flow, memory/storage models, gas mechanics, and precompiles Expert in Solidity, with exposure to Yul, Vyper, or Huff (a plus) Solid grasp of DeFi concepts: DEXes, lending protocols, stablecoins, and staking mechanisms Proficient with Foundry, Hardhat, and comfortable working with ethers.js More ❯

stages of the development lifecycle for the Autonity protocol and its blockchain node client (a fork of go-ethereum). These include: Implementing new protocol features in Go and Solidity Developing new distributed systems tests and frameworks Contributing to protocol and design specifications Working with members of the community to resolve issues Your work will ensure that Autonity client is … primitives BONUS POINTS Experience developing on a blockchain node client (preferably Ethereum-like) Knowledge of distributed systems theory obtained from coursework or self-study Smart contract programming experience using Solidity and Web3 APIs Our compensation is blockchain competitive and dependent on your skills & experience. #J-18808-Ljbffr More ❯

central services teams work with ventures to help them achieve success; including early stage prototyping and initial product development where this role sits. Your Mission As a Principal web3 Solidity Engineer at Improbable, you will work with web3 Ventures to help them get to market faster. You will work with their leadership team to design, prototype, and launch initial versions … Blockchain team, providing product feedback to their developers. Why You're Made For This We are seeking an experienced Web3 Engineer with expertise in EVM-based smart contracts on Solidity, Web3 JS/TS libraries for contract interactions, and experience with The Graph. You should have strong hands-on skills with the blockchain development framework Foundry. You've shipped web … for smart contract integrations. You possess a deep understanding of blockchain architecture, token standards (ERC-20, ERC-721, ERC-1155), and non-standard versions (e.g., USDC). Knowledge of Solidity best practices and common security vulnerabilities is essential. You thrive when solving complex, ambiguous problems and enjoy working across disciplines to find the best solutions. You are passionate about the More ❯

Next.js. Integrate Web3 libraries such as Ether.js, Web3.js, and Wagmi. Design and build robust backend systems using Rust, Go, or Node.js. Collaborate with smart contract engineers and contribute to Solidity (EVM) and Rust (Solana) smart contract development. Work closely with the UX design team to bring intuitive interfaces to life. Deploy and manage cloud infrastructure on AWS; use AWS CDK … expertise in Rust, Golang, or Node.js. Frontend proficiency in React and Next.js. Solid experience with Web3 development libraries: Ether.js, Web3.js, Wagmi, etc. Hands-on experience deploying and interacting with Solidity smart contracts (EVM-based). Familiarity with Rust smart contracts for Solana is a big plus. Proven experience with AWS infrastructure (must-have). Experience with AWS CDK (TypeScript) for More ❯

to open-source projects in the Web3 space Experience developing DeFi trading tools or frameworks Proficiency with Python scientific computing stack (NumPy, Pandas, Jupyter) Smart contract programming experience in Solidity Programming experience in a systems language like Go, Rust, or C++ Our compensation is blockchain competitive and dependent on your skills and experience. APPLICATION INSTRUCTIONS Please summarise your experience with More ❯

Social network you want to login/join with: Senior Blockchain Engineer – Smart Contracts, Web3, APIs, Node.js, Go, Rust, Solidity, DeFi – Global Investments – Remote – up to £850 outside IR35 We are working with a growing Global Investment organisation, who are seeking a Senior Blockchain Developer to join their team on a contract basis, supporting the build of a new digital … 5+ years of backend/blockchain development (including 2+ years on live smart contract deployments) Deep understanding of EVM architecture, blockchain consensus, gas mechanics, and DeFi primitives. Proficiency with Solidity and tools such as Hardhat, Ethers.js, Web3.js, or Foundry. Experience integrating blockchain features into real-world financial or investment products. This is an exciting opportunity to work across smart contracts More ❯

central services teams work with ventures to help them achieve success; including early stage prototyping and initial product development where this role sits. Your Mission As a Principal web3 Solidity Engineer at Improbable, you will work with web3 Ventures to help them get to market faster. You will work with their leadership team to design, prototype, and launch initial versions … team and provide product feedback to their developers Why You’re Made For This We are seeking an experienced Web3 Engineer with experience on EVM-based smart contracts in Solidity, Web3 JS/TS libraries for contract interactions with frontend and backend systems, and experience with The Graph. You have strong hands-on skills with the blockchain development framework Foundry. … for smart contract integrations. You have a deep understanding of blockchain architecture, token standards (ERC-20, ERC-721, ERC-1155), and non-standard versions (e.g., USDC). Knowledge of Solidity best practices and common security vulnerabilities. You thrive when solving complex, ambiguous problems and enjoy working across disciplines to find the best solutions. You are passionate about the web3 community. More ❯

existing ones. Our central services teams help ventures succeed, including early-stage prototyping and initial product development, which is where this role sits. Your Mission As a Principal Web3 Solidity Engineer at Improbable, you will collaborate with web3 ventures to accelerate their go-to-market process. You will work with their leadership teams to design, prototype, and launch initial versions … Blockchain team and provide product feedback to their developers. Why You’re Made For This We seek an experienced Web3 Engineer with expertise in EVM-based smart contracts using Solidity, Web3 JS/TS libraries for contract interactions, and experience with The Graph. You have shipped multiple production-grade Dapps using Solidity. You possess strong hands-on skills with the … for smart contract integration. You have a deep understanding of blockchain architecture, token standards (ERC-20, ERC-721, ERC-1155), and non-standard token versions. You are knowledgeable about Solidity best practices and security vulnerabilities. You enjoy solving complex, ambiguous problems and working across disciplines. You are passionate about the web3 community. Optional Skills Additional helpful experience includes: Creating Subgraphs More ❯

in Typescript and Node. 2+ years of experience building scalable solutions on top of AWS or GCP infrastructure. Experience with web3.js or ethers.js, and developing DeFi applications. Familiarity with Solidity development and a passion for DeFi and Web3. Exceptional strategic thinking and creative problem-solving skills with a strong analytical mindset. A deep understanding of the architecture of modern Web3 More ❯

experience level Proficient in utilising cloud infrastructure provided by AWS/GCP/Azure Worked with a variety of EVM chains and Token Standards Familiarity with Solana Experienced with Solidity and frameworks such as Hardhat or Foundry Comfortable working with a high level of ambiguity in a startup-like environment What kind of person succeeds in this role? You are More ❯

FastAPI, JS or TS, SQL, Redis Being open to work with Rust or open to learn it Knowledge of other technologies such as CI/CD, C/C++, Solidity is a plus Familiarity with cloud computing services (e.g. AWS, GCP) is a plus Understanding the basics of spot/futures/options trading is a plus COMPENSATION & PERKS: Full More ❯

Blockchain QA Engineer to join our dynamic team. You will play a crucial role in ensuring the quality and reliability of our blockchain technologies, including Go node clients and Solidity protocol contracts. This position demands a detail-oriented professional who thrives in a fast-paced environment and is passionate about groundbreaking blockchain technology. RESPONSIBILITIES Develop and implement comprehensive QA strategies More ❯

7+ years in enterprise IT or software engineering, including 3+ years with blockchain/DLT. Proficient in Ethereum, Hyperledger, or comparable platforms. Hands-on experience developing smart contracts (e.g., Solidity) and integrating blockchain with enterprise systems. Familiarity with financial services, particularly in asset management and fund distribution. Proven ability to design or evaluate tokenization use cases. Strong communication and stakeholder More ❯

IT - Defi Connectivity Developer - London London About us: B2C2 is a digital asset pioneer building the ecosystem of the future. The firm has unlocked institutional access to crypto by providing reliable liquidity across market conditions. B2C2’s success is built More ❯

WILL DO Design, develop, and maintain full-stack Web3 applications—ranging from user interfaces and APIs to smart contracts and blockchain integrations. Implement smart contracts using languages such as Solidity (EVM) or Rust (SVM), and ensure they are secure, tested, and optimized for performance. Collaborate cross-functionally with engineers, designers, and product stakeholders to define, prototype, and deliver features end … building and shipping Web3 applications to real users. 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 More ❯

The DeFi team is responsible for the balance and attractivity of the Tezos DeFi ecosystem. Even though all team members have a quantitative or engineering background, skillsets extend from solidity expertise, data and quantitative trading, to business development, incentive design and social media advocacy. As a Web3 Technical Lead, your role will be pivotal in ensuring the technical success of … Familiarity with a wide array of EVM infrastructure projects (bridges, node providers, tooling, automation, oracles, auditors...) Proven experience reviewing smart contracts in a production-grade DeFi context. Familiarity with Solidity and the EVM developer ecosystem (Hardhat, Foundry, OpenZeppelin) Humility and strong ability to communicate technical concepts to both devs and product stakeholders. Passionate and opinionated about Web3 and the decentralized More ❯

and bonus structures. Succession planning to CTO Wide salary range depending on experience – Up to £170,000 What you will do Build and test smart contracts like Ethereum and Solidity Contribute to a global development and testing teams. Work with various blockchain technologies Work within an Agile environment. What you will need Excellent knowledge of Python and Django framework. Background More ❯