76 to 100 of 160 Smart Contracts Jobs in London

space. Our Technology Tezos is an open-source platform known for its flexibility, security, and self-amendment capabilities. It’s built to empower developers to create smart contracts and decentralised applications with ease. Today, the Tezos ecosystem is made up of thousands of passionate community members actively involved in various projects and initiatives including the development of … decentralised applications, smart contracts, and educational content. We’re proud to partner with the likes of Manchester United, Ubisoft, and Societe Generale (to name a few). Some of the exciting projects built on the Tezos blockchain are (fx)hash, Objkt.com , Kord.fi and Kukai. We encourage you to explore the Tezos website and follow us on Twitter … key engineering units within the Tezos ecosystem. Directly overseeing an engineering function of around 30 including managers and engineers (plus numerous external vendors) developing tooling, infrastructure, smart contracts and decentralised applications. As part of the leadership team you'll work closely with the Co-Founder of Tezos and have the opportunity to shape the technical roadmap, drive More ❯

We are operating at the intersection of blockchain technology and AI to build GenLayer, a groundbreaking blockchain that integrates AI in its consensus algorithm to create smart contracts that are intelligent and capable of connecting to the internet. With GenLayer, developers can build decentralized applications that leverage the power of AI to automate complex processes, make smart More ❯

years of software engineering experience in backend teams primarily using Rust and Node/Node.js, TS & JS in a full stack environment Fluency in Solana Rust smart contracts with proven experience and projects 4+ years of experience in blockchain development. Practical experience deploying smart contracts on the mainnets of major blockchains Contribution to crypto More ❯

lifecycle, focusing on engineering and pre-deployment testing. Work closely with Product, Design, and Engineering teams to define, prioritize and build out product features. Collaborate with frontend and smart contract engineers to integrate user-facing elements with server-side logic. Participate in all stages of product development from inception to launch. Improve scalability of existing Web applications. Build … tasks independently. Excellent communication and collaboration skills. Good working knowledge of git. A deep understanding of the architecture of modern Web3 applications and backends and experience integrating with smart contracts. Experience in all stages of product development including technical planning, rigorous testing, and launch. Ability to write high-quality, well-tested code in an asynchronous environment. BSc/ More ❯

opportunity to directly impact the business' growth by enhancing existing infrastructure and connecting to new trading venues in both CeFi and DeFi. You will also work on optimising smart contract interactions, on-chain arbitrage, and MEV strategies in DeFi. If you excel in Rust, thrive on solving intellectually stimulating problems, and have a passion for performance-driven development More ❯

opportunity to directly impact the business' growth by enhancing existing infrastructure and connecting to new trading venues in both CeFi and DeFi. You will also work on optimising smart contract interactions, on-chain arbitrage, and MEV strategies in DeFi. If you excel in Rust, thrive on solving intellectually stimulating problems, and have a passion for performance-driven development More ❯

opportunity to directly impact the business' growth by enhancing existing infrastructure and connecting to new trading venues in both CeFi and DeFi. You will also work on optimising smart contract interactions, on-chain arbitrage, and MEV strategies in DeFi. If you excel in Rust, thrive on solving intellectually stimulating problems, and have a passion for performance-driven development More ❯

Responsibilities Develop and launch a new React Native application Collaborate with Product, Design, and Engineering to define, prioritize, and build FinTech/Web3 features Collaborate with backend and smart contract developers Build a reusable UI kit Become a subject matter expert in payments and Web3 Work with Design to implement a user friendly experience Requirements 3+ years of More ❯

This opening is for a Security Researcher role within the company. What you'll be doing Review smart contracts for the top decentralized applications before they get launched and present findings and vulnerabilities that the protocol can have to the client. Team up with one or two auditors and review code line by line and try to More ❯

thrive in a fast-paced, collaborative environment and are passionate about driving innovation in the decentralized space. Key Responsibilities: Design, develop, and maintain CosmWasm/Ethereum smart contracts for integration with the Babylon protocol. Design integration solutions for performance, security, and reliability. Collaborate with core protocol engineers to identify and resolve integration challenges. Contribute to the development More ❯

programmatic statistical analysis and quantitative/analytic skills High-level understanding of high-frequency market making strategies Understanding of blockchain fundamentals and mechanics of the EVM Familiarity with smart contract development and the Foundry toolkit A passion for learning about protocol microstructure and design mechanisms Note: For Singapore - we are able to sponsor an Employment Pass for exceptional More ❯

to be 'hands-on' when required to help solve technical problems or design particularly sensitive areas of the system. Required Skills and Experience Experience in writing smart contracts for blockchain frameworks such as Hedera Hashgraph, Hyperledger, Ethereum, Tezos and Corda. Engage directly with the customers development team, understand their specific business and technology challenges in distributed ledgers More ❯

You will take ownership of the design, development, and maintenance of critical bridge components, including: BitVM Bridge libraries Peripheral tools and applications surrounding the bridge CosmWasm smart contracts on the Babylon chain for bridge-related interactions Your work will directly impact the interoperability between the Bitcoin chain and the Babylon chain, advancing the state of decentralized security More ❯

key engineering units within the Tezos ecosystem. Directly overseeing an engineering function of around 30 including managers and engineers (plus numerous external vendors) developing tooling, infrastructure, smart contracts and decentralised applications. As part of the leadership team you'll work closely with the Co-Founder of Tezos and have the opportunity to shape the technical roadmap, drive More ❯

key engineering units within the Tezos ecosystem. Directly overseeing an engineering function of around 30 including managers and engineers (plus numerous external vendors) developing tooling, infrastructure, smart contracts and decentralised applications. As part of the leadership team, you'll work closely with the Co-Founder of Tezos and have the opportunity to shape the technical roadmap, drive More ❯

as a knowledgeable spokesperson. Requirements Who you are: Understanding of Blockchain Ecosystems: Strong foundational knowledge of blockchain technology, including its core components such as consensus mechanisms, smart contracts, and tokenomics. Ability to translate technical blockchain concepts into marketing messages that engage non-technical audiences. Experience with Decentralized Applications (dApps): Familiarity with dApp ecosystems, decentralized finance (DeFi), and More ❯

as a knowledgeable spokesperson. Requirements Who you are: Understanding of Blockchain Ecosystems: Strong foundational knowledge of blockchain technology, including its core components such as consensus mechanisms, smart contracts, and tokenomics. Ability to translate technical blockchain concepts into marketing messages that engage non-technical audiences. Experience with Decentralized Applications (dApps): Familiarity with dApp ecosystems, decentralized finance (DeFi), and More ❯

Our client — an innovative startup at the intersection of blockchain and gaming — is building a decentralised platform powered by the TON blockchain . They’re looking for a Smart Contract Engineer (or an experienced backend … engineer eager to move into Web3) to help architect and implement core smart contract functionality. The role is ideal for someone who enjoys working on secure, modular contracts , particularly for RNG-based game logic, asset tracking , and value transfer mechanisms . You’ll collaborate closely with DevOps and backend engineers in a modern serverless stack , with exposure … be joining a compact, senior team with the freedom to influence technical direction and contribute directly to a rapidly evolving space. Key Responsibilities: Design and develop smart contracts using TACT or equivalent languages like Solidity , Rust , or Move Ensure contracts are modular, secure, upgradeable, and deterministic Maintain smart contract interfaces and collaborate across frontend More ❯

We celebrate differences and seek to recruit, develop, and retain the most talented people from a diverse candidate pool...and we’re hiring! We are looking for a Senior Smart Contract Engineer to help us innovate and build the next generation of Web3, on the smart contract side, across a variety of new and exciting verticals, from … the role is remote friendly, it is preferred that you are located and working within the GMT-PST time zones for coordination purposes. Responsibilities Work closely with our smart contract development team to develop and build new core smart contracts. Brainstorm and ideate on new protocol designs. Engage and work with … both internal and external auditing teams and implement feedback. Evaluate and assess L2s and other scaling solutions. Requirements 4+ years of experience building and releasing secure and production-grade contracts in Solidity. 6+ years as a developer. Experienced problem solver with an interest in building complex smart contracts. Demonstrated experience shipping and deploying smart contracts More ❯

dApps used in the community. What You'll Be Doing Architect, build, launch, and maintain dApps - from concept to community usage Develop on-chain logic in smart contracts, connecting them to web front-ends for crypto natives and novices Work with business leads to define product roadmaps, and help set the vision and strategy for the venture … 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 … complex problems and working across disciplines Passionate about the web3 community Optional Skills Additional helpful experience includes: Using The Graph protocol to create Subgraphs or designing smart contracts for optimal indexability Experience in DeFi protocols like UniswapV2/V3 or AAVE Familiarity with Solidity fuzz testing, Slither, Mithril Experience with Hardhat testing framework We welcome applicants who More ❯

the community. What You'll Be Doing Architect, build, launch, and maintain dApps - from concept to being used by the community. Build on-chain logic in smart contracts, and connect them to web front-ends used by crypto natives and novices. Work with business leads to define the product roadmap, help set the vision and strategy for … 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 … passionate about the web3 community. Optional skills The following technical experience is helpful but not essential: Experience using The Graph protocol to create Subgraphs or designing smart contracts for optimal indexability. Experience in the DeFi ecosystem, particularly swapping protocols (e.g., Uniswap V2 or V3) and lending protocols (e.g., AAVE). Awareness of Solidity fuzz testing, Slither, and More ❯

Excellent benefits 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 in Web3 and Blockchain development. Experience with smart contracts Experience with DevOps technologies Ability to work independently and with a team. Find out more If you would like to have a confidential conversation and find out more about this opportunity, then get in touch with Con Lam at Harrington Starr More ❯

finance, gaming, NFTs, and other major verticals. Our team of experienced product managers, designers, and engineers work together to create innovative products and services that enable smart contracts to securely access off-chain data and systems. With a focus on user-centered design, we strive to create intuitive and seamless experiences for developers and end-users alike. … our VP of Product and CEO to grow our product from success in decentralized finance (DeFi) to a reliable and scalable oracle platform driving the next phase in smart contract growth on the blockchain. Your Impact Lead a team of product managers and collaborate with cross-functional teams to drive priorities and strategic direction that aligns with the … blockchain industry by building successful MVPs into reliable and scalable products of blockchain oracles that will power the future of DeFi and other distributed, trust-less smart contracts Requirements Experience working in a financial institution, preferably in a trading role Demonstrated skills of ownership and ability to drive/release products that have made a positive impact More ❯

Do you have experience in Security Software, Web3/Smart Contracts Auditing and also have programming knowledge of Solidity, Go, Rust, and/or C++ and want to be part of an expert team securing some the worlds leading blockchain protocols? Fully Remote working. Can be based in Europe or UK. Have you got the right qualifications … and skills for this job Find out below, and hit apply to be considered. A Web3/Smart Contracts Auditor/Security SoftwareEngineer, ideally with a PhD in Mathematics, Computing or C... JBLK1_UKTJ More ❯

in Europe/UK Excellent benefits and bonus structures. 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 in Web3 and Blockchain development. Experience with smart contracts Experience with DevOps technologies Ability to work independently and with a team. Find out more If you would like to have a confidential conversation and find out more about this opportunity, then get in touch with Con Lam at Harrington Starr More ❯