the team, you'll take on complex technical challenges across the entire stack-from crafting performant user interfaces to architecting backend services, as well as writing smartcontracts that power next-generation financial products. You'll work closely with product managers, designers, and fellow engineers to build intuitive, secure, and performant Web3 experiences. WHAT YOU WILL DO … Design, develop, and maintain full-stack Web3 applications-ranging from user interfaces and APIs to smartcontracts and blockchain integrations. Implement smartcontracts 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 … of frontend technologies, including React and modern JavaScript/TypeScript tooling. Deep knowledge of backend development, including RESTful APIs, databases, and secure infrastructure practices. Hands-on experience with smartcontract 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 More ❯
build, and scale on the Sui blockchain. This team plays a critical role in enabling adoption by supporting integration with the Sui framework, designing and implementing smartcontracts in the Move language, and building full-stack applications that serve as developer tools, internal products, or external-facing demos and PoCs. If you enjoy solving real-world problems … play a key role in expanding the adoption of Sui & Move technologies among developers and partner companies all over the world. You'll design and develop SmartContracts, create innovative Solutions and empower other software engineers by building tools, creating technical resources, and showcasing the innovative capabilities of the Sui ecosystem. This role requires a proactive, developer … Responsibilities: Build and maintain full-stack applications using Next.js, React, TypeScript, and Node.js with SQL and Key-Value storage technologies for data management. Design and implement smartcontracts using the Move programming language to support real-world use cases and learning scenarios Create high-quality technical demos, internal tools, and reference applications that illustrate how to build More ❯
and United Kingdom . About the Role As a Senior Solidity/SmartContract Engineer on the CCIP team, you will develop highly impactful smartcontracts that further secure Chainlink CCIP networks, drive on-chain projects end to end and implement new on-chain features. You will work closely with all functions at Chainlink, from … engineering, operations, finance, marketing, and more to ensure the team releases easy to use and easy to manage smartcontract driven products. Your core team will be composed of smartcontract and software engineers and you will report to the engineering lead on the team. Your Impact: Owning large components of the smartcontract … z2bz0 years of professional engineering experience working in a collaborative product-driven environment At least 3+ years of smartcontract development experience Deployed multiple smartcontracts 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 More ❯
Senior SmartContract Engineer London Engineering In office Full-time Summary Perpl is a high-performance, orderbook-based perpetuals DEX launching on Monad. We're backed by top crypto-native investors and building the next evolution of on-chain trading-one that combines CEX-level performance with DeFi composability and transparency. Our mission is to bring the speed … you'll play a critical role in building the infrastructure powering on-chain derivatives at scale. In this role, you will: Design and implement mission-critical smartcontracts for the Perpl CLOB and vault system Collaborate closely with engineering, product, and quant teams to ensure robustness and capital efficiency Define testing, simulation, and on-chain monitoring standards … optimization Own the full lifecycle of smartcontract development from design audit deployment upgrade Qualifications Required 3+ years of experience building and maintaining EVM smartcontracts in production Strong knowledge of Solidity, low-level EVM mechanics, and gas optimization strategies Proven ability to work with external auditors and internal security reviews Experience designing DeFi protocols More ❯
squads, to build the future of our SaaS/API-first products . You will report to our Head of Software, and collaborate with the Product, Infrastructure and Smart-Contract teams to work on the various products that Kiln's offers. Responsibilities: Contribute to architectural decisions and technical strategy. Develop and implement software features in our Golang services …/Kubernetes), and Continuous Integration. Ability to ship opinionated architectural choices and code, and to share software best practices. Proven interest in Web3, blockchain, cryptocurrency and smartcontracts - check our Tech Blog and Open-Source Contribution Fluent (written and spoken) in French and English. Nice-to-have: Previous experience working within a certified environment (SOC2, ISO … PCI DSS, HIPAA ) Genuine interest in Web3, blockchain, cryptocurrency and smartcontracts - check our Tech Blog and Open-Source Contribution About Kiln: Kiln is the leading enterprise-grade rewards platform that enables institutional customers to stake assets and integrate staking & DeFi functionality into their offerings. Our API-first platform provides fully automated validators, staking & DeFi protocols access More ❯
smart contracts. Responsibilities Develop and maintain responsive, user-friendly front-end interfaces using React, Next.js , Vue or similar frameworks. Integrate EVM and non-EVM smartcontracts using libraries like Ethers.js, Web3.js, Viem, Starknet.js and wallet connectors such as ConnectKit and wagmi. Support wallet integrations including MetaMask, Argent X, and Braavos. Design and implement scalable back … end services and APIs using Node.js, Express, and related technologies. Collaborate with blockchain engineers to interact with smartcontracts and on-chain data. Implement best practices for security, including wallet connectivity, transaction handling, and protection of user data. Deploy and maintain applications on AWS (EC2, Elastic Beanstalk, S3, CloudFront), with a focus on scalability, logging, and monitoring. … TypeScript and PHP. 5+ years of experience in web development, including 3+ years in dApp development. Hands-on experience integrating and interacting with both EVM and Non-EVM smart contracts. Familiarity with ConnectKit, wagmi, and Viem libraries for modern wallet connection flows. Experience deploying web applications on AWS using services like Elastic Beanstalk, EC2, and S3, with understanding More ❯
users to combine, automate, and execute any DeFi action with zero code. We're a small, passionate team with a deep belief in permissionless innovation, user ownership, and smartcontract modularity.We're now looking for a Frontend Engineer (Mid-Senior Level) to help … us build the next generation of Web3 interfaces. What You'll Do Own and contribute to the development of dynamic, responsive, and performant Web3 applications. Integrate smartcontracts into the frontend with libraries such asethers.js,viem, orwagmi. Work closely with design and product teams to bring complex DeFi workflows to life through intuitive UI/UX. Build … JS/TS frameworks. Proven experience working in the Web3 space , especially with DeFi protocols (e.g. Uniswap, Aave, Curve, etc.). Comfortable calling and interacting with smartcontracts from the frontend. Experience using tools for indexing and querying on-chain data (e.g. The Graph, Moralis, SubQuery, custom solutions). Deep understanding of Web3 libraries like wagmi , viem More ❯
Experienced in Web3 Development: We are interested in candidates with prior experience in the Web3 space. This could include projects involving meme coins, DeFi trading platforms, smartcontracts, NFTs, wallets, decentralized applications (DApps), or other related areas Understanding of Cryptocurrency Wallet Infrastructure : An understanding of cryptocurrency wallet infrastructure across various networks (such as Ethereum, Bitcoin, Solana, Ripple … Experienced in Web3 Development: We are interested in candidates with prior experience in the Web3 space. This could include projects involving meme coins, DeFi trading platforms, smartcontracts, NFTs, wallets, decentralized applications (DApps), or other related areas Understanding of Cryptocurrency Wallet Infrastructure : An understanding of cryptocurrency wallet infrastructure across various networks (such as Ethereum, Bitcoin, Solana, Ripple More ❯
about decentralized technologies and eager to contribute to groundbreaking initiatives, we welcome you to be part of our team. Responsibilities: Develop and deploy blockchain solutions, encompassing smartcontracts and decentralized applications (DApps). Collaborate closely with cross-functional teams to define and seamlessly integrate blockchain features. Play a key role in designing the architecture and protocols of … 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 smartcontract development and deployment. Sound understanding of consensus algorithms More ❯
squads, to build the future of our SaaS/API-first products . You will report to our Software Engineering Manager, and collaborate with the Product, Infrastructure and Smart-Contract teams to work on the various products that Kiln's offers. Responsibilities: Contribute to architectural decisions and technical strategy. Develop and implement software features in our Golang services … Kiln's platform and engineering practices. Communicate with other Kiln teams to help them understand the Software roadmap and technical challenges. Stack: Software: Go, TypeScript, PostgreSQL, REST API Smart-contract: Solidity, Foundry Infrastructure: AWS, Kubernetes Requirements: +3 years of experience as Software Engineer (Backend) , designing, building, and deploying user-facing, infrastructure-related, and/or API-based products. … French and English. Nice-to-haves: Previous experience working within a certified environment (SOC2, ISO 27001, PCI DSS, HIPAA ) Genuine interest in Web3, blockchain, cryptocurrency and smartcontracts - check our Tech Blog and Open-Source Contribution About Kiln: Kiln is the leading enterprise-grade staking platform , enabling institutional customers to stake assets, and to whitelabel staking functionality More ❯
and similarity queries Familiarity with crypto markets, order books, and risk-management frameworks Familiarity with anomalydetection methods for streaming text and timeseries data Experience developing EVM smartcontracts with Solidity and modern toolchains (Foundry or Hardhat). Experience with realtime subscription frameworks (GraphQL subscriptions, WebSockets) or gRPC streaming for live data updates Seniority level Seniority level Mid More ❯
a fast-paced, ambiguous environment with multiple concurrent projects. Nice to Have Hands-on development experience or background in a technical role (especially in JS frameworks, Node.js, or smartcontract development). Experience working in startup or innovation-focused environments and/or enterprise clients. Experience being Line Nahwe Bachelor's or Master's degree in Computer Science 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, smartcontracts 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 ❯
solutions. You will be responsible for designing, implementing, and supporting a distributed blockchain-based network. Key Responsibilities: • Design, develop, and test blockchain applications. • Create and maintain smartcontracts and blockchain protocols. • Collaborate with cross-functional teams to define, design, and ship new features. • Ensure the performance, quality, and responsiveness of applications. • Identify and correct bottlenecks and fix More ❯
ETH denominations. Process Integrity: Monitoring submission pipelines and liaising with our global network of brokers and partners to ensure the timely gathering of due diligence, from balance sheets, smartcontract audits to custody architecture details. Solution Support: Providing administrative and analytical support for the creation of quotes, proposals, and risk assessments that address the interconnected perils of the More ❯
rollups, bridging, transaction lifecycle, user experience tradeoffs. Familiarity with a wide array of EVM infrastructure projects (bridges, node providers, tooling, automation, oracles, auditors ) Proven experience reviewing smartcontracts 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 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 smartcontracts 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. More ❯
Frankfurt am Main, Hessen, Germany Hybrid / WFH Options
Caiz
experience (8+ years) in product leadership, ideally with 5+ years in a crypto/blockchain company. Deep understanding of crypto protocols, DeFi, wallets, exchanges, tokens, and/or smart contracts. Strong background in user-centered design, agile development, and lean product methodologies. Experience scaling consumer or developer-facing products in fast-paced environments. Excellent communication skills with both More ❯
As a software engineer on the DAML Application Runtime team, you have the unique opportunity to build an ecosystem of tools that enable an exciting new class of smartcontract, distributed ledger applications. You'll develop the tools, APIs and frameworks used in the development of smartcontract applications. You will get to extend and improve … and across industries get distributed applications to market faster, and stay there longer. At the core of our service offering is DAML (), the open source and platform-independent smartcontract framework that enables developers to … write an application once and deploy it anywhere. Today, we work with some of the largest companies in the world to harness the transformative power of smartcontracts - a component of the distributed ledger technology (DLT) stack - and change the way applications are developed, deployed and used to solve real-world business challenges. Digital Asset is a More ❯
the inner workings of L1 and L2 networks, DeFi protocols, staking, etc. You excel in identifying machine-level, transaction-level, and business logic-level vulnerabilities in smartcontracts and protocol infrastructure. You have 3+ years of smartcontract auditing experience and have led the audit of several complex protocols. You have an energy and self More ❯
in our security infrastructure and drive cross-function efforts to address them. Perform security assessments, framework development, and threat modeling of assets, including various blockchain protocols, smartcontracts, and other distributed ledger tech. Partner with software engineering teams to advise on code and architecture for internal smartcontract development. Partner with internal tooling teams to … a crypto custodian, including common vulnerabilities and pitfalls for systems that custody cryptocurrency. Familiar with all the fundamentals of onchain activity - blockchain explorers, funds tracing, bridging, DEXs, NFTs, smart contracts. Familiar with recent innovations such as restaking and the various EIPs currently being considered. Ability to provide leadership and mentorship to coworkers. Experience in a highly cross-functional More ❯
in our security infrastructure and drive cross-function efforts to address them. Perform security assessments, framework development, and threat modeling of assets, including various blockchain protocols, smartcontracts, and other distributed ledger tech. Partner with software engineering teams to advise on code and architecture for internal smartcontract development. Partner with internal tooling teams to … a crypto custodian, including common vulnerabilities and pitfalls for systems that custody cryptocurrency. Familiar with all the fundamentals of onchain activity - blockchain explorers, funds tracing, bridging, DEXs, NFTs, smart contracts. Familiar with recent innovations such as restaking and the various EIPs currently being considered. Ability to provide leadership and mentorship to coworkers. Experience in a highly cross-functional More ❯
deliver complex products. Effective at building consensus and driving execution at scale A passion for the crypto ecosystem and its unique challenges. Familiarity with on-chain asset management, smartcontract staking, yield protocols, and the evolving regulatory environment Nice to haves Experience with staking architecture or validator operations. Familiarity with Prime Brokerage or structured yield products. Background in More ❯
squads, to build the future of our SaaS/API-first products . You will report to our Lead Software Engineer, and collaborate with the Product, Infrastructure and Smart-Contract teams to work on the various products that Kiln offers. Responsibilities: Contribute to architectural decisions and technical strategy. Be an active contributor within the Fullstack squad owning Kiln … practices. Communicate with other Kiln teams to help them understand the Software roadmap and technical challenges. Stack: TypeScript, React, PHP, Laravel, REST API Other engineering stacks: Software (Golang); Smartcontract (Solidity); Infrastructure (Kubernetes) Requirements: +3 years of experience as a Software Engineer (Backend, Frontend, or Fullstack), designing, building, and deploying user-facing and API-based products . Proven … experience (eg. Github project, hackathon ) - with solid understanding of protocols, staking, and DeFi. Fluent in both French and English. Nice-to-have: Familiar with Ethereum Virtual Machine and smart contracts. Experience building dApps using libraries such as Wagmi and Viem. Knowledge on how to craft raw blockchain transactions. PHP/Laravel programming skills. Experience in a fast-growing More ❯
heart and decentralization advocates. Our team is funded by former MakerDAO Core Unit members, with the goal of supporting web3 projects to design and implement their vision with Smart Contracts. You can find us here We like to spend our time immersed in Solidity code, building the foundation and infrastructure for decentralized finance, DAO's, and Web3. For … e.g., routing algorithms). 5+ years of Backend experience with NodeJS preferred; Rust or Python also desirable. Service Architecture expertise. 2+ years of experience on Web3 EVM chains. Smartcontract experience is required, involving designing and implementing various integrations. Smartcontract implementation skills are a plus but not mandatory. AWS experience is a nice to have. More ❯
