Serverless whenever possible. Our backend engineering team develops architectures that are scalable from day 1, with no single points of failure. SmartContracts: Primarily the ERC20 stack but across technologies such as Ethereum, Polygon, chainlink etc. Operations: Our AWS services are fully managed via infrastructure as code. … errors. As a small team, code quality is a top priority, so we maintain high standards for cleanliness and structure. Code smartcontracts: We have a couple behind us already but you'll be driving the coding of smartcontracts and everything that comes … candidate can see the bigger picture and architect both front end and back-end systems to accomplish product goals. Experience with smartcontracts, ERC-20, web3 and ethers.js . While you'll primarily work with Node.JS/TypeScript, experience in DevOps is a plus. This role is More ❯
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 … 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 More ❯
to architect, build, and deploy high-performance systems across major decentralized finance ecosystems. You will lead the development of automated DEX trading strategies , smartcontract infrastructure , and on-chain execution systems across EVM chains, Solana, and emerging networks. You will work on high-frequency DeFi execution , liquidity management … performance incentives Responsibilities Design and implement automated DEX trading systems , including execution on concentrated liquidity AMMs and perpetual futures protocols. Develop smartcontracts for liquidity provisioning, arbitrage execution, flashloan-based strategies, and collateralized trading. Build and maintain high-performance blockchain listeners and off-chain bots for on … flexible working arrangements, performance-based incentives. Interested? Send your GitHub, portfolio, and/or examples of past DeFi projects, trading bots, smartcontracts, or execution systems you’ve built. More ❯
london, south east england, united kingdom Hybrid / WFH Options
Trireme
to architect, build, and deploy high-performance systems across major decentralized finance ecosystems. You will lead the development of automated DEX trading strategies , smartcontract infrastructure , and on-chain execution systems across EVM chains, Solana, and emerging networks. You will work on high-frequency DeFi execution , liquidity management … performance incentives Responsibilities Design and implement automated DEX trading systems , including execution on concentrated liquidity AMMs and perpetual futures protocols. Develop smartcontracts for liquidity provisioning, arbitrage execution, flashloan-based strategies, and collateralized trading. Build and maintain high-performance blockchain listeners and off-chain bots for on … flexible working arrangements, performance-based incentives. Interested? Send your GitHub, portfolio, and/or examples of past DeFi projects, trading bots, smartcontracts, or execution systems you’ve built. More ❯
an open-source platform known for its flexibility, security, and self-amendment capabilities. It's built to empower developers to create smartcontracts 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, smartcontracts, and educational content. The Role The Core Tezos X team is developing the next-generation Layer 2 solutions on Tezos - a highly scalable computation platform enabling new blockchain use cases. This is a technically challenging role that allows More ❯
an open-source platform known for its flexibility, security, and self-amendment capabilities. It's built to empower developers to create smartcontracts 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, smartcontracts, 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 Kord.fi and More ❯
Cambridge, England, United Kingdom Hybrid / WFH Options
Tokenovate
and embedding industry standards such as the Common Domain Model (CDM) directly into our platform, we harness the power of blockchain , smartcontracts and tokenisation to drive automation, interoperability, and efficiency across capital markets . Founded in 2022, we are a fully funded UK-based start - up … optimise our core platform. This is an opportunity to work on cutting-edge distributed ledger technology, tackling challenges in on-chain transaction processing, smartcontract execution, tokenisation of Real World Assets and integration within institutional financial systems . You’ll collaborate closely with product, engineering, and cloud teams … NestJS , microservices architecture , and API development. Exposure to AWS, Kubernetes (k8s), Docker , and cloud-based deployments. An understanding of Bitcoin Script , smartcontracts, and transaction scripting. WHY JOIN US? Cutting - Edge Work – Build innovative solutions at the intersection of Capital markets and post trade automation Hybrid Work More ❯
cambridge, east anglia, United Kingdom Hybrid / WFH Options
Tokenovate
and embedding industry standards such as the Common Domain Model (CDM) directly into our platform, we harness the power of blockchain , smartcontracts and tokenisation to drive automation, interoperability, and efficiency across capital markets . Founded in 2022, we are a fully funded UK-based start - up … optimise our core platform. This is an opportunity to work on cutting-edge distributed ledger technology, tackling challenges in on-chain transaction processing, smartcontract execution, tokenisation of Real World Assets and integration within institutional financial systems . You’ll collaborate closely with product, engineering, and cloud teams … NestJS , microservices architecture , and API development. Exposure to AWS, Kubernetes (k8s), Docker , and cloud-based deployments. An understanding of Bitcoin Script , smartcontracts, and transaction scripting. WHY JOIN US? Cutting - Edge Work – Build innovative solutions at the intersection of Capital markets and post trade automation Hybrid Work More ❯
Cambridge, south west england, United Kingdom Hybrid / WFH Options
Tokenovate
and embedding industry standards such as the Common Domain Model (CDM) directly into our platform, we harness the power of blockchain , smartcontracts and tokenisation to drive automation, interoperability, and efficiency across capital markets . Founded in 2022, we are a fully funded UK-based start - up … optimise our core platform. This is an opportunity to work on cutting-edge distributed ledger technology, tackling challenges in on-chain transaction processing, smartcontract execution, tokenisation of Real World Assets and integration within institutional financial systems . You’ll collaborate closely with product, engineering, and cloud teams … NestJS , microservices architecture , and API development. Exposure to AWS, Kubernetes (k8s), Docker , and cloud-based deployments. An understanding of Bitcoin Script , smartcontracts, and transaction scripting. WHY JOIN US? Cutting - Edge Work – Build innovative solutions at the intersection of Capital markets and post trade automation Hybrid Work More ❯
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 … CEO to grow our product from success in decentralized finance (DeFi) to a reliable and scalable oracle platform driving the next phase in smartcontract growth on the blockchain. Your Impact Lead a team of product managers and collaborate with cross-functional teams to drive priorities and strategic … MVPs into reliable and scalable products of blockchain oracles that will power the future of DeFi and other distributed, trust-less smartcontracts Requirements Experience working in a financial institution, preferably in a trading role Demonstrated skills of ownership and ability to drive/release products that More ❯
an open-source platform known for its flexibility, security, and self-amendment capabilities. It's built to empower developers to create smartcontracts 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, smartcontracts, 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 Kord.fi and More ❯
and work on designing, developing, and deploying the smartcontract infrastructure for this platform. Responsibilities: Design, develop, and deploy smartcontracts for fractional ownership and asset-backed tokens. Implement ERC-1400 (security token standard) for regulatory-compliant tokenization. Integrate Chainlink Proof-of-Reserve for real … protocols (e.g., oracles, third-party auditors). Optimize contract gas efficiency, security, and scalability. Conduct security audits and implement best practices to mitigate smartcontract vulnerabilities. Collaborate with front-end developers to build an intuitive Web3 interface. Ensure compliance with financial regulations and security token frameworks. Required Experience … Skills: Blockchain Development: ✅ 3+ years of experience in Solidity smartcontract development. ✅ Strong understanding of Ethereum standards (ERC-20, ERC-721, ERC-1400, ERC-1155, etc.). ✅ Experience integrating oracles (Chainlink, Pyth, Band Protocol, etc.). ✅ Knowledge of security token compliance (KYC/AML integration, regulatory frameworks) Department More ❯
San Mateo, California, United States Hybrid / WFH Options
SMART DESIGN
Responsibilities Design and develop blockchain-based systems and applications Develop smartcontracts using Solidity and other programming languages Collaborate with cross-functional teams to integrate blockchain solutions with existing systems Optimize blockchain solutions for performance, scalability, and security Stay up-to-date with emerging blockchain trends and … technologies Skills Needed 3+ years of experience in blockchain development Strong knowledge of blockchain platforms (Ethereum, Hyperledger, Corda) Experience with smartcontract development using Solidity and other programming languages Strong understanding of blockchain architecture, security, and scalability Experience with blockchain development frameworks and tools (Truffle, Web3.js) Excellent problem More ❯
be involved within an innovative organisation that are approaching their market making strategies with unique and efficient methods. What You'll Do Spearhead smartcontract interactions Work closely with the head of technology and deliver cutting edge low-latency software solutions using Rust. Take ownership of their rapidly More ❯
london, south east england, United Kingdom Hybrid / WFH Options
Tempest Vane Partners
be involved within an innovative organisation that are approaching their market making strategies with unique and efficient methods. What You'll Do Spearhead smartcontract interactions Work closely with the head of technology and deliver cutting edge low-latency software solutions using Rust. Take ownership of their rapidly More ❯
Cleveland, Ohio, United States Hybrid / WFH Options
SMART DESIGN
Responsibilities Design and develop blockchain-based systems and applications Develop smartcontracts using Solidity and other programming languages Collaborate with cross-functional teams to integrate blockchain solutions with existing systems Optimize blockchain solutions for performance, scalability, and security Stay up-to-date with emerging blockchain trends and … technologies Skills Needed 3+ years of experience in blockchain development Strong knowledge of blockchain platforms (Ethereum, Hyperledger, Corda) Experience with smartcontract development using Solidity and other programming languages Strong understanding of blockchain architecture, security, and scalability Experience with blockchain development frameworks and tools (Truffle, Web3.js) Excellent problem More ❯
level innovation across DeFi markets. Key Responsibilities Design and implement high-performance systems for DEX and DeFi trading Develop and maintain smartcontracts, indexers, APIs, and market-making bots Integrate with DeFi protocols, liquidity pools, and decentralised exchanges Optimise event-driven microservices and blockchain transaction processing Ensure More ❯
/analytic skills High level understanding of high-frequency market making strategies Understanding of blockchain fundamentals and mechanics of the EVM Familiarity with smartcontract development and the Foundry toolkit A passion for learning about protocol microstructure and design mechanisms Note: Although we are unable to accept fully More ❯
/analytic skills High level understanding of high-frequency market making strategies Understanding of blockchain fundamentals and mechanics of the EVM Familiarity with smartcontract development and the Foundry toolkit A passion for learning about protocol microstructure and design mechanisms Note: Although we are unable to accept fully More ❯
an organization With 2+ years working in RWA/tokenized assets environments and/or experience working with decentralized applications (DApps), smartcontracts, and blockchain technology Strong technical understanding - Ability to read and comprehend code (e.g. Solidity) and navigate large-scale software development projects Performing technical discovery More ❯
working experience in blockchain and Web3 technologies Familiarity with the SOL SPL and Token2022 programs, as well as the SOL ecosystem Proficiency in smartcontract development and ability to read and comprehend code in Rust and navigate large-scale software development projects Performing technical discovery qualification with prospective More ❯
equity package, on a standard vesting schedule Impact & Exposure: Work at the leading edge of innovation building our machine-learning powered smartcontracts for fraud prevention Growth: An opportunity to wear many hats, and grow into a role you can inform Hybrid work: Flexibility to work from More ❯
EC1V, Bunhill, Greater London, United Kingdom Hybrid / WFH Options
Technical Futures Ltd
Research Engineer - Security Software/Blockchains/SmartContracts - Solidity/Rust/Python/C & C++ - Cryptanalysis/Cryptology - Fully Remote. Rewarding opportunities for exceptional Research Engineers to get involved with Blockchain programming and SmartContract Auditing; playing a key role in reducing risk … bring experience of zero-knowledge proofs. Proficiency in programming languages such as Go and Rust, Solidity, Python and C/C++. Exposure to SmartContract Auditing. Experience with low level software either as an engineer or researcher. Solid understanding of mathematical models particularly for financial instruments and a … in mind i.e. relating to consequences of decisions. What the Security Software/Research Engineers will be involved with: Reviewing complex, high assurance SmartContract code. Applying your engineering skills to build custom tools to rapidly assess, explore or secure the code. Advising clients to make informed decisions More ❯
Employment Type: Permanent
Salary: £50000 - £70000/annum Dep on Exp + Hybrid + Bonus
City of London, London, United Kingdom Hybrid / WFH Options
Plexus Resource Solutions Ltd
usable, reliable and performant React Code Style and animate components based on Figma specifications Create functions that write to the blockchain by calling smartcontract Benefits & Perks Fully remote work with flexible hours Work on the bleeding edge of DeFi and crypto Budget for learning/professional development More ❯
tested APIs and backend services in a modern, typed stack AWS Lambda, SQS, EventBridge and API Gateway – build fully serverless, event-driven services Smartcontract integration – work closely with blockchain engineers to sync backend logic and on-chain events API development – deliver robust services for frontend apps, dashboards More ❯