Smart Contracts Jobs

1 to 25 of 99 Smart Contracts Jobs

Blockchain Engineer

London, United Kingdom
Hybrid / WFH Options
Scrums
Serverless whenever possible. Our backend engineering team develops architectures that are scalable from day 1, with no single points of failure. Smart Contracts: 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 smart contracts: We have a couple behind us already but you'll be driving the coding of smart contracts 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 smart contracts, 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 ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Blockchain Engineer – Smart Contracts & Decentralized Systems

england, United Kingdom
LevelUP HCS
developing scalable Web3 systems in one of the world’s top tech hubs. 🔧 What You’ll Be Doing Develop and deploy smart contracts and decentralized applications (dApps) Solve real-world challenges using blockchain protocols and secure system design Work closely with engineers, cryptographers, and industry-leading Web3 … innovation, performance, and impact ✅ What We’re Looking For Competed in blockchain competitions , hackathons, or technical showcases Hands-on experience with smart contracts (Solidity, Rust) or blockchain protocols Personal projects or open-source contributions in the Web3 ecosystem Understanding of Ethereum, Solana, or other L1/L2 More ❯
Posted:

Senior Solidity / Smart Contract Engineer

London, United Kingdom
Hybrid / WFH Options
P2P
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 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 smart contract driven products. Your core team will be composed of smart contract and software engineers and you will report to the 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 More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Defi (On-Chain) Quant Developer

London Area, 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 , smart contract 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 smart contracts 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, smart contracts, or execution systems you’ve built. More ❯
Posted:

Defi (On-Chain) Quant Developer

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 , smart contract 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 smart contracts 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, smart contracts, or execution systems you’ve built. More ❯
Posted:

Technical Business Analyst (DeFi)

London, United Kingdom
Entangle Labs
Translate business needs into detailed technical specifications and user stories. DeFi Protocol Research & Evaluation: Conduct in-depth research on DeFi protocols, smart contracts, and blockchain ecosystems. Evaluate the technical feasibility, security, and scalability of integrating new protocols or features. Stay updated on the latest advancements in blockchain … a Technical Business Analyst, Data Analyst, or similar role, preferably in the blockchain or fintech industry. - Strong understanding of DeFi protocols, smart contracts, and blockchain technology (e.g., Ethereum, Solana, Layer 2 solutions). - Proficiency in data analysis tools (e.g., SQL, Python, Excel) and blockchain analytics platforms (e.g. More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Staff Software Engineer - RISC-V

London, United Kingdom
Hybrid / WFH Options
Trili
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. 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 ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Staff Software Engineer - RISC-V

London, United Kingdom
Hybrid / WFH Options
Trilitech
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 Kord.fi and More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Business Development Manager - Web3 Strategic Partnerships

London, United Kingdom
LMAX Group
ensuring clear communication across internal teams and external partners. Leverage a deep understanding of Web3 market trends, tokenization, DeFi principles, and smart contracts to guide business development initiatives. Maintain knowledge of enterprise blockchain solutions, regulatory frameworks, and emerging DeFi protocols to inform strategic decisions. Work closely with … and managing a sales pipeline, securing strategic partnerships, and executing PoCs. Solid understanding of Web3, tokenization, and DeFi principles. Familiarity with smart contracts, enterprise blockchain solutions, and the regulatory landscape surrounding these technologies. Experience in solution architecture, project/program management, or pre-sales engineering is a More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Backend TypeScript Software Engineer

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 , smart contracts 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, smart contract 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 , smart contracts, 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 ❯
Posted:

Backend TypeScript Software Engineer

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 , smart contracts 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, smart contract 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 , smart contracts, 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 ❯
Posted:

Backend TypeScript Software Engineer

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 , smart contracts 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, smart contract 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 , smart contracts, 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 ❯
Posted:

Product Management Director, Data Feeds

London, United Kingdom
Hybrid / WFH Options
Chainlink Labs
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 … 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 … 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 More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Head of Builders Programme

London, United Kingdom
Hybrid / WFH Options
Trilitech
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 Kord.fi and More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Head of Security | Technology Team

London Area, United Kingdom
Concordium
About the Role As the Head of Security , you will develop, implement, and maintain security measures to protect the blockchain infrastructure, smart contracts, and organization from emerging threats. You will work closely with the engineering, product, and compliance teams to ensure our platform remains resilient against security … and network integrity. Threat Detection & Incident Response: Design and implement real-time monitoring, detection, and response frameworks to mitigate security threats and vulnerabilities. Smart Contract Security: Collaborate with developers to ensure best practices in smart contract design, conduct audits, and establish formal verification processes. Compliance & Regulatory … culture of security-first principles within the company. 📖Requirements: Proven experience in cybersecurity. Deep understanding of blockchain protocols, consensus mechanisms, cryptographic principles, and smart contract security. Experience in handling security incidents, vulnerabilities, and attacks on networks. Strong knowledge of cybersecurity frameworks, encryption standards, and best practices. Familiarity with More ❯
Posted:

Head of Security | Technology Team

london, south east england, United Kingdom
Concordium
About the Role As the Head of Security , you will develop, implement, and maintain security measures to protect the blockchain infrastructure, smart contracts, and organization from emerging threats. You will work closely with the engineering, product, and compliance teams to ensure our platform remains resilient against security … and network integrity. Threat Detection & Incident Response: Design and implement real-time monitoring, detection, and response frameworks to mitigate security threats and vulnerabilities. Smart Contract Security: Collaborate with developers to ensure best practices in smart contract design, conduct audits, and establish formal verification processes. Compliance & Regulatory … culture of security-first principles within the company. 📖Requirements: Proven experience in cybersecurity. Deep understanding of blockchain protocols, consensus mechanisms, cryptographic principles, and smart contract security. Experience in handling security incidents, vulnerabilities, and attacks on networks. Strong knowledge of cybersecurity frameworks, encryption standards, and best practices. Familiarity with More ❯
Posted:

Back End Developer (blockchain)

Netherlands
Trading firm
our Blockchain understanding bringing in protocol-specific knowledge and best practices Develop and maintain on-chain and off-chain components, including smart contracts, indexers, and market-making bots Implement robust APIs and integrate with DeFi protocols, liquidity pools, and decentralized exchanges (DEXs) Design and optimize event-driven … experience in DeFi development (protocol interactions, arbitrage, liquidity management). Strong blockchain knowledge, including nodes, consensus mechanisms (PoW, PoS), and Web3 Experience with smart contract development in Solidity and/or Rust Deep understanding of backend architecture, including scalable distributed systems, microservices, and event-driven processing Hands-on More ❯
Employment Type: Permanent
Salary: EUR Annual
Posted:

Blockchain Backend Expert

London, United Kingdom
Superland Inc
date with all that is new and modern in the industry. We have worked with popular crypto projects on the Ethereum and Binance Smart Chain. We pride ourselves on being the perfect solution to all your blockchain/cryptocurrency needs. Role Description: Backend pro efficient in Node.js or … Python, and Node.js Strong understanding of blockchain architecture and consensus algorithms Experience in cloud platforms, like AWS and Azure Familiarity with smart contracts and Solidity programming is a plus Experience in peer-to-peer network protocols is a plus Strong analytical and problem-solving skills Excellent communication More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Rust Developer

Netherlands
Radley James
specific knowledge and best practices to the team's blockchain development efforts Build and maintain on-chain and off-chain components (smart contracts, indexers, bots, etc.) Implement robust APIs and integrate with DeFi protocols and DEXs Design event-driven microservices for processing blockchain transactions in real time … Strong proficiency in one or more of the following: Python, Rust, Go, Java Deep knowledge of blockchain fundamentals and DeFi protocols Experience in smart contract development (Solidity and/or Rust) Strong understanding of distributed systems, microservices, and real-time processing Familiarity with cloud platforms (AWS, GCP, or More ❯
Employment Type: Permanent
Salary: EUR Annual
Posted:

Front-End Developer (Web3/AI)

Dover, Kent, United Kingdom
Recooty
in JavaScript, HTML5, and CSS3. Experience with modern JavaScript frameworks (React, Vue.js, or Angular). Familiarity with Web3 technologies, including Ethereum, smart contracts, and dApps. Experience integrating blockchain wallets (e.g., MetaMask) into web applications. Knowledge of responsive design principles and cross-browser compatibility. Proficiency in version control More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Senior Associate, Forensic Accounting - Cryptocurrency

London, United Kingdom
Forensic Risk Alliance
others). Chainalysis Reactor, TRM Labs, or equivalent Certification preferred. Demonstrate evidence of cryptocurrency ecosystem knowledge to include an understanding of blockchain and smart contract technologies, the underlying blockchain architecture, and uses of cryptocurrency and DeFi. Strong understanding of the compliance and regulatory frameworks applicable to financial institutions More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Blockchain Developer

united kingdom
Hybrid / WFH Options
Parkside Recruitment
and work on designing, developing, and deploying the smart contract infrastructure for this platform. Responsibilities: Design, develop, and deploy smart contracts 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 smart contract 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 smart contract 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 ❯
Posted:

REMOTE Blockchain Developer

San Mateo, California, United States
Hybrid / WFH Options
SMART DESIGN
Responsibilities Design and develop blockchain-based systems and applications Develop smart contracts 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 smart contract 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 ❯
Employment Type: Any
Salary: USD 95 Hourly
Posted:

Rust - Blockchain Developer

Netherlands
Radley James
low-latency systems for DEX and DeFi trading Design and optimize real-time blockchain infrastructure (on-chain + off-chain) Develop smart contracts, market-making bots, indexers, and APIs Collaborate directly with Traders, Quants, and Engineers to shape the tech driving our Digital Assets desk Grow your … development experience (Python, Rust, Go, Java) Having worked with Rust for at least 1 year Deep understanding of blockchain ecosystems, DeFi protocols, and smart contract development Experience with distributed systems, microservices, and cloud-native tools (AWS, Docker, Kubernetes) Bonus if you've worked on MEV strategies, low-latency More ❯
Employment Type: Permanent
Salary: EUR Annual
Posted:

Associate/ Senior Associate, Investigations - Cryptocurrency

London, United Kingdom
Warner Scott Recruitment
engineering, or a related field. Experience with blockchain analytics tools (Chainalysis, TRM Labs, Elliptic, etc.); certification preferred. Strong understanding of blockchain, smart contracts, DeFi, and crypto ecosystems. Knowledge of financial regulations (FinCEN, FFIEC, AML guidelines). Strong analytical, investigative, and organizational skills. Advanced proficiency in Excel and More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:
Smart Contracts
10th Percentile
£79,000
25th Percentile
£85,000
Median
£130,000
75th Percentile
£150,000
90th Percentile
£162,500