Solidity Job Vacancies

1 to 25 of 43 Solidity Jobs

Blockchain Developer

Netherlands
Radley James
software engineering experience, ideally in Python , Rust , Go , or Java Deep knowledge of blockchain tech, consensus mechanisms, and Web3 Hands-on experience with DeFi protocols and smart contract development (Solidity and/or Rust) Strong background in scalable back-end systems (microservices, event-driven architectures) Familiar with cloud platforms (AWS, GCP, or Azure), Docker/Kubernetes , Kafka, Redis, and WebSockets More ❯
Employment Type: Permanent
Salary: EUR Annual
Posted:

Blockchain Developer

Amsterdam, Noord-Holland, Netherlands
Radley James
software engineering experience, ideally in Python , Rust , Go , or Java Deep knowledge of blockchain tech, consensus mechanisms, and Web3 Hands-on experience with DeFi protocols and smart contract development (Solidity and/or Rust) Strong background in scalable back-end systems (microservices, event-driven architectures) Familiar with cloud platforms (AWS, GCP, or Azure), Docker/Kubernetes , Kafka, Redis, and WebSockets More ❯
Employment Type: Permanent
Salary: EUR Annual
Posted:

Blockchain Developer - Solidity

United Kingdom
Hybrid / WFH Options
Solas IT Recruitment
Senior Full-Stack Blockchain Developer to join our innovative and forward-thinking team. As a key contributor, you will work on cutting-edge blockchain solutions, leveraging your expertise in Solidity , Node.js , and React (or other modern JavaScript frameworks). Proficiency in languages like C# , Go , or Rust is a strong advantage. 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. Full-Stack Development : Build and maintain scalable front-end and back-end systems using Node.js and React (or other … 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. Strong proficiency in Node.js and React (or similar JavaScript frameworks). Experience building RESTful APIs and web applications. Solid understanding of data structures, algorithms, and distributed More ❯
Posted:

Senior Solidity Engineer / Smart Contract Engineer

London, United Kingdom
Hybrid / WFH Options
P2P
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 ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Senior Golang Backend Engineer

United Kingdom
Hybrid / WFH Options
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: GCP, AWS, Kubernetes 100+ Go services processing data for 15+ blockchains 200Gb of raw data processed every day 2Tb of staking data available through our Kiln Connect API More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Senior SRE - Protocol

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

Blockchain Developer

United Kingdom
Hybrid / WFH Options
Noir
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 ❯
Posted:

Blockchain Developer

City of London, London, United Kingdom
Hybrid / WFH Options
Noir
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 ❯
Posted:

Blockchain Developer

London Area, United Kingdom
Hybrid / WFH Options
Noir
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 ❯
Posted:

Senior Solutions Engineer

United Kingdom
Hybrid / WFH Options
P2P
designing, implementing, or significantly contributing to on-chain token pools, liquidity pools, escrow contracts, vault contracts, or similar financial primitives that involve managing and transferring tokenised assets. Proficiency in Solidity: Strong and hands-on experience in smart contract development using Solidity and/or Rust, including knowledge of common patterns, security pitfalls, and gas optimisation techniques. General Blockchain & EVM Knowledge … L2 solutions. Experience working with or building components for DeFi protocols Familiarity with tools and techniques for monitoring on-chain activity and smart contract events. Advanced skills in optimising Solidity code for gas efficiency. Public contributions to relevant open-source projects. All roles with Chainlink Labs are global and remote-based. Unless otherwise stated, we ask that you try to More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Blockchain Developer

City of London, London, United Kingdom
Hybrid / WFH Options
Fidelity International
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 ❯
Posted:

Blockchain Developer

London Area, United Kingdom
Hybrid / WFH Options
Fidelity International
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 ❯
Posted:

Senior web3 Solidity Engineer

London, United Kingdom
Improbable Ltd
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 ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Principal web3 Solidity Engineer London London

London, United Kingdom
Improbable Worlds Limited
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 ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Web3 Security Researcher

EC1V, Bunhill, Greater London, United Kingdom
Hybrid / WFH Options
Technical Futures Ltd
Web3/Smart Contracts Auditor – Security Software Engineer (Remote, UK/EU) Are you experienced in Security Software and Web3/Smart Contract Auditing, with strong programming skills in Solidity, Go, Rust, or C++? Do you want to join a world-class team securing some of the most advanced blockchain protocols? This is a unique opportunity to work with a … research opportunities. What We’re Looking For: A relevant PhD (Mathematics, Cryptography, or Computer Science). Proven experience in Web3/Smart Contract Auditing. Programming expertise in Go, Rust, Solidity, and/or C/C++. Strong understanding of code security and attacker models. Familiarity with financial mathematics or modeling is a plus. Experience or strong interest in zero-knowledge More ❯
Employment Type: Permanent
Posted:

Blockchain Engineer

London, United Kingdom
Hybrid / WFH Options
Scrums
behind us already but you'll be driving the coding of smart contracts and everything that comes with them. Living in Web3 is the name of the game, and solidity/JS is your smart contract safe zone. Our ideal candidate can see the bigger picture and architect both front end and back-end systems to accomplish product goals. Experience More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Blockchain Integration Specialist (Fully Remote, Worldwide)

United Kingdom
Hybrid / WFH Options
Bitfinex
and other cryptocurrencies Advanced Node/JavaScript skills Familiar with microservices architecture and REST APIs Ability to quickly learn new technologies Advanced understanding of security practices Other Valuable Skills: Solidity, Rust or Golang skills are a plus Other technologies of interest: Message queues (Redis), Caches and Job Queues What We Offer: Flexible Work & Remote-Friendly Culture Mentorship & Growth Competitive Pay More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Remote Blockchain Developer (Solidity / Smart Contract) - Quantum Studio

United Kingdom
Hybrid / WFH Options
Blockchain Works
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 smart contract development and deployment. Sound understanding of consensus algorithms, cryptography, and security principles. Familiarity with blockchain development tools and frameworks. Exceptional problem More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Software Engineer - Web3 / Blockchain

United Kingdom
Hybrid / WFH Options
Harrington Starr
/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. Greenfield development. What you will need Excellent knowledge of Python and Django More ❯
Posted:

Senior Software Engineer - Web3 / Blockchain

United Kingdom
Hybrid / WFH Options
Harrington Starr
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. Greenfield development. What you will need Excellent knowledge of Python and Django More ❯
Posted:

Senior Fullstack Engineer Web3

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

Senior Full Stack Web3 Engineer

United Kingdom
Superduper
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 ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

REMOTE Blockchain Developer

Bronx, New York, United States
Hybrid / WFH Options
DESIGNWORKS
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-solving and communication skills Qualifications Bachelor's degree in Computer Science, Information Technology, or related field Certified Blockchain Developer or related certification (optional) Proven experience More ❯
Employment Type: Any
Salary: USD 150 Hourly
Posted:

Senior Blockchain Engineer - $180k

New Jersey, United States
Feldspar & Flint LLC
providing exceptional candidates to meet the specific needs of our clients. Job Summary: We are seeking a highly skilled and experienced Senior Blockchain Engineer with a strong background in Solidity development and Quantitative Finance. The ideal candidate will possess deep expertise in financial instruments such as derivatives, swaps, lending, repo markets, collateral management, and liquidation , along with a solid understanding … a key role in designing, developing, and deploying secure and scalable smart contracts that power next-generation DeFi infrastructure. Key Responsibilities: Design, develop, test, and deploy smart contracts using Solidity for complex QuantFi use cases. Collaborate with product and finance teams to translate financial models into blockchain-based solutions. Conduct rigorous security testing using tools like Slither and Mythril to … Have Qualifications: Bachelor's degree in Computer Science , Engineering , Finance , or a related STEM field. Proven experience in Quantitative Finance , including derivatives, lending, and collateral systems. Strong proficiency in Solidity and smart contract development. Experience with Solidity security testing tools (e.g., Slither, Mythril). Hands-on experience with Hardhat and/or Foundry . Proficiency in scripting languages such as More ❯
Employment Type: Permanent
Salary: USD 180,000 Annual
Posted:

Senior Blockchain Engineer

England, United Kingdom
Cornwallis Elt Ltd
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 platform. The successful candidate will be tasked with building … 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 ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:
Solidity
25th Percentile
£50,000
Median
£90,000
75th Percentile
£141,250
90th Percentile
£152,500