26 to 50 of 224 Permanent Solidity Jobs

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 ❯

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 ❯

Social network you want to login/join with: (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 … 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 ❯

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 ❯

stages of the development lifecycle for the Autonity protocol and its blockchain node client (a fork of go-ethereum). These include: Implementing new protocol features in Go and Solidity Developing new distributed systems tests and frameworks Contributing to protocol and design specifications Working with members of the community to resolve issues Your work will ensure that Autonity client is … primitives BONUS POINTS Experience developing on a blockchain node client (preferably Ethereum-like) Knowledge of distributed systems theory obtained from coursework or self-study Smart contract programming experience using Solidity and Web3 APIs Our compensation is blockchain competitive and dependent on your skills & experience. #J-18808-Ljbffr More ❯

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 ❯

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 ❯

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 ❯

We are seeking a talented Solidity Developer for a permanent position within the accounting industry. This role requires in-person attendance, highlighting our commitment to collaboration and teamwork. As a Solidity Developer, you will be instrumental in developing and implementing smart contracts, leveraging your expertise in blockchain technology to drive innovative solutions. Join us and be part of a dynamic … skills, both written and verbal, are vital for collaborating with diverse stakeholders. Familiarity with accounting principles or financial systems may be advantageous. Responsibilities: Design and implement smart contracts using Solidity, ensuring optimal performance and security. Collaborate with cross-functional teams to gather requirements and translate them into technical specifications. Conduct thorough testing and debugging of smart contract code to maintain More ❯

Next.js. Integrate Web3 libraries such as Ether.js, Web3.js, and Wagmi. Design and build robust backend systems using Rust, Go, or Node.js. Collaborate with smart contract engineers and contribute to Solidity (EVM) and Rust (Solana) smart contract development. Work closely with the UX design team to bring intuitive interfaces to life. Deploy and manage cloud infrastructure on AWS; use AWS CDK … expertise in Rust, Golang, or Node.js. Frontend proficiency in React and Next.js. Solid experience with Web3 development libraries: Ether.js, Web3.js, Wagmi, etc. Hands-on experience deploying and interacting with Solidity smart contracts (EVM-based). Familiarity with Rust smart contracts for Solana is a big plus. Proven experience with AWS infrastructure (must-have). Experience with AWS CDK (TypeScript) for More ❯

the code Write technical user manuals Be knowledgeable of distributed and concurrent computation Be knowledgeable of cryptography Requirements Who you are: A minimum of 5 years of development experience (Solidity, Rust or TypeScript) Experience working with Git Practical experience with Agile software development methods Knowledge of functional and object-oriented programming paradigms Degree in Computer Science is desirable but not … essential Be knowledgeable of cryptography and usage in blockchains Demonstrated proficiency in programming languages such as Solidity, Rust, and TypeScript Design, develop, and deploy smart contracts on multiple blockchains Create and optimize on-chain program architectures for efficiency, scalability, and security Ensure all smart contracts are rigorously tested and audited to meet high security standards Experience working with smart contracts More ❯

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 ❯

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 ❯

WILL DO Design, develop, and maintain full-stack Web3 applications—ranging from user interfaces and APIs to smart contracts and blockchain integrations. Implement smart contracts 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, and deliver features end … building and shipping Web3 applications to real users. Deep knowledge of backend development, including RESTful APIs, databases, and secure infrastructure practices. Hands-on experience with smart contract 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 and tools such as ethers.js More ❯

plus at least 4 years of progressive experience developing software applications is required. Proficiency in programming languages like Python and/or C++. Experience with smart contract development in Solidity or Rust is a plus. Familiarity with Web3, DeFi protocols, EVM, DAOs, and NFTs is a plus. Excellent attention to detail and accuracy and a thorough understanding of full life More ❯

security, computer science, or related field; 3+ years of experience as a blockchain developer. Proficiency in programming languages such as C++, Java, JavaScript, and/or Python. Experience with Solidity contracts: writing, auditing. Knowledge of Web3.js. Experience in back-end development, algorithms, and data structures. Experience working with large codebases. Knowledge of cryptography and blockchain protocols (Hyperledger, Multichain, Enterprise Ethereum More ❯

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 More ❯

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 ❯

if you have: Leadership skills +5 years of software engineering experience in backend teams using primarily Node.js and TypeScript for rapid development and deployment. Blockchain development and deployment using Solidity/Rust and Bitcoin experience with proven live audited code and contracts Natural ability to write clean and elegant code, whilst being diligent and pragmatic in equal measure Experience working More ❯

Blockchain QA Engineer to join our dynamic team. You will play a crucial role in ensuring the quality and reliability of our blockchain technologies, including Go node clients and Solidity protocol contracts. This position demands a detail-oriented professional who thrives in a fast-paced environment and is passionate about groundbreaking blockchain technology. RESPONSIBILITIES Develop and implement comprehensive QA strategies More ❯

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 ❯

IT - Defi Connectivity Developer - London London About us: B2C2 is a digital asset pioneer building the ecosystem of the future. The firm has unlocked institutional access to crypto by providing reliable liquidity across market conditions. B2C2’s success is built More ❯

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 ❯

Social network you want to login/join with: 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 … 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 ❯

Social network you want to login/join with: 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 … 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 ❯