1 to 25 of 41 Remote/Hybrid Smart Contracts Jobs

startup building core infrastructure for decentralised finance. They are looking for a solidity engineer to design and ship secure, production grade smart contracts that will power high value financial products like stablecoins, liquidity infrastructure, and DeFi protocols. Role: Design, develop, and maintain advanced Solidity smart contracts Contribute to protocol architecture, design patterns, and technical direction Write unit, integration, and fuzz tests using Foundry or similar frameworks Optimise and debug smart contracts for gas efficiency,performance,and security Collaborate with product and backend teams to deliver features Requirements: 3+ years ...

beneficial but not required. What they’re looking for: Strong production experience with Rust and Python Hands-on experience with smart contracts and Solidity at an application level 3–4+ years in crypto or DeFi-native roles Deep understanding of decentralized exchanges and the current DeFi landscape … cloud infrastructure Based in London or working remotely from anywhere in Europe Nice to have: Experience designing, writing, and deploying smart contracts On-chain trading or strategy development experience Familiarity with ecosystems such as Solana, Sui, or Cosmos Experience diagnosing performance, latency, or throughput issues Interest ...

beneficial but not required. What they're looking for: Strong production experience with Rust and Python Hands-on experience with smart contracts and Solidity at an application level 3–4+ years in crypto or DeFi-native roles Deep understanding of decentralized exchanges and the current DeFi landscape … cloud infrastructure Based in London or working remotely from anywhere in Europe Nice to have: Experience designing, writing, and deploying smart contracts On-chain trading or strategy development experience Familiarity with ecosystems such as Solana, Sui, or Cosmos Experience diagnosing performance, latency, or throughput issues Interest ...

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 … 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 ...

stack using NestJS, React, TypeScript, and PostgreSQL, within a monorepo environment. Blockchain Development Integrate Web3 libraries and frameworks to support: • Wallet connections • Smart contract interactions • Transaction flows • Onchain/offchain data handling Quality Assurance & Testing Write unit and integration tests to ensure code stability. Contribute to CI pipelines ...

stack using NestJS, React, TypeScript, and PostgreSQL, within a monorepo environment. Blockchain Development Integrate Web3 libraries and frameworks to support: • Wallet connections • Smart contract interactions • Transaction flows • Onchain/offchain data handling Quality Assurance & Testing Write unit and integration tests to ensure code stability. Contribute to CI pipelines ...

stack using NestJS, React, TypeScript, and PostgreSQL, within a monorepo environment. Blockchain Development Integrate Web3 libraries and frameworks to support: • Wallet connections • Smart contract interactions • Transaction flows • Onchain/offchain data handling Quality Assurance & Testing Write unit and integration tests to ensure code stability. Contribute to CI pipelines ...

stack using NestJS, React, TypeScript, and PostgreSQL, within a monorepo environment. Blockchain Development Integrate Web3 libraries and frameworks to support: • Wallet connections • Smart contract interactions • Transaction flows • Onchain/offchain data handling Quality Assurance & Testing Write unit and integration tests to ensure code stability. Contribute to CI pipelines ...

stack using NestJS, React, TypeScript, and PostgreSQL, within a monorepo environment. Blockchain Development Integrate Web3 libraries and frameworks to support: • Wallet connections • Smart contract interactions • Transaction flows • Onchain/offchain data handling Quality Assurance & Testing Write unit and integration tests to ensure code stability. Contribute to CI pipelines ...

stack using NestJS, React, TypeScript, and PostgreSQL, within a monorepo environment. Blockchain Development Integrate Web3 libraries and frameworks to support: • Wallet connections • Smart contract interactions • Transaction flows • Onchain/offchain data handling Quality Assurance & Testing Write unit and integration tests to ensure code stability. Contribute to CI pipelines ...

stack using NestJS, React, TypeScript, and PostgreSQL, within a monorepo environment. Blockchain Development Integrate Web3 libraries and frameworks to support: • Wallet connections • Smart contract interactions • Transaction flows • Onchain/offchain data handling Quality Assurance & Testing Write unit and integration tests to ensure code stability. Contribute to CI pipelines ...

stack using NestJS, React, TypeScript, and PostgreSQL, within a monorepo environment. Blockchain Development Integrate Web3 libraries and frameworks to support: • Wallet connections • Smart contract interactions • Transaction flows • Onchain/offchain data handling Quality Assurance & Testing Write unit and integration tests to ensure code stability. Contribute to CI pipelines ...

stack using NestJS, React, TypeScript, and PostgreSQL, within a monorepo environment. Blockchain Development Integrate Web3 libraries and frameworks to support: • Wallet connections • Smart contract interactions • Transaction flows • Onchain/offchain data handling Quality Assurance & Testing Write unit and integration tests to ensure code stability. Contribute to CI pipelines ...

stack using NestJS, React, TypeScript, and PostgreSQL, within a monorepo environment. Blockchain Development Integrate Web3 libraries and frameworks to support: • Wallet connections • Smart contract interactions • Transaction flows • Onchain/offchain data handling Quality Assurance & Testing Write unit and integration tests to ensure code stability. Contribute to CI pipelines ...

stack using NestJS, React, TypeScript, and PostgreSQL, within a monorepo environment. Blockchain Development Integrate Web3 libraries and frameworks to support: • Wallet connections • Smart contract interactions • Transaction flows • Onchain/offchain data handling Quality Assurance & Testing Write unit and integration tests to ensure code stability. Contribute to CI pipelines ...

stack using NestJS, React, TypeScript, and PostgreSQL, within a monorepo environment. Blockchain Development Integrate Web3 libraries and frameworks to support: • Wallet connections • Smart contract interactions • Transaction flows • Onchain/offchain data handling Quality Assurance & Testing Write unit and integration tests to ensure code stability. Contribute to CI pipelines ...

stack using NestJS, React, TypeScript, and PostgreSQL, within a monorepo environment. Blockchain Development Integrate Web3 libraries and frameworks to support: • Wallet connections • Smart contract interactions • Transaction flows • Onchain/offchain data handling Quality Assurance & Testing Write unit and integration tests to ensure code stability. Contribute to CI pipelines ...

stack using NestJS, React, TypeScript, and PostgreSQL, within a monorepo environment. Blockchain Development Integrate Web3 libraries and frameworks to support: • Wallet connections • Smart contract interactions • Transaction flows • Onchain/offchain data handling Quality Assurance & Testing Write unit and integration tests to ensure code stability. Contribute to CI pipelines ...

stack using NestJS, React, TypeScript, and PostgreSQL, within a monorepo environment. Blockchain Development Integrate Web3 libraries and frameworks to support: • Wallet connections • Smart contract interactions • Transaction flows • Onchain/offchain data handling Quality Assurance & Testing Write unit and integration tests to ensure code stability. Contribute to CI pipelines ...

stack using NestJS, React, TypeScript, and PostgreSQL, within a monorepo environment. Blockchain Development Integrate Web3 libraries and frameworks to support: • Wallet connections • Smart contract interactions • Transaction flows • Onchain/offchain data handling Quality Assurance & Testing Write unit and integration tests to ensure code stability. Contribute to CI pipelines ...

stack using NestJS, React, TypeScript, and PostgreSQL, within a monorepo environment. Blockchain Development Integrate Web3 libraries and frameworks to support: • Wallet connections • Smart contract interactions • Transaction flows • Onchain/offchain data handling Quality Assurance & Testing Write unit and integration tests to ensure code stability. Contribute to CI pipelines ...

grade systems that combine cryptographic innovation with real-world financial mechanics. The Protocol Engineer will work across zero-knowledge infrastructure, matching engines and smart contract interfaces to ensure scalable, secure and verifiable decentralised execution. Key Accountabilities as Protocol Engineer Protocol Design and Implementation – Architect and build order book … Rust components across execution, memory and concurrency layers. Cryptoeconomic Design – Contribute to incentive models, adversarial analysis and core security assumptions underpinning protocol integrity. Smart Contract Development – Build Solidity interfaces bridging on-chain and off-chain environments with secure state management. Security and Audits – Support internal reviews and external ...

grade systems that combine cryptographic innovation with real-world financial mechanics. The Protocol Engineer will work across zero-knowledge infrastructure, matching engines and smart contract interfaces to ensure scalable, secure and verifiable decentralised execution. Key Accountabilities as Protocol Engineer Protocol Design and Implementation – Architect and build order book … Rust components across execution, memory and concurrency layers. Cryptoeconomic Design – Contribute to incentive models, adversarial analysis and core security assumptions underpinning protocol integrity. Smart Contract Development – Build Solidity interfaces bridging on-chain and off-chain environments with secure state management. Security and Audits – Support internal reviews and external ...

grade systems that combine cryptographic innovation with real-world financial mechanics. The Protocol Engineer will work across zero-knowledge infrastructure, matching engines and smart contract interfaces to ensure scalable, secure and verifiable decentralised execution. Key Accountabilities as Protocol Engineer Protocol Design and Implementation – Architect and build order book … Rust components across execution, memory and concurrency layers. Cryptoeconomic Design – Contribute to incentive models, adversarial analysis and core security assumptions underpinning protocol integrity. Smart Contract Development – Build Solidity interfaces bridging on-chain and off-chain environments with secure state management. Security and Audits – Support internal reviews and external ...

grade systems that combine cryptographic innovation with real-world financial mechanics. The Protocol Engineer will work across zero-knowledge infrastructure, matching engines and smart contract interfaces to ensure scalable, secure and verifiable decentralised execution. Key Accountabilities as Protocol Engineer Protocol Design and Implementation – Architect and build order book … Rust components across execution, memory and concurrency layers. Cryptoeconomic Design – Contribute to incentive models, adversarial analysis and core security assumptions underpinning protocol integrity. Smart Contract Development – Build Solidity interfaces bridging on-chain and off-chain environments with secure state management. Security and Audits – Support internal reviews and external ...