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 More ❯
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 More ❯
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 More ❯
/JavaScript skills Familiar with microservices architecture and REST APIs Ability to quickly learn new technologies Advanced understanding of security practices Nice to have Solidity, Rust or Golang skills are a plus Other technologies of interest: Message queues (Redis), Caches and Job Queues More ❯
the traders. Y our Role: Contribute production-grade code in Rust, Python, and related technologies Build systems that interact with on-chain protocols (e.g., Solidity, JSON-RPC, Solana, MEV workflows) Develop and refine real-time monitoring, strategy tools, and execution pipelines Integrate with DeFi protocols (AMMs, lending platforms, etc.) Work More ❯
the traders. Y our Role: Contribute production-grade code in Rust, Python, and related technologies Build systems that interact with on-chain protocols (e.g., Solidity, JSON-RPC, Solana, MEV workflows) Develop and refine real-time monitoring, strategy tools, and execution pipelines Integrate with DeFi protocols (AMMs, lending platforms, etc.) Work More ❯
chain MRV (Measurement, Reporting & Verification) data. Delivering end-to-end functionality alongside comprehensive, audit-ready documentation. The ideal candidate will have solid experience with Solidity, Hyperledger Besu, and Web3 tooling, as well as a good understanding of carbon markets or environmental data systems. This contract offers the chance to work More ❯
volatile nature of the blockchain industry. Strong communication skills across all levels of the organization. Blockchain: Understand the Ethereum blockchain, EIPs, Tokens, and advanced Solidity programming. 10-15 years of technical work experience in public blockchain development. Other Requirements: We follow a hybrid work structure, and the resource is expected More ❯
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 … 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 … 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 More ❯
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 … 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 … 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. More ❯
ourselves on being the perfect solution to all your blockchain/cryptocurrency needs. Role Description: Backend pro efficient in Node.js or Golang Blockchain expert (Solidity, Rust) Good knowledge of cryptography Must have solid understanding of hashing and encryption algorithms Efficient knowledge of SNARKs, proofs generation and verification Must be able … 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 skills and ability More ❯
tracking , and value transfer mechanisms . You’ll collaborate closely with DevOps and backend engineers in a modern serverless stack , with exposure to TACT , Solidity , Rust , and Move . About the Company: Our client is a well-funded Web3 venture backed by leaders in gaming and crypto. Their mission is … influence technical direction and contribute directly to a rapidly evolving space. Key Responsibilities: Design and develop smart contracts using TACT or equivalent languages like Solidity , Rust , or Move Ensure contracts are modular, secure, upgradeable, and deterministic Maintain smart contract interfaces and collaborate across frontend/backend functions Support testnets, write … comprehensive test coverage, and work with audit partners Translate product logic into robust on-chain systems Requirements: 2+ years of smart contract development (e.g., Solidity , Rust , Cairo , Move ) Strong grasp of blockchain fundamentals — including gas optimization , on-chain/off-chain patterns , and consensus mechanisms Experience designing modular, event-driven More ❯
tracking , and value transfer mechanisms . You’ll collaborate closely with DevOps and backend engineers in a modern serverless stack , with exposure to TACT , Solidity , Rust , and Move . About the Company: Our client is a well-funded Web3 venture backed by leaders in gaming and crypto. Their mission is … influence technical direction and contribute directly to a rapidly evolving space. Key Responsibilities: Design and develop smart contracts using TACT or equivalent languages like Solidity , Rust , or Move Ensure contracts are modular, secure, upgradeable, and deterministic Maintain smart contract interfaces and collaborate across frontend/backend functions Support testnets, write … comprehensive test coverage, and work with audit partners Translate product logic into robust on-chain systems Requirements: 2+ years of smart contract development (e.g., Solidity , Rust , Cairo , Move ) Strong grasp of blockchain fundamentals — including gas optimization , on-chain/off-chain patterns , and consensus mechanisms Experience designing modular, event-driven More ❯
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 … feedback to their developers 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 with frontend and backend systems, and experience creating and interacting with The Graph. You have strong hands … deep understanding of blockchain architecture, token standards (ERC-20, ERC-721, ERC-1155), and non-standard implementations (e.g., USDC). You are knowledgeable about Solidity best practices and common security vulnerabilities. You thrive when solving complex, ambiguous problems and enjoy working across disciplines to find optimal solutions. You are passionate More ❯
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 … to their developers. Why You're Made For This We are seeking an experienced Web3 Engineer with expertise in EVM-based smart contracts using Solidity, Web3 JS/TS libraries for contract interactions with frontend and backend systems, and experience with The Graph. You've shipped multiple production-grade dApps … understanding of blockchain architecture, token standards (ERC-20, ERC-721, ERC-1155), and non-standard token implementations (e.g., USDC). You are knowledgeable about Solidity best practices and common security vulnerabilities. You enjoy solving complex, ambiguous problems and working across disciplines for optimal solutions. You are passionate about the Web3 More ❯
About Moonsong Labs Moonsong Labs is a cutting-edge Web3 and AI venture studio and services company focused on driving projects and ideas in the next wave of developer and end user adoption. We're assembling a dream team of More ❯
