3,144 Crypto & Web3 jobs
Open tech roles at companies in crypto, blockchain and web3.
Data Engineer (Data Platform)
Data Engineer on Coinhako's Data Platform team (crypto exchange, Singapore): building and operating ingestion/ELT pipelines, warehouse data-quality checks, a metadata repository, and internal tool backends. Core stack is SQL, Python, Airflow/MWAA and AWS, with LLM/RAG integration for internal tools.
Senior Backend Engineer
Senior backend engineer in Shenzhen building high-concurrency, low-latency distributed microservices for a Layer 1 blockchain client spanning DeFi, cross-chain, and RWA. Core stack: Java with Spring Boot/Cloud, Kafka/RocketMQ, Redis Cluster, MySQL, plus EVM/Sui/Solana on-chain integration.
Senior Java Backend Engineer
Hands-on senior IC building the high-performance Java backend execution layer for a Singapore crypto SaaS startup's copy trading and on-chain analytics products, based in Shenzhen. Core work: high-throughput microservices, CEX/DEX/DeFi infrastructure, and AI-native coding tools, with cross-border collaboration with Singapore leadership.
Circle - Principal/Senior Principal Product Manager
Principal/Senior Principal Product Manager (Ecosystem) for a global fintech/digital payments client (Circle), driving stablecoin adoption and zero-to-one onchain product initiatives. Day to day: owning vision and roadmap, analyzing onchain data, and leading cross-functional squads across engineering, legal, and business.
Senior Blockchain Developer
Leads the design, development, and deployment of blockchain solutions — architecting and building smart contracts and decentralized apps (DApps) on platforms like Ethereum, Hyperledger Fabric, and Binance Smart Chain — while reviewing code, ensuring security, and mentoring junior developers.
Devops Engineer - WFH/Remote
Fully remote (Philippines) DevOps engineer for a start-up building a digital asset securities exchange: designing secure AWS/EKS infrastructure, running Jenkins/Kubernetes/Docker CI/CD, Terraform/Ansible provisioning, and Grafana/Prometheus monitoring for real-time trading systems.
QA Developer in the Revolutionary Blockchain Space
Remote QA Developer for a blockchain hosting platform: owning the testing strategy, building E2E test environments, automating tests for network upgrades and hard forks, and benchmarking blockchain performance. Core stack includes JavaScript, Git/GitHub, Docker and CI/CD, with hands-on crypto/decentralized tech experience expected.
Social Media Content Strategist - Remote
Remote social media content strategist creating short-form video, storytelling, and copy for culturally relevant brands across web3, gaming, entertainment, and fashion. Day to day: ideating and producing content, building creative playbooks, and scheduling posts across TikTok, YouTube, Instagram, Discord, and more.
Web3 Full-Stack Developer (React, Node, relocation to Paris)
Full-stack developer at DeFi startup ZeroDays, building the MVP of a decentralized peer-to-peer options trading platform in Paris alongside the co-founders. Core stack is React, Node.js, and TypeScript with blockchain skills (EVM, Solidity); role involves relocation to Paris with assistance under a B2B contractor arrangement.
Web3 Full-Stack Developer (React, Node, Solana)
ZeroDays, a Polychain-backed DeFi startup in Paris, is hiring a full-stack developer to build a decentralized peer-to-peer options trading platform on Solana. Day to day: building front-end and back-end with React, Node.js and TypeScript, with deep blockchain understanding and optional smart-contract work.
Senior Full-Stack Developer (React, Node, Blockchain)
Lead the MVP build of ZeroDays' decentralized options trading network (DeFi), working directly with co-founders. Day-to-day is full-stack development with React, Node.js, and TypeScript, plus blockchain work on Solana or Ethereum with smart contracts; a B2B contractor role based in Paris.
Parisian Full-Stack Developer with Expertise in DeFi, React, and Node
Full-stack developer at ZeroDays, a Polychain-backed DeFi startup building a peer-to-peer decentralized options network. You'll lead the MVP web app (React, Node.js, TypeScript, Next.js) alongside MIT/Jump Trading co-founders, onsite in Saint-Cloud/Paris under a B2B contractor arrangement.
Node.js and React Developer specializing in DeFi Solutions (Paris, Office)
Full-stack web developer building the MVP web app for ZeroDays' peer-to-peer decentralized options trading network, working alongside MIT/Jump Trading-educated co-founders in the Paris office. Core stack: React, Node.js, TypeScript, Next.js, with Solana/EVM blockchain familiarity.
Ingénieur Blockchain Spécialisé Smart Contracts (Paris)
Smart contract engineer at ZeroDays, a VC-backed (Polychain) DeFi startup in Paris building a peer-to-peer options trading platform. The role centers on designing and securing EVM smart contracts in Solidity, with 3+ years of smart contract development experience required and DeFi protocol expertise valued.