3,144 Crypto & Web3 jobs
Open tech roles at companies in crypto, blockchain and web3.
Principal Security Engineer
Principal Security Engineer running security operations at a fully remote crypto-custody SaaS startup: incident detection and response, vulnerability assessments, red-team exercises, security tooling/automation, and audits of APIs and cloud infrastructure. Core stack spans Rust/Go/Python/TypeScript, AWS/GCP, and OWASP-focused web security.
DevOps Engineer
DevOps engineer for an early-stage startup building a StarkNet oracle and zk-rollup data infrastructure for Ethereum. Day to day: architect scalable, low-latency cloud data infrastructure, set up secure continuous-delivery processes, and work across multiple cloud providers (AWS/Azure/GCP) with data partners.
Data Engineering Team Lead
Manage and grow a data engineering team at an Ethereum-focused startup, building data infrastructure and helping product, business, and marketing teams make data-driven decisions. Requires 5+ years' experience including leadership, with Python/Rust/JavaScript, SQL/GraphQL, and distributed data tools like Spark and Hadoop.
Backend Developer ExpressJS
Backend Developer building Node.js/Express services for an NFT marketplace for luxury brands — designing scalable APIs (GraphQL, Postgres), moving toward a decentralized microservice architecture, and owning code from sketch to production with CI/CD, testing, and DevOps practices in a remote-first startup.
Founding Lead Developer
Founding lead developer at a pre-seed startup building a peer-to-peer options/derivatives marketplace for NFT collections. You'll own the tech: design architecture and stack, write specs, build and maintain the DeFi product, ensure code quality, and manage a small dev team, working with NFT protocols, web3 front-ends, and cloud APIs.
Software Engineer - .Net Core
Software engineer at a 30-person custom software shop serving enterprise clients, building web components and production-ready services on .NET Core (or React/Node/Java), deployed to Azure via Azure DevOps. Day-to-day includes coding, unit/integration testing, prototypes, and peer code reviews; currently fully remote within Vancouver, moving to hybrid.
Senior Front End Engineer
Senior Frontend Engineer building a cross-platform web and mobile frontend with React/React Native for a web3 social network where creators own their own micro-economies (NFTs, social tokens). Must live in or near San Francisco; web3 experience not required.
Frontend Developer (Portugal Remote)
Senior frontend developer at Applied Blockchain in Porto, building decentralized apps (DApps) on Ethereum: developing React UIs, integrating REST APIs and a proprietary blockchain SDK, writing automated tests, and reviewing pull requests. Requires 5+ years of JavaScript and 1.5+ years of React experience.
Backend Developer (Portugal)
Senior backend developer at a blockchain consultancy in Porto building decentralized apps and smart contracts on Ethereum for startup and corporate clients. Day to day: Node.js services and REST APIs for React apps, Solidity smart contracts with automated tests, code reviews, and deploying features to staging and production.
Staff Software Engineer, Graphs Software
Staff engineer at Chainalysis leading the design and delivery of cloud-native graph data platform features for crypto investigations — owning high-throughput AWS services, driving a move to streaming architecture, and mentoring engineers. Stack: Java/Spring Boot, TypeScript/React/Angular, Kafka, Kubernetes, Terraform, PostgreSQL.
Rust Developer
Builds and maintains Switchboard's community-curated oracle ecosystem on Solana: designing Rust smart contracts, improving on-chain infrastructure, and writing open-source clients. Stack includes Rust on-chain, Node/TypeScript off-chain, React, OpenTelemetry, and Terraform. Remote within Americas timezones or onsite in Miami, FL.
Principal Product Manager, Arc Consumer
Owns the product strategy and roadmap for a new consumer app built on Arc, Circle's stablecoin-focused blockchain, translating complex onchain capabilities (wallets, stablecoins, swaps, DeFi, payments, AI agents) into simple, trustworthy consumer experiences. Cross-functional leadership across Design, Engineering, Data, and Research.
Frontend Engineer - React/React Native (Fintech Loyalty)
Frontend Software Engineer on Coinbase's Financial Services & Loyalty team, owning web and mobile development for card onboarding, rewards, transactions, and payments using React and React Native, while partnering with product, design, and backend engineers to improve conversion, activation, and retention.
Founding Engineer
Founding engineer at Luabase, a 6-person, $4.5M-funded startup building a SQL-based data stack for web3 teams. You'd build real-time on-chain and off-chain data pipelines, a dbt-based modeling layer, a blockchain decoding layer, and optimize ClickHouse performance, using Python and SQL.
GoLang Developer with Blockchain Experience
Develops and maintains the Energi blockchain platform, building, reviewing, and designing maintainable code in Go and Solidity. Fully remote role open only to applicants in Asian countries, paid 50% in NRG and 50% in ETH, requiring solid blockchain experience.
UX/UI Designer - Web3 - UK/EU (Remote)
A Web3 business is hiring a remote UX/UI Designer (UK/EU) to lead design of its Web3 infrastructure products and landing pages — defining design guidelines, visual and interaction patterns, and running user/market research. Needs 3+ years designing web/mobile products; SaaS or Web3 experience is a bonus.
Senior Product Manager - Web3
Senior Product Manager for a Web3 commerce platform, setting product vision and roadmap and owning the full product lifecycle for Metaverse commerce features while working with engineering, UX, and cross-functional teams on protocol releases. Deep familiarity with blockchain, Ethereum, smart contracts, and DeFi is central to the role.
Senior UX Researcher for International Fintech (fully remote role)
Fully remote Senior UX Researcher at an international fintech whose core product is secure Bitcoin storage bridging traditional finance and digital currencies. The researcher owns the end-to-end UX research lifecycle, shaping product strategy with cross-cultural research across LATAM, Asia and/or Africa.