3,155 Crypto & Web3 jobs
Open tech roles at companies in crypto, blockchain and web3.
Senior Backend Engineer
Senior Scala backend engineer on the Cloud Wallet team, building and operating the services behind blockchain account management, transaction processing and on-chain data aggregation for Ledger wallets and Ledger Enterprise. Works with Scala, functional programming, event-driven data infrastructure (PostgreSQL, RabbitMQ/NATS), observability tooling, and daily AI coding agents.
Machine Learning Engineer ($400k - $600k salary)
Machine Learning Engineer at Baton Corporation, which builds and runs the tech stack behind the largest memecoin launchpad. You'll own recommendation/personalization systems end to end (plus fraud and content moderation models) in Python with TensorFlow/PyTorch, from data pipelines to low-latency production inference. On-site in New York; $400k-$600k.
Senior Systems Software Engineer
Senior Systems Software Engineer at Terra Quantum in Munich (hybrid) building Quantum Key Distribution systems. Work involves high-performance Python services on Linux, optimizing QKD algorithms (sifting, error correction, privacy amplification), hardware acceleration via GPU/FPGA, and defining software architecture for the core QKD platform. Requires Python, asyncio, WebSockets, Docker/GitHub Act
Software Engineer, Mobile, Web3
Build and maintain OKX’s mobile apps for iOS/Android, shipping trading, wallet, and dApp features while optimizing performance for millions of users.
Internal Audit, Blockchain Engineering Auditor, Associate, Salt Lake City
Audit blockchain/digital-asset systems at Goldman Sachs, assessing controls, risks, and compliance for crypto products and infrastructure.
Senior / Tech Lead Mobile App Developer (Injective Labs)
Senior/Tech Lead mobile developer who owns Injective's React Native trading app end to end — architecture, hands-on TypeScript implementation, releases, monitoring, and mentoring engineers. Requires deep React Native experience plus fintech/trading and Web3/DeFi background; remote within EU or New York timezone.
Senior Technical Product Manager - Keet (100% Remote)
Senior Technical Product Manager who owns the vision, roadmap and hands-on execution of Keet, Tether's serverless peer-to-peer messaging and video calling app. Day to day: setting strategy against WhatsApp/Telegram, prototyping with AI tools, writing JavaScript/React, and leading cross-functional sprints to scale the product.
US CISO
Leads US security strategy for a digital bank expanding into America, balancing traditional banking compliance with crypto, AI, and regulatory oversight.
HFT C++ Core Systems Developer - 5-15 years experience
Core C++ Developer – Crypto High-Frequency Trading About Selini: Selini is a global trading firm focused on systematic trading and venture investing. Overview We are seeking an exceptional Core C++ Developer to…
Middle Platform Engineer
Platform engineer on EMCD's infrastructure team who builds and maintains the shared engineering platform: Kubernetes across cloud and bare-metal, Terraform/Ansible automation, GitLab CI pipelines, ArgoCD/Helm GitOps, and monitoring/logging/alerting, while helping dev teams ship to production safely. DevOps background growing into Platform Engineering/SRE, with Python or Go for internal tooling.
Backend Engineer - Wallets (100% Remote)
Backend Engineer on Tether's Wallets team, building scalable and secure backend services for the platform behind the USDT stablecoin. Day-to-day work centers on Node.js/JavaScript microservices, database integration (MySQL, MongoDB), peer-to-peer technologies, and rigorous security practices on a fully remote, global team.
Remote Backend Engineer: Scalable, Secure Microservices
Tether is hiring a backend engineer to build secure, scalable microservices for its global digital-finance platform, working primarily with Node.js, JavaScript, and databases such as MySQL and MongoDB on a remote, international team.
Senior Product Manager - Payments Platform
Senior Product Manager who owns the vision and roadmap for Kraken/Payward's in-house payments platform — a multi-tenant PSP backend plus developer-facing surfaces (APIs, SDKs, hosted pages) used by internal business teams. Day to day: partnering with engineering, banking/PSP partners and compliance to build and scale pay-in and payout rails (ACH, SEPA, SWIFT, etc.).
Senior Manager /Director, P2P Growth
Lead a team managing relationships with high-value crypto liquidity providers in OKX’s P2P marketplace, ensuring operational excellence, growth, and partner retention across Hong Kong and Singapore.
Growth Product Manager, Listing Campaign
Growth Product Manager at OKX designs and runs token-listing and trading campaigns to increase platform volume and assets, owning end-to-end delivery and data-driven optimization.