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Build and secure blockchain infrastructure, automate deployments, and monitor performance for a crypto staking startup.
Build and maintain high-performance frontend and backend services for Kraken’s onchain products, integrating blockchain networks and APIs with React, Node.js, and TypeScript.
Build and maintain a multi-chain DEX data analytics and trading platform using React/TypeScript, collaborating with backend teams to deliver DeFi infrastructure for on-chain trading.
Build and maintain secure, scalable infrastructure for Chronicle’s cybersecurity platform, focusing on cloud-native systems and threat detection pipelines.
OKX in Hong Kong seeks an experienced backend engineer to design, build, and optimize the Wallet Earn on-chain investment platform. You will scale high-concurrency systems, ensure fund safety, and integrate with DeFi…
Build low-latency crypto trading infrastructure and automated strategies for a global exchange, integrating CeFi/DeFi venues, risk systems, and real-time data pipelines.
United States Digital Space LLC is building the next generation of Web3 platforms, focusing on Wallet Earn and AI Agent Marketplace. You will design and scale back-end services, ensure security, and drive performance…
Build and maintain OKX’s mobile apps for iOS and Android, shipping trading, wallet, and Web3 features while optimizing performance for millions of users.
Build and maintain a mobile crypto exchange app for iOS/Android, shipping trading, wallet, and dApp features while optimizing performance for millions of users.
Senior Java engineer building Web3 and AI infrastructure for OKX’s Wallet Earn and AI Agent Marketplace, focusing on scalable backend systems for DeFi investments and real-time data access.
Builds and maintains the core protocol infrastructure for a DeFi company using C++/Rust and TypeScript, collaborating with teams to develop backend smart contracts.
Build and maintain backend services for a DeFi protocol using Java and Spring on AWS, collaborating with financial engineers to enhance decentralized finance systems.
Designs CI/CD pipelines and secures cloud infrastructure for a DeFi protocol using Docker, Kubernetes, and Terraform.
Build and maintain web3 frontend apps using TypeScript and React.js, integrating smart contracts and collaborating with cross-functional teams.
Build and maintain responsive web interfaces for a DeFi protocol using React, while contributing to a shared design system and ensuring cross-browser compatibility.
Build and maintain a Web3 streaming platform: React/Vue3 frontends with multi-wallet login, Node.js middleware for on-chain video metadata, and Solidity smart contracts for NFT trading pools and ERC-4337 wallets.
Build and maintain decentralized apps and smart contracts on the Kava blockchain using Cosmos-SDK and Tendermint.
Build and maintain a real-time data platform for a DeFi/crypto trading firm, designing scalable pipelines and lakehouse architectures to unify analytics across trading, risk, finance, and research.
Build and scale backend services for a DeFi protocol using Go or TypeScript, integrating with blockchains and optimizing performance for crypto trading infrastructure.
Provide Tier 3 technical support and collaborate with backend teams to troubleshoot Java/Spring Boot microservices, APIs, and blockchain systems while building automation and monitoring tools.
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