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9 jobs found for "API Development"
Core Developer - Platform
…respects the freedom and data of individuals, and empowers developers to build better, more trustworthy online services. Our remote-first, global team develop open-source software that anyone can use or improve … infrastructure and services that the Polkadot platform is built on Build the SDKs and APIs that developers use to create and deploy applications on the platform Work on the user agents that…
Senior JavaScript Engineer
…infrastructure and developer tooling that has onboarded 50M+ wallets across crypto and fintech applications. In this context, the team powers the application-layer wallet experience and developer tooling, complementing core custody, security … implementation, testing, deployment, and ongoing optimization Build and maintain backend services and APIs supporting authentication, wallets, and payments infrastructure Develop user-facing features and frontend tooling for both end-user and developer…
Expert JavaScript Engineer
…infrastructure and developer tooling that has onboarded 50M+ wallets across crypto and fintech applications. In this context, the team powers the application-layer wallet experience and developer tooling, complementing core custody, security … implementation, testing, deployment, and ongoing optimization Build and maintain backend services and APIs supporting authentication, wallets, and payments infrastructure Develop user-facing features and frontend tooling for both end-user and developer…
Senior JavaScript Engineer
…infrastructure and developer tooling that has onboarded 50M+ wallets across crypto and fintech applications. In this context, the team powers the application-layer wallet experience and developer tooling, complementing core custody, security … implementation, testing, deployment, and ongoing optimization Build and maintain backend services and APIs supporting authentication, wallets, and payments infrastructure Develop user-facing features and frontend tooling for both end-user and developer…
MERN Stack + Web3 Developer
…Role Overview We're seeking a MERN Stack Developer with experience in Web3 development to join our team. The ideal candidate will be comfortable building full-stack applications, integrating smart contracts … smart contracts, Ethereum, and Web3.js/Ethers.js Familiarity with Solidity and Ethereum development tools (e.g., Truffle, Hardhat) Understanding of REST APIs and integration practices Strong problem-solving skills and a proactive attitude Good…
(Sr.) Java Engineer - (Admin & Payment)
…generate readable API documentations Master software engineering tools like Git, Jenkins, and Maven Requirements Strong Java skills with at least 2 years of professional experience in Java development Proficiency in JVM-based…
(Sr.) Java Engineer, Matching Engine Team New
…offer a fantastic culture and great career prospects. Responsibilities Collaborate with team members on designing, developing, and unit-testing new features and modifications. Design, optimize, and maintain the core matching engine, order … generate readable API documentations. Master software engineering tools like Git, Jenkins, and Maven. Requirements Degree in CS or equivalent field. At least 5yr+ of professional experience in Java development. Experienced in crypto/blockchain/Web3…
Staff/Senior Java Engineer, OKX Web3 Wallet
…post-incident learnings, and best practices, and help less-experienced teammates. Apply AI in daily development. Use AI coding tools (Claude Code, Cursor, Codex, etc.) to assist with code comprehension, scaffolding, unit … ownership. Able to independently own a module or project end to end, from design through development, testing, and launch. Proactively communicates and resolves dependencies, risks, and blockers, and follows through on launch…
Solution Architect, EMEA
…accountability for the solutions delivered Defining enterprise customers’ setup with Fireblocks, including API integrations, security architecture, and architecture documentation Steering complex integrations across core banking, custody, tokenisation, and Travel Rule through … Institutions, or enterprise financial systems. One is a must, both is a strong advantage Software development experience and a hands-on technical mindset Deep understanding of IT security and proven cloud experience…