databento · Remote / Boston / Salt Lake City / San Francisco / New York
Skills: React, TypeScript, JavaScript, Redux, Webpack, Python, Rust, CI/CD, Figma
The financial industry is growing at a record pace, but our data providers are still stuck in the past — with cumbersome onboarding processes, complicated APIs, slow infrastructure, and expensive licensing costs. Databento is the market data platform for modern finance. The company provides real-time and historical data across futures, options, and equities through a unified API. By owning the entire market data stack end-to-end, Databento is the first platform of its kind to combine the performance and reliability demanded by the world's leading trading firms with a dramatically simpler developer experience. Our team includes alumni of Two Sigma, Citadel Securities, Flow Traders, IMC, Tower Research, Jump Trading, HRT, Jane Street, and SIG. We're looking for a midlevel or senior IC to join our Platform/API engineering team. You'll be responsible for building, maintaining, and promoting our JavaScript client library, working closely with our design team to bring production-ready interfaces to life. This role is primarily focused on TypeScript/JavaScript, with some full-stack/Python work as well. Responsibilities Own, build, and maintain our JavaScript client library, ensuring it is robust, well-tested, and easy for external users to integrate with. Integrate native libraries into JavaScript/TypeScript code using tools like N-API, node-addon-api, or Wasm. Build responsive, performant front-end applications using React, Redux, Vite, Web Workers, and WebSockets. Contribute to full-stack projects, including backend work in Python (or Rust), REST API design, and database/migration work. Work between design and engineering teams to translate designs (e.g. Figma handoffs) into production-ready components and design systems. Set up and maintain CI/CD pipelines, including publishing to npm. Document components using Storybook or similar tooling. Collaborate cross-functionally to ensure smooth feature rollouts and updates. Preferred background Experience working between high-…
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