Senior Software Engineer (Node), JavaScript SDK

Are you ready to redefine the future of JavaScript development? Are you a seasoned JavaScript expert who gets a thrill from tackling complex challenges across the entire JavaScript ecosystem? Do you believe that AI can be a powerful partner in crafting elegant, high-impact code? If you're ready to leave the mundane behind and join a team that's shaping the tools used by millions of developers globally, we've got an opportunity for you at Sentry. This isn't your typical Senior Software Engineer position. As a key member of our growing JavaScript SDK team, you'll be at the forefront of innovation, working on everything from our cutting-edge SDKs for Node.js, Bun, Deno, Cloudflare Workers, and other modern server runtimes.

Responsibilities

A Universe of JavaScript Challenges: Dive deep into our extensive suite of JavaScript SDKs, with a sharp focus on server-side and edge runtimes — from the battle-tested Node.js ecosystem to cutting-edge alternatives like Bun and Deno, and distributed edge environments like Cloudflare Workers; End-to-End Ownership: You'll have the freedom to plan, implement, and ship your code, from writing robust unit and integration tests to crafting crystal-clear documentation; The AI-Powered Developer Experience: You'll utilize AI tools to supercharge your productivity and focus on what truly matters; A Voice in the Open-Source Community: You'll have the chance to collaborate with influential organizations and committees such as TC39, the Node.js core team, and the OpenTelemetry SIG; Direct Impact and Connection: You'll be on the front lines, assisting our Customer Operations team to squash critical bugs and interacting directly with our vibrant user base on GitHub and at industry conferences

Requirements

At least 5 years of experience as a Software Engineer, web developer, or a similar role; Deep expertise in developing web applications, libraries, or SDKs using TypeScript/JavaScript; Hands-on experience with Node.js and meaningful exposure to one or more modern server runtimes such as Bun, Deno, or Cloudflare Workers — with a solid understanding of how they differ in module systems, APIs, performance characteristics, and deployment models; Exceptional written and verbal communication skills in English; You're based in San Francisco (Bay Area) or are excited about the prospect of relocating to this thriving tech hub

Nice to have

Experience working with WinterCG, the Web-interoperable Runtimes Community Group, or other runtime interoperability initiatives; Familiarity with OpenTelemetry instrumentation in server-side or edge environments; A history of contributing to or maintaining open-source libraries; Experience engaging with open-source committees or working groups

Benefits

Incentive compensation; Equity grants; Paid time off; Group health insurance coverage