Senior Software Engineer; JavaScript SDK - Node

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 Type Script/Java Script
• 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
• (Desirable) Experience working with Winter
  
  CG, the Web‑interoperable Runtimes Community Group, or other runtime interoperability initiatives
• (Desirable) Familiarity with Open Telemetry instrumentation in server‑side or edge environments
• (Desirable) A history of contributing to or maintaining open‑source libraries
• (Desirable) Experience engaging with open‑source committees or working groups

• 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
• You won’t just be maintaining code; you’ll be pushing the boundaries of what’s possible in developer tooling across the rapidly evolving server‑side JavaScript landscape
• 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. Your work will directly empower millions of developers to build better, more reliable software, no matter which runtime powers their stack
• End‑to‑End Ownership:
  We believe in giving our engineers the autonomy to see their vision through. You’ll have the freedom to plan, implement, and ship your code, from writing robust unit and integration tests to crafting crystal‑clear documentation that educates both our team and our customers
• The AI‑Powered Developer
  
  Experience:
  
  We’re committed to leveraging the latest advancements to work smarter, not harder. You’ll utilize AI tools to supercharge your productivity and focus on what truly matters: solving complex problems and delivering exceptional value
• A Voice in the Open‑Source Community:
  We’re passionate about open source — it’s in our DNA. You’ll have the chance to collaborate with influential organizations and committees such as TC39, the Node.js core team, and the Open Telemetry SIG, representing Sentry and helping to steer the future of JavaScript standards and runtime interoperability
• Direct Impact and Connection:
  Say goodbye to layers of bureaucracy. 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 Git Hub and at industry conferences