# Senior Software Engineer (Node), JavaScript SDK

**Company:** [Sentry](https://hotfix.jobs/companies/sentry)
**Location:** San Francisco, CA
**Role:** Backend Engineering
**Salary:** $190k – $280k/yr
**Experience:** 5+ years
**Skills:** JavaScript, TypeScript, Node.js, Bun, Deno, Cloudflare Workers, OpenTelemetry, Unit Testing, Integration Testing
**Posted:** 2026-05-19

> Senior engineer building and maintaining JavaScript SDKs for Node.js and modern server/edge runtimes. Requires 5+ years experience with strong TypeScript/JavaScript expertise and server runtime knowledge.

## Job Description

## Responsibilities
- Work on Sentry's JavaScript SDKs with focus on server-side and edge runtimes including Node.js, Bun, Deno, and Cloudflare Workers
- Plan, implement, and ship features with full end-to-end ownership including unit/integration tests and documentation
- Utilize AI tools to enhance productivity and problem-solving
- Collaborate with open-source community including TC39, Node.js core team, and OpenTelemetry SIG
- Assist Customer Operations team with critical bugs and engage with users on GitHub and at conferences

## Requirements
- At least 5 years of experience as a Software Engineer or similar role
- Deep expertise developing web applications, libraries, or SDKs using TypeScript/JavaScript
- Hands-on experience with Node.js and exposure to modern server runtimes (Bun, Deno, or Cloudflare Workers)
- Understanding of runtime differences in module systems, APIs, performance, and deployment models
- Exceptional written and verbal communication skills in English
- Based in San Francisco (Bay Area) or willing to relocate

## Nice-to-Haves
- Experience with WinterCG or runtime interoperability initiatives
- Familiarity with OpenTelemetry instrumentation in server-side/edge environments
- History of contributing to or maintaining open-source libraries
- Experience engaging with open-source committees or working groups

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