Senior Software Engineer (frameworks), Javascript Sdk

Sentry Sentry · Enterprise · Toronto, ON +1 · Engineering

Senior Software Engineer for Sentry's JavaScript SDK team, focusing on framework support and developer tooling. The role involves end-to-end ownership of SDKs, contributing to open-source communities, and leveraging AI tools to enhance productivity. The position requires deep expertise in JavaScript/TypeScript and modern frameworks, with a focus on building features for millions of developers.

What you'd actually do

  1. Dive deep into our extensive suite of JavaScript SDKs, with a broad focus on framework support spanning the modern JS ecosystem — from frontend frameworks like React, Vue, and their meta-frameworks Next.js and Nuxt, to server-side and edge runtimes like NestJS and Hono. Your work will directly empower millions of developers to build better, more reliable software, regardless of their framework of choice
  2. 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.
  3. 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
  4. 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 and the OpenTelemetry SIG, representing Sentry and helping to steer the future of JavaScript standards.
  5. 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 GitHub and at industry conferences

Skills

Required

  • 5+ years of experience as a Software Engineer, web developer, or similar
  • Deep expertise in TypeScript/JavaScript for web applications, libraries, or SDKs
  • Experience with 2+ modern JavaScript frameworks (React, Next.js, Vue, Nuxt, NestJS, Hono)
  • Strong understanding of JavaScript framework rendering models, lifecycles, and runtime environments
  • Exceptional written and verbal communication skills in English

Nice to have

  • Familiarity with edge runtimes, server components, or hybrid rendering patterns
  • History of contributing to or maintaining open-source libraries
  • Experience engaging with open-source committees or working groups

What the JD emphasized

  • Deep expertise in developing web applications, libraries, or SDKs using TypeScript/JavaScript
  • Hands-on experience with two or more modern JavaScript frameworks — such as React, Next.js, Vue, Nuxt, NestJS, or Hono — and a strong understanding of the differences in their rendering models, lifecycles, and runtime environments