Senior Software Engineer (Node), JavaScript SDK

Stack

Responsibilities

• ▹Work across Sentry's extensive suite of JavaScript SDKs, focusing on server-side and edge runtimes from Node.js to Bun, Deno, and Cloudflare Workers
• ▹Take end-to-end ownership: plan, implement, and ship code, including writing robust unit and integration tests and crafting clear documentation
• ▹Use AI tools to enhance productivity and focus on solving complex problems and delivering value
• ▹Collaborate with influential open-source organizations and committees such as TC39, the Node.js core team, and the OpenTelemetry SIG, representing Sentry and helping steer JavaScript standards and runtime interoperability
• ▹Assist the Customer Operations team in squashing critical bugs and interact directly with the user base on GitHub and at industry conferences

Requirements

• ▹At least 5 years of experience as a Software Engineer, web developer, or similar role
• ▹Deep expertise 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 solid understanding of how they differ in module systems, APIs, performance characteristics, and deployment models
• ▹Exceptional written and verbal communication skills in English
• ▹Based in the Toronto, Canada area or excited about relocating there

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

Soft skills

What we offer

• ▹Base salary range CAD $200,000 to $295,000
• ▹Eligibility for incentive compensation
• ▹Equity grants
• ▹Paid time off
• ▹Group health insurance coverage