Senior Software Engineer (Node), JavaScript SDK

Are you ready to redefine the future of JavaScript development? 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.

Responsibilities

Dive deep into the extensive suite of JavaScript SDKs with a focus on server-side and edge runtimes; Plan, implement, and ship code with end-to-end ownership; Write robust unit and integration tests; Craft crystal-clear documentation; Utilize AI tools to supercharge productivity; Collaborate with organizations and committees such as TC39, the Node.js core team, and the OpenTelemetry SIG; Assist the Customer Operations team to squash critical bugs; Interact directly with users 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; Solid understanding of how these runtimes 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 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; 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