Senior Software Engineer (Node), JavaScript SDK

Details

Sentry helps developers fix errors and performance issues before users notice. Trusted by more than 200,000 organizations, Sentry is building an AI-native future for application monitoring.

This role is part of the JavaScript SDK team and focuses on building SDKs for Node.js, Bun, Deno, Cloudflare Workers, and other modern server-side and edge runtimes. The position involves developing tools used by millions of developers across the JavaScript ecosystem.

Responsibilities

• Develop and maintain JavaScript SDKs, with a focus on server-side and edge runtimes including Node.js, Bun, Deno, and Cloudflare Workers.
• Plan, implement, test, document, and ship software features end to end.
• Write robust unit and integration tests and create clear documentation for internal teams and customers.
• Use AI tools to improve productivity and solve complex engineering problems.
• Collaborate with organizations and committees such as TC39, the Node.js core team, and the OpenTelemetry SIG.
• Represent Sentry in the open-source community and help shape JavaScript standards and runtime interoperability.
• Assist the Customer Operations team with critical bugs.
• Interact with users through GitHub and industry conferences.

Requirements

• At least 5 years of experience as a software engineer, web developer, or in a similar role.
• Deep expertise developing web applications, libraries, or SDKs using TypeScript and 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 differences between server runtimes in module systems, APIs, performance characteristics, and deployment models.
• Exceptional written and verbal communication skills in English.
• Based in the Toronto, Canada area or willing to relocate to Toronto.
• Interest in building high-quality developer tools, contributing to open source, and working in a collaborative, fast-paced environment.

Bonus Points

• Experience with WinterCG, the Web-interoperable Runtimes Community Group, or other runtime interoperability initiatives.
• Familiarity with OpenTelemetry instrumentation in server-side or edge environments.
• Experience contributing to or maintaining open-source libraries.
• Experience engaging with open-source committees or working groups.

Benefits

• Employee benefit plans and programs applicable to the position.
• Incentive compensation.
• Equity grants.
• Paid time off.
• Group health insurance coverage.

Sentry is committed to equal employment opportunities and provides reasonable accommodations to employees and candidates with disabilities.

The base salary range for this position is CAD $200,000 to $295,000. Actual compensation depends on factors including work location, education, experience, skills, and job-related knowledge.