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Senior Software Engineer (Frameworks), JavaScript SDK

Toronto, Ontario, Canada💼 Full-time💰 $200,000–$200,000🗓 2026-07-20 → 2026-07-23

Core

Building and maintaining JavaScript SDKs for modern frontend and server-side frameworks to empower developers with application monitoring tools.

Role type

Senior Software Engineer (JavaScript SDKs)

Builds

JavaScript SDKs for React, Next.js, Vue, Nuxt, NestJS, and Hono

Domain

Developer tooling / Application monitoring / JavaScript ecosystem

Deliverable

production ML models | product features | dashboards & analysis | research | client delivery | infrastructure | physical/clinical work

Required skills

TypeScript/JavaScript development, modern JavaScript frameworks (React, Next.js, Vue, Nuxt, NestJS, Hono), unit and integration testing, technical documentation, open-source collaboration

Preferred skills

edge runtimes, server components, hybrid rendering patterns, open-source library maintenance, open-source committee engagement

Technologies

React, Next.js, Vue, Nuxt, NestJS, Hono, TypeScript, JavaScript

Responsibilities

Develop and maintain SDKs across the modern JavaScript framework landscape, plan and ship code with end-to-end ownership, utilize AI tools to enhance productivity, collaborate with open-source committees like TC39 and OpenTelemetry SIG, assist Customer Operations with critical bugs and engage with the user base

Seniority

Senior, hands-on IC

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