Jam.dev

Dev tools company with 200,000+ users in 2 years and $10M in funding from notable investors. Building a "flight recorder" for web apps so issues can be reported in a debuggable way (with console, network, websockets debugger, etc.). Small, senior team (several ex-engineering directors turned ICs). Looking for staff-level engineers experienced in building highly performant front-end apps. Stack: React/TypeScript and MobX (MST) on the frontend; Node/GraphQL on the backend. Challenge: scaling after 10x usage growth and users in 176 countries across many devices and network conditions. Apply at https://jam.dev/careers.