SDK Engineer - JavaScript

📋 Description

• Build and evolve our JS/TS SDKs.
• Start new things. Find what's missing, justify it, and build it.
• Work in the open. Triage inbound issues, review contributions, keep CI healthy, maintain scope.
• Own the type experience. Ensure database types flow through client APIs for correct autocomplete.
• Keep us honest across runtimes. Node, Deno, Bun, browsers, and more; test across modules.
• Work on realtime and presence semantics with WebSocket concepts.

🎯 Requirements

• Expert-level TypeScript with generics and mapped types.
• Authored or maintained a published library with public API.
• Open-source experience, issue triage, release automation, and semver discipline.
• NPM packaging fluency: dual ESM/CJS, export maps, type resolution, semver.
• Testing habit: unit, type-level, and end-to-end with regression tests.
• Strong written communication; design docs and changelogs.

🎁 Benefits

• Fully Remote with global hiring and coworking allowances.
• ESOP equity ownership.
• Tech Allowance for setup and gear.
• Health benefits for employees and dependents.
• Annual off-sites for team gatherings.
• Flexible, asynchronous work culture.