To support the SDK team, the full-time JavaScript SDK Engineer will build and evolve JavaScript and TypeScript SDKs, manage public repositories, and enhance the developer experience for a large user base in a remote work environment. Key responsibilities Build and evolve JS/TS SDKs while identifying and implementing new features Manage public repositories, triage issues, and facilitate contributions from the community Ensure the SDKs accurately reflect platform changes and maintain robust documentation Required qualifications Expert-level proficiency in TypeScript, including generics and conditional types Experience authoring or maintaining a published library with a public API Familiarity with open-source project maintenance, including issue triage and release automation Proficiency in npm packaging and dual ESM/CJS builds Strong written communication skills for creating design documents and public-facing content