Overview

We’re building an AI evaluation platform that’s becoming indispensable for AI teams. As a Frontend/SDK Developer Level 6, you’ll help shape both the developer-facing SDKs and the product frontend experiences that power the platform. This role goes beyond frontend implementation. We’re looking for someone who can design and maintain high-quality TypeScript SDKs, developer facing APIs, and reusable frontend systems that other developers will directly interact with and depend on. Your code will be visible to external developers and engineering teams, so usability, maintainability, performance, and API design quality matter deeply. You’ll work across product frontend engineering and SDK/platform development using React 19, TypeScript, Tailwind, and modern frontend tooling.

The role requires strong judgment in frontend architecture, reusable abstractions, integration design, performance optimization, and long-term maintainability. W...