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Fullstack Engineer, RL Environments

San Francisco💼 Full-time🗓 2026-06-23 → 2026-09-26

Core

Building and maintaining the internal Studio platform that powers data generation, quality review, and delivery workflows for AI labs and internal teams.

Role type

Senior Fullstack Software Engineer (Platform)

Builds

React frontend interfaces, backend APIs, and data pipelines for data ingestion and delivery

Domain

AI data infrastructure / Internal platform engineering

Deliverable

production ML models | product features | infrastructure

Required skills

JavaScript/TypeScript, React, Next.js, Python, Node.js, relational databases, REST APIs, async task infrastructure, high-throughput systems, multi-tenant architectures

Preferred skills

data labeling tooling, design systems, developer-facing APIs, LLM-powered products, real-time data visualization

Technologies

React, Next.js, Python, Node.js

Responsibilities

Own end-to-end Studio user journeys from contributor-facing interfaces to backend delivery pipelines; lead engineering best practices for frontend architecture and performance; build foundational layers for rapid deployment of new data types and task formats; ship high-leverage product features improving throughput and quality; translate ambiguous requirements into technical solutions with cross-functional teams

Seniority

Senior, hands-on IC

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