Full Stack Engineer

Description

About the Role

Join a team building software infrastructure that helps organizations improve the reliability of AI agents in production. This backend-leaning full-stack role combines customer discovery, product engineering, and systems design.

Responsibilities

• Build product experiences for agent investigation, evaluation workflows, debugging, verification, and replay.
• Work with customers to understand agent failures, define solutions, and iterate on shipped features.
• Develop APIs, data models, internal systems, and user-facing product surfaces across the stack.
• Build agent capabilities for investigating production traces at scale.
• Design platform systems such as workspaces, permissions, billing, usage features, SDKs, and terminal-first developer tools.
• Translate insights from teams building production AI agents into product decisions.

Requirements

• Five to eight years of full-stack product engineering experience, with a backend emphasis.
• Experience shipping end-to-end products, including polished interfaces built with React or Next.js and backend systems.
• Strong skills in TypeScript and React, plus Python or Node.js, with experience designing APIs and data models and debugging production issues.
• Hands-on experience building AI agents, LLM-powered products, or agentic systems, with familiarity in agent architectures, evaluation, or debugging tools.
• Product-minded engineering experience, including customer collaboration and contributing to product decisions.
• A computer science degree or equivalent academic background and experience working in product-focused software teams.

Conditions

Base salary: $230,000 to $300,000 annually. Visa sponsorship is available.

On-site in San Francisco, California, United States.