Fullstack Software Engineer - Internal Agentic AI Platform

Job summary

Responsibilities

It started as a coding agent. Watch how we built its first version and enabled anyone at Alan to ship code. Coding remains its most mature use case and the foundation we are expanding from.

• Hopper is Alan's internal agentic AI platform and every Alaner's AI companion: one unified productivity tool for coding, data, automation, research, and everyday work.
• It is a platform with a product on top. The product is the first and most demanding user of reusable components for agent orchestration, isolated execution, skills, connectors…

What they're looking for

• 3+ years in full-stack software engineering roles
• Experience building products, internal platforms, frameworks, or infrastructure used by other people
• Depth in at least one relevant area: AI agents and evaluations, developer platforms, high-quality product UX, distributed systems and runtimes or security and authorization
• Ability to own work end to end, from a React interaction or API contract to reliability in production
• Experience with LLM APIs, agent harnesses, MCP, or AI-assisted coding tools is a strong plus

Tech stack

• Python
• React
• PostgreSQL