Fullstack Software Engineer (x/f/m) - AI Developer Tools
Alan is hiring a fullstack software engineer for its Everyone Can Build crew within the Tech Foundations area, which propels Alan into the AI-native engineering era. The role builds tools, agents, and infrastructure that let both engineers and non-engineers contribute confidently at scale, including Hopper, Alan's own background coding agent. The focus for 2026 is scaling Hopper alongside managed agent pools, sandboxed environments, autonomous testing, and CI auto-fix, with a Python/Flask, React, React Native, and PostgreSQL stack.
Responsibilities
- ▹Build and scale Hopper, Alan's background coding agent, including agent orchestration and parallel agent pools
- ▹Enable AI-native engineering through harness integration and agentic workflows
- ▹Build autonomous testing infrastructure where agents validate their own work before shipping
- ▹Create sandboxed development environments that remove brittle local setups
- ▹Build CI/CD and quality guardrails: auto-fix, complexity scoring, automated checks, and new PR review experiences
- ▹Create non-engineer contribution tooling so designers, PMs, and ops can contribute autonomously
Requirements
- ▹3+ years in full-stack software engineering roles
- ▹Experience building internal platforms, frameworks, CLIs, or libraries that improve developer workflows
- ▹Care about creating delightful experiences, whether building UIs or APIs
- ▹Fluent English
- ▹Legally eligible to work in France, Belgium, or Spain
Nice to have
- ▹Experience with LLM APIs, agent orchestration frameworks, or AI-assisted coding tools
Soft skills
What we offer
- ▹A stimulating environment and perks
- ▹A strong culture guided by cultural values
- ▹Remote work flexibility, while valuing in-person collaboration
About the company
Alan is a health insurance company that integrates insurance, prevention, and care into a single user experience. It partners with more than 40,000 companies, serves over 1 million members, has reached over €800M in ARR, and employs more than 800 people across France, Spain, Belgium, and Canada, guided by a strong set of cultural values.