Fullstack Software Engineer (x/f/m) - AI Developer Tools

🎯 Mission:

Tech Foundations enables product crews and creates the environment to thrive—combining world-class infrastructure, intuitive developer experience, exquisite operational excellence, and built-in security to make shipping exceptional products effortless.

Everyone Can Build is one of its crews. Its mission: propel Alan into the AI-native engineering era, by building the tools, agents, and infrastructure that let both engineers and non-engineers contribute confidently and sustainably at scale.

🔭 Scope:

Hopper — Alan's own background coding agent: agent orchestration, parallel agent pools, web dashboard for builders

AI-native engineering enablement — Harness integration, agentic workflows,...

Autonomous testing infrastructure — agents that validate their own work before shipping

Sandboxed development environments — removing brittle local setups so everyone can contribute safely

CI/CD and quality guardrails — auto-fix, complexity scoring, automated checks and new PR review experiences that enable confident reviewing

Non-engineer contribution tooling — flows and interfaces that make Designers, PMs and Ops autonomous contributors

👀 Focus for 2026:

In 2026, we're moving from "AI tools you monitor" to "AI agents you trust." That means scaling Hopper — Alan's own background coding agent — alongside the infrastructure that makes it reliable: managed agent pools, sandboxed environments, autonomous testing, and CI auto-fix. Engineers will routinely offload tasks to agents. Non-engineers will open pull requests after having easily tested their changes. Agents will validate their own work before it ships.

3+ years in full-stack software engineering roles

Experience building internal platforms, frameworks, CLIs, or libraries that improve developer workflows

Experience with LLM APIs, agent orchestration frameworks, or AI-assisted coding tools is a strong plus

You care about creating delightful experiences, whether building UIs or APIs

You think in terms of platform experience: engineers are your primary customers, and you care about making AI-native workflows reliable for everyone

You are collaborative, humble, and motivated by enabling others

You simplify complexity with elegant abstractions and maintainable code

You're excited about AI changing who gets to build — and want to be the one building that infrastructure

You are fluent in English (no French required)

But above all, we are looking for high potential and curiosity: make sure to show us this when you apply! Everything else is a bonus.

Location: You must be legally eligible to work in France, Belgium, or Spain.

Remote work: We offer remote work flexibility, but we value in-person collaboration

If you're excited about this opportunity but don't check every box, we'd love to hear from you. Everyone, no matter how underrepresented, should feel free to apply, as it can only bring learnings or success.

If you identify yourself as a woman: Did you know that research shows women often apply only when meeting 100% of requirements?

Remember, this is just a guide, not a checklist.

We'll be thrilled to receive your application!

🔖 Check out our About Alan and Career pages, as well as our Medium, blog and Glassdoor page for more info.

🙌 Perks & Benefits: Alaners are provided with a stimulating environment and perks ensuring they are happy, efficient and spend only high-quality time with co-workers.

🤘 A strong culture: People joining Alan are often surprised and delighted by our innovative working method. We have a set of cultural values that guide our approach to work

🔄 A quick note about the process

Note: While you're applying for a specific area, you may join a different engineering team based on where we think you'll have the most impact. Check out descriptions of other areas here.