senior full-stack engineer

il y a 16 heures


Paris, Île-de-France STATION F Temps plein

AboutEXXA is a startup building infrastructure for AI agents and vibe coding, on hardware users actually own and control.We believe the next era of software development happens in personal, secured environments: your own machine, your own server. Not someone else's cloud. We're building the layer that makes that possible.We're a small founding team (5 people across Grenoble/Paris/NYC), well-funded ($3.4M raised), and shipping fast.Job DescriptionOwn significant parts of the platform, from developer console to agent runtimeArchitect systems where AI agents execute tasks, manage state, and deploy applicationsShape product decisions alongside the foundersExperiment relentlessly: How much of development can we hand to agents? Where are the hard limits?Location : Remote (European timezones preferred)Contract : Full-time (competitive salary + equity)Starting date : As soon as possiblePreferred ExperienceWhat motivates youYou were skeptical of AI coding tools at first.You watched others widely overestimate the performance of these models and trust their result blindly.But you saw the potentialSo you kept experimenting, testing new tools, new models, new workflows. You developed an intuition for when to intervene and how to build trust.You experienced first hand the switch from a smart autocomplete to this alien technology and you're now obsessed with making it efficient, reliable and maximizing AI leverage.Who We're Looking ForYou are a great fit if you are either:A backend developer with strong systems knowledge who can contribute to frontend development and DevOps.A frontend developer with an eye for UX and the ability to go dive into the backend when needed.Our stack:We useBun,Deno,TypeScript, React, Python, PostgreSQL, Kubernetes.QualificationsStrong programming fundamentals and system design knowledgeProficient in TypeScript/React and PythonExperience with modern web development practices and toolsProven track record of shipping production-ready code3-5+ years of professional software development experienceFamiliarity with Python ML stack (PyTorch, HuggingFace, etc.) is a plusRecruitment ProcessHow To ApplySend an email towith your resume and:Your portfolio / github: Show us the project you are most proud of (side projects, weird experiments, and tools you built). Feel free to share anything, even your first projects :)Your dev setup: Tell us how you use AI today. What tools, hacks, or workflows have you built to boost your productivity?Your hot take: What is the biggest bottleneck in AI coding agents right now?If you're obsessed with the future of AI-assisted development, apply Even if you don't check every box.Additional InformationContract Type: Full-TimeStart Date: 01 February 2026Location: Paris, GrenobleExperience: > 3 yearsPossible full remote


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