Why Libra At Libra, we’re transforming how lawyers work. Our AI platform combines deep legal reasoning with cutting-edge generative technology to help legal professionals research, draft, and deliver legal work faster and smarter. In just over a year, Libra has scaled to over €3M ARR, partnered with leading law firms, corporate legal departments, and publishers, and become Europe’s fastest-growing legal AI company. Libra isn’t just another SaaS company — we’re building the AI infrastructure of a new legal age. Our tools empower lawyers to focus on what truly matters: strategy, innovation, and impact. Trusted by more than 9,000 lawyers across Europe, Libra is building the world’s most trusted AI legal platform — and we’re just getting started. Role Overview As a Full Stack Engineer, you’ll play a central role in designing and developing Libra’s core product. You’ll implement features end-to-end — from backend services to frontend interfaces — helping lawyers across Europe work smarter with AI. You’ll join a lean, high-performing engineering team where every line of code matters. This is a hands-on role with high ownership: you’ll work directly on production systems, collaborate closely with our Product and Legal Engineering teams, and help shape how AI is integrated into legal workflows. What You'll Do Implement and maintain end-to-end product features across the stack — from backend logic to frontend UX. Build scalable APIs and microservices using Python (FastAPI, async). Contribute to frontend development in TypeScript (experience with Svelte is a plus). Ensure code quality, performance, and reliability through engineering and security best practices. Collaborate with Product and Legal Engineering to turn user feedback into technical improvements. Explore and integrate AI coding tools (e.g., Cursor, Claude Code) to accelerate development. Help shape Libra’s engineering culture — balancing speed, simplicity, and long-term scalability. What You Have Solid experience as a Full Stack Engineer, comfortable working across backend and frontend. Strong proficiency in Python (FastAPI, async) and TypeScript; experience with Svelte is a plus. Deep understanding of software engineering and security best practices. Familiarity with AI developer tools (Cursor, Claude Code, Copilot, etc.). Bonus: experience building LLM-powered or AI-integrated products. Excellent communication skills in English; German fluency is a plus. Based in Berlin or willing to work on-site at the Merantix AI Campus. You have an entrepreneurial mindset and a strong sense of urgency in delivering results. You’re a self-starter who thrives in fast-moving, collaborative environments. You take a pragmatic approach to problem-solving — focused on outcomes, not hype. You’re skilled at balancing trade-offs between fast 80% solutions and complex 100% solutions. You care deeply about building high-quality software that has real-world impact. What We Offer The opportunity to build the core product of one of Europe’s fastest-growing AI startups. High ownership and visibility — your work directly impacts thousands of lawyers. A collaborative, high-performance environment with world-class engineers, product thinkers, and legal experts. Competitive compensation and strong growth opportunities. Work on-site at the Merantix AI Campus — Europe’s leading AI innovation hub. About us There are hundreds of thousands of lawyers across Europe — and at Libra, we’re transforming how they work. Our AI platform combines deep legal reasoning with cutting-edge generative technology, fundamentally changing how lawyers research, draft, and deliver legal work. In just over a year, we’ve scaled from 0 to €3M ARR, partnered with leading law firms, corporate legal departments, and publishers, and established ourselves as Europe’s fastest-growing legal AI company. Backed by top-tier investors, Libra is building the operating system for modern legal work — and you can help us write its next chapter. More information can be found on our website .