Software Engineer (Full-Stack)

About the Role Join a fast-growing, early-stage startup building an enterprise-grade AI platform that helps organizations securely adopt and integrate generative AI across their operations. As a Full-Stack Software Engineer, you'll own features end-to-end — from architecture decisions through to production deployment — and have real, meaningful impact on a product used across a wide range of enterprise customers. This is a full-time, on-site role based in Berlin, Germany . Visa sponsorship is available. What You'll Do Design and implement robust backend systems and APIs to power a scalable AI platform Build end-to-end solutions spanning backend (Node.js), database layers, and frontend integration Develop and optimize database schemas, queries, and data models for performance and scalability Implement API endpoints and integrate with third-party services and AI providers Collaborate with the team on technical architecture decisions and system design Maintain and optimize the codebase for performance, reliability, and maintainability Participate in rotating Support Engineer duties, helping customers and the customer support team on a periodic basis What We're Looking For Required: 3+ years of full-stack web development experience Proficiency with Node.js, React/Next.js, and TypeScript Proven experience owning features end-to-end, from conception through production deployment Proficiency in PostgreSQL and SQL for data modeling, querying, and optimization Strong computer science fundamentals Nice to Have: Experience building AI-powered features or integrating AI/ML services into applications Proficiency with Tailwind CSS for frontend styling Strong collaboration and communication skills with product leadership and cross-functional teams Compensation & Benefits Salary: $66,000 – $120,000 per year (USD equivalent), depending on experience Visa sponsorship available for eligible candidates High ownership and direct impact in a small, high-caliber team Work on cutting-edge AI infrastructure with enterprise-scale challenges Location This role is on-site in Berlin, Germany . The team works together in person; remote work is not available for this position.