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.