Full-Stack Software Engineer

📋 Description

• • We're an early-stage, Berlin-based startup building an enterprise-ready, model-agnostic AI platform that helps organizations safely and flexibly roll out AI at scale — from everyday employee chat interactions to complex automations and custom agents.
• • Our platform is used by companies across Europe and emphasizes security, compliance, and flexible deployment (cloud or on-premise).
• • We're looking for a Full-Stack Software Engineer to join us on-site in Berlin.
• • You'll have substantial ownership from day one, shaping product features end-to-end and contributing directly to architecture decisions in a fast-moving environment.
• • Visa sponsorship is available.
• • Design and implement robust backend systems and APIs to power our 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 on technical architecture decisions and system design alongside the broader engineering team.
• • Maintain and optimize the codebase for performance, reliability, and long-term maintainability.
• • Participate in rotating Support Engineer duties, where engineers regularly shift focus to support customers and the customer success team — keeping the whole team close to real user needs.
• • 3+ years of full-stack web development experience.
• • Strong hands-on experience with Node.js, React / Next.js, and TypeScript.
• • Proficiency in PostgreSQL and SQL — data modeling, querying, and query optimization.
• • Proficiency with Tailwind CSS for frontend styling.
• • Experience owning features end-to-end, from conception through production deployment.
• • Experience building AI-powered features or integrating AI/ML services into applications.
• • Experience designing robust APIs and integrating with third-party services and AI providers.
• • Ability and willingness to contribute to technical architecture and system design discussions.
• • Strong CS fundamentals.
• • Strong collaboration and communication skills across product and cross-functional teams.
• • Willingness to work on-site in Berlin, Germany.
• • Background in enterprise SaaS or B2B productivity tooling.
• • Familiarity with compliance, security, or data governance requirements in enterprise environments.
• • Salary: €66,000 – €120,000 per year, depending on experience.
• • Visa sponsorship available for eligible candidates.
• • Meaningful equity and ownership in a fast-growing early-stage company.
• • High-impact role with direct influence on product and engineering direction.
• • This is a full-time, on-site role based in Berlin, Germany.
• • We are not able to accommodate fully remote arrangements for this position.
• • Visa sponsorship is available.