As (Senior) Fullstack Developer (m/f/d) you will be at the forefront of building our AI product from the ground up. You'll develop robust, scalable full-stack solutions that power physical R&D automation, working directly with our founding team to shape the future of an AI-driven multidisciplinary system design. Your Role • Design, implement, and deploy complex, production-ready web applications and digital solutions at the forefront of our AI product, directly contributing to its architecture and technical foundation • Build and maintain scalable full-stack features end-to-end - spanning frontend (React, Vue) and backend (Node.js, Python) - and integrate AI capabilities into user-facing product surfaces • Define the tech stack and system architecture, implementing scalable API microservices with Docker, Kubernetes, and CI/CD pipelines • Work closely with AI Engineers, Product Managers, and cross-functional stakeholders to deliver high-quality software that meets both technical and product requirements • Mentor engineers across the team, drive engineering best practices, and continuously improve our software infrastructure by introducing new tools, frameworks, and learnings Your Profile • University degree in Computer Science, Informatics, Software Engineering, or a related discipline, with 3+ years of hands-on experience in agile software development • Strong proficiency in JavaScript/TypeScript with modern frameworks (React, Vue, Node.js); solid experience with Python and backend frameworks like Django or FastAPI • Proven experience with production deployments and CI/CD pipelines on cloud platforms (AWS, Azure, GCP), including containerization (Docker, Kubernetes), scalable API design, and application security • Solid grasp of engineering practices such as code refactoring, design patterns, design-driven development, and building highly scalable applications; experience with GraphQL or graph databases (e.g. Neo4j) is a plus • Comfortable with ambiguity and rapid change in early-stage product development; excellent written and verbal communication skills in English, with the ability to collaborate effectively across multidisciplinary teams Does that make you curious? Julia is your contact person for further questions and looks forward to hearing from you!