Fullstack Developer React/ Python - Remote in Germany

Talents2Germany is placing this role on behalf of our client — a fast-growing AI company operating in the retail technology space. We are looking for an experienced Senior Fullstack Developer to join their dynamic, international engineering team. You will take ownership of full product features — from database to UI — and play a central role in shaping the technical architecture of their customer-facing platform. Our stack is modern, our team is diverse, and we move fast. You will collaborate directly with product, design, and GenAI engineers to build solutions that are already in the hands of major enterprise clients. Design, build, and maintain scalable full-stack features across our web platform Collaborate closely with GenAI engineers to integrate AI-powered capabilities into the product Take ownership of end-to-end delivery: architecture, implementation, testing, and deployment Contribute to technical decisions, code reviews, and engineering best practices Work with enterprise clients’ technical stakeholders when needed Help grow the engineering team through mentoring and knowledge sharing Technical Skills 5+ years of professional experience in fullstack development Strong proficiency in React and modern JavaScript/TypeScript Solid backend development skills in Python (FastAPI, Django, or similar) Experience with relational and/or NoSQL databases and RESTful API design Familiarity with cloud infrastructure (AWS, GCP, or Azure) and CI/CD pipelines Your profile Work Style & Communication Comfortable working in an agile, cross-functional team with short release cycles Excellent communication skills in English; German language on B1 / B2 level and willingness to learn German and to reach a working proficiency level (C1) within 6 months Highly Desirable: Experience integrating LLMs, vector databases, or AI APIs into production applications Background in retail technology, e-commerce, or SaaS products Contributions to open-source projects A fully remote-first work model with a collaborative, international team Meaningful, high-impact work — your code reaches enterprise clients from day one A culture that values curiosity, ownership, and continuous learning Regular in-person team events in Frankfurt Based in Germany or willing to relocate — occasional travel to Frankfurt (up to 4 days/month) International team environment