Full Stack Developer (AI / Nest / Typescript)

Do you have full-stack experience and want to work on real AI applications, not just experiments? We’re looking for someone who will help build modern solutions for the e-commerce industry - from backend, through frontend, to integrations with language models. This is a project where AI has a real impact on user experience and business outcomes. About the project You’ll join a team developing an AI-powered solution that supports users throughout the shopping process - in real time, based on data and context. The project combines: • high-performance backend systems • modern user interfaces • integrations with LLMs (including communication, content generation, embeddings) We put strong emphasis on solution quality, scalability, and delivering real value to end users. Your role You’ll have an impact on the entire product — from architecture to specific features. In practice, you will: • design and develop APIs using NestJS • work on AI-driven features (including model communication, data processing, integrations) • build and evolve backend logic while supporting the frontend layer • design and optimize data models (MongoDB) • deploy and maintain solutions in the cloud (Azure, Docker) • integrate with external services (e-commerce platforms, CMS, product feeds) • work with event streaming and real-time communication (WebSockets / SSE) We’re looking for someone who: • has experience with NestJS and TypeScript • understands API design and backend architecture • has worked with MongoDB and knows how to optimize performance • has experience with or strong interest in AI / LLM integrations • is familiar with cloud environments (Azure) and Docker • understands CI/CD (e.g., GitHub Actions) • works independently and takes ownership of their solutions • thinks beyond code - about product, scalability, and architecture • communicates well and enjoys working in a team • speaks German (preferred) or English Nice to have • experience with e-commerce systems • experience with real-time communication • prior exposure to AI-based products We offer • Remote work with occasional visits to the office and client - work from home with opportunities (and sometimes the need) to meet in our Wrocław office • Clear communication and a flat structure - no unnecessary hierarchy, easy access to decision-makers • Individual growth path - plan your development with your leader, with access to external training and knowledge-sharing sessions • A supportive team culture - we value openness, trust, and collaboration • Engaging projects - work on impactful solutions across various industries (e-learning, energy, finance, manufacturing, logistics) • International teams and clients - use and develop your English and/or German in real project settings • Language classes - company-funded English and German lessons (all levels, including native speakers) • Benefits package - private healthcare (LuxMed), life insurance (Unum), Multisport card • Focus on well-being and integration - regular team meetings, internal initiatives, sports groups, and everyday activities that build strong relationships and a great atmosphere