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React & Fullstack Engineer with Python @

2 weeks ago

Kraków, Lesser Poland, Czech Republic Ringier Axel Springer Tech Full time
Must have skills:
  • Curiosity about AI, especially LLMs, and willingness to work closely with AI/ML specialists,
  • Strong React (and ideally TypeScript) skills, with proven experience in building production-grade frontends
  • Familiarity with REST APIs, Streaming, WebSockets, and asynchronous data flows
  • Experience with at least one backend stack (e.g. Node.js/Express, Python/FastAPI, Go, or Java/Kotlin + Spring Boot)
  • Hands-on experience with cloud platforms, preferably AWS (e.g. Lambda, SQS, DynamoDB, ECS/EKS)
  • Good understanding of modern web architecture (micro frontends, SPAs, CDNs, caching)

Additional Assets:

  • Experience working with generative AI APIs (OpenAI, Claude, Mistral, 11-Labs etc.)
  • Exposure to Prompt Engineering, retrieval-augmented generation (RAG) and agentic workflows
  • Understanding of Vector Databases (e.g. Pinecone, Weaviate, FAISS)
  • Coding with AI (e.g. GITHub Copilot, Cursor)
  • Familiarity with low-code/no-code tools (e.g. n8n, Make, Zapier)

Are you ready to shape the future of AI-powered publishing? At AI Booster, we're developing innovative solutions that empower journalists and editors through the latest breakthroughs in generative language models (LLMs). From smart assistants to content classification and autonomous agent – we're building tools that put generative AI into production, at scale.

You'll be joining a cross-functional team that combines engineering craftsmanship, product thinking, and applied AI expertise to deliver high-impact, user-facing products for leading media brands across Ringier AG and Ringier Axel Springer Polska.
If you're passionate about AI, user experience, and modern full stack development – we'd love to talk

,[Rapidly prototyping and launching MVP applications powered by LLMs and AI services , Leading front-end development using React (TypeScript) to deliver intuitive, responsive UIs for editors and journalists , Designing and developing backend services (choose your flavor: Node.js, Python, Go, or Java/Kotlin) that power AI features at scale , Integrating with cutting-edge AI/ML services and collaborating with data scientists to put their models into production , Making architectural decisions and shaping the technical direction of our solutions , Following DevOps and CI/CD best practices for smooth deployment and monitoring , Working closely with Product Owners and end-users to understand needs and deliver value iteratively , Continuously improving team practices, sharing knowledge, and mentoring others ] Requirements: Node.js, React, Python, TypeScript, AWS, AI APIs, Vector Databases, Express.js, FastAPI Tools: Jira, Github, Confluence, GitHub, GIT, GitHub Action, Agile, Scrum. Additionally: Sport subscription, Training budget, Private healthcare, Flat structure, Small teams, International projects, Free coffee, Gym, Canteen, Bike parking, Playroom, Shower, Free parking, In-house trainings, In-house hack days, Modern office, No dress code.