Senior Python Developer / Fullstack Developer

Senior Python Developer / Fullstack Developer Date:  Mar 21, 2026 Location:  Kraków, PL, 30-302 Working place:  Hybrid Type of contract: employment contract Salary range: 14 580 - 22 350 PLN gross   What will you do?   We are seeking a skilled and passionate Python Developer with a proven experience in building scalable microservices. The ideal candidate should be able to design, develop, test, and maintain robust backend systems.    Your tasks:   Develop scalable web applications using Python (FastAPI) Have the ability to work across the stack with React.js Design and optimize SQL/NoSQL/VS databases (PostgreSQL, Redis, PGVector) Work on AWS Use Docker and Kubernetes for containerization and orchestration Collaborate on RESTful APIs and backend services Apply CI/CD and automated testing practices Have experience or interest in building Gen AI applications, using tools such as LangChain, OpenAI APIs, etc   Your skills:   Strong proficiency in Python, with hands-on experience building production-grade APIs using FastAPI Experience working across the full stack, including React.js for frontend development Solid knowledge of database design and optimization, covering SQL and NoSQL databases such as PostgreSQL, Redis, and vector databases (e.g. PGVector) Practical experience working with AWS cloud services Experience with Docker and Kubernetes for containerization and orchestration Proven ability to design, implement, and consume RESTful APIs and backend services Familiarity with CI/CD pipelines, automated testing, and modern DevOps practices Experience with or strong interest in Generative AI application development, including tools and frameworks such as LangChain, OpenAI APIs, or similar Ability to collaborate effectively in cross-functional engineering teams Good problem-solving skills and a pragmatic, delivery-oriented mindset