At least 2 years of experience as a backend or full-stack developer, Strong proficiency in Python, with a clean and maintainable coding style, Familiarity with C/C++ for integration with performance-critical modules, Comfortable working in Linux environments, Good knowledge of spoken and written English (everyday communication), Self-motivated, detail-oriented, and collaborative, Residing in Poland required, Experience with web frameworks (FastAPI, Flask, or Django), Familiarity with full-stack development (React, REST APIs, CI/CD)