Senior Software Engineer II (Python, Payments) @ SpotOn

What skill are we looking for? You’ve spent 5–7 years building production systems, with at least 3 years working deeply in Python. You are willing to work in a hybrid setup, coming into our Kraków or Gdańsk office 2–3 times per week. You are highly proficient in Python and at least one modern framework (Django, FastAPI, or Flask), and you take ownership of what you build—from design through production. You have strong experience building and consuming APIs, and understand how systems communicat…