Python Developer (mid/senior) - freelance

We're all about freelance! Join the Monterail Tech Network Looking for your next gig without the hassle of hunting for one? The Monterail Tech Network (MTN) is our curated database of freelance experts who work with us on real commercial projects. When something fits your skills, we reach out — no cold applications, no endless job boards. We're building out the network with Frontend, Backend, Mobile, and AI/LLM Developers, Project Managers, and QA Engineers. Open now: Mid or Senior Python Developer (freelance / B2B) What you'll do Build, maintain, and extend Python applications on our commercial projects Use AI to leverage and improve your work Design and optimize databases and background processing for performance and reliability Work with cloud infrastructure and modern deployment practices Take ownership of complex systems — improving, refactoring, and keeping them healthy Collaborate with engineers, project managers, testers and clients; review code, and share technical decisions What we're looking for Technical core: strong hands-on Python experience with Django, Flask. FastAPI Data & infrastructure: good knowledge of PostgreSQL and practical experience with AWS (or a comparable cloud) DevOps mindset: familiarity with Terraform is a strong plus Ownership: comfortable managing and enhancing complex systems Communication: fluent English and Polish Rates & contract B2B contract, billed hourly Mid: up to 90 PLN/hour Senior: up to 120 PLN/hour Final rate depends on project scope and your experience