Python Developer (mid/senior) - freelance

Monterail; Województwo pomorskie; On-site; PLN 124,000 - 165,000; Part time

Job summary

Monterail is expanding its Monterail Tech Network (MTN) for freelance Python developers in Poland. This B2B, hourly engagement opens Mid and Senior roles on commercial projects using Django, Flask, and FastAPI.

You'll work with AWS, PostgreSQL, and Terraform, take ownership of complex systems, and collaborate with clients and engineers. English and Polish are required for effective communication.

Qualifications

• Strong hands-on Python experience with Django, Flask, and FastAPI.
• Proficient with PostgreSQL and cloud platforms (AWS preferred).
• Knowledge of Terraform is a plus.
• Fluent in English and Polish.

Responsibilities

• Build, maintain, and extend Python applications on commercial projects.
• Leverage AI to improve work efficiency.
• Design and optimize databases and background processing for performance.
• Work with cloud infrastructure and modern deployment practices.
• Take ownership of complex systems and refactor as needed.
• Collaborate with engineers, PMs, testers and clients; review code and decisions.

Skills

Python development

Django

Flask

FastAPI

English & Polish communication

Tools

PostgreSQL

AWS

Terraform

Job description

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