Python Developer (mid/senior) - freelance

Monterail; Polska; Remote; PLN 124,000 - 165,000; Full time

Job summary

Monterail invites freelance developers to join the Monterail Tech Network (MTN) for challenging Django, Flask or FastAPI projects on real client work. You will build, extend, and maintain Python applications within commercial settings, using AI to improve efficiency and reliability.

You will work with PostgreSQL, AWS, and modern deployment practices, taking ownership of complex systems, optimizing performance, and collaborating with engineers, PMs, testers, and clients to shape technical

Qualifications

• Proficient Python experience with Django, Flask, and FastAPI.
• Experience with PostgreSQL and AWS in real projects.
• Familiarity with Terraform and DevOps practices.
• Fluent English and Polish communication.

Responsibilities

• Build, maintain, and extend Python applications on commercial projects.
• Leverage AI to improve development workflows.
• Design and optimize databases and background processing for performance.
• Work with cloud infrastructure and modern deployment practices.
• Own complex systems — refactor and keep them healthy.
• Collaborate with engineers, PMs, testers, and clients; review code and share decisions.

Skills

Python

Django

Flask

FastAPI

PostgreSQL

AWS

DevOps

English

Polish

Tools

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

Originally posted on Himalayas