Senior Python Developer — Freelance Backend, AI & Cloud

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

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