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April 8, 2026

Python Specialist

Senior • Remote

Warsaw, Poland

Introduction & Summary

We are seeking a highly skilled Python Specialist with extensive experience in building and maintaining production-grade Python systems. The ideal candidate must demonstrate deep fluency in modern Python features and a robust understanding of RDBMS principles. You will play a crucial role in both enhancing legacy systems and developing new applications with high standards.

Main Responsibilities

As a Python Specialist, your core duties will include:

  • Developing and maintaining Python applications in a production environment.
  • Implementing features using SQLAlchemy 2.0, ensuring efficient database interactions.
  • Managing schemas in PostgreSQL with a focus on optimization.
  • Overseeing database migrations using Alembic.
  • Utilizing FastAPI to construct and deploy REST APIs.
  • Refactoring existing applications to adopt modern architectures.
  • Interfacing with AWS services for deployment and infrastructure management.
  • Employing Terraform for infrastructure-as-code methodologies.
  • Executing comprehensive testing strategies using pytest.
  • Implementing behavior-driven testing practices.

Key Requirements

  • Extensive experience with Python, including features such as type hints and decorators.
  • Hands-on experience with SQLAlchemy 2.0 and PostgreSQL.
  • Strong understanding of RDBMS fundamentals and database migrations (Alembic).
  • Experience with FastAPI or similar ASGI frameworks.
  • Ability to refactor legacy applications while serving production traffic.
  • Familiarity with AWS cloud services and Terraform.
  • Proficient in Docker for application deployment.
  • Strong testing discipline with pytest and knowledge of behavior-driven testing.
  • Experience with Domain-Driven Design principles.
  • Familiarity with CI/CD best practices using GitHub Actions.

Nice to Have

  • Background in Operations Research or Mathematical Optimization.
  • Experience in regulated industries such as pharmaceuticals or medical devices.

Other Details

This position involves collaboration in a regulated environment, with a strong focus on compliance and documentation standards. Remote working options may be available.