October 5, 2026

Senior Python Developer

Senior • On-site

Warsaw, Poland

Quick Facts

  • Role: Senior Python Developer

  • Focus: Backend development, microservices, and data-processing in Python

Description

Design, develop, test, and maintain Python backend and data-processing applications. Build microservices, APIs, and system components, integrate with databases and external systems, and optimize performance. Ensure high code quality through code reviews and technical documentation while collaborating with analysts, architects, and DevOps teams.

Responsibilities

  • Design, develop, test, and maintain backend applications and data-processing solutions in Python

  • Build microservices, APIs, and system components

  • Integrate applications with databases and external systems

  • Optimize performance of developed solutions

  • Participate in code reviews and maintain code quality

  • Collaborate with analysts, architects, and DevOps teams

  • Create and update technical documentation

Requirements

  • 6+ years of commercial experience in Python and web application development

  • Experience with FastAPI (or similar asynchronous frameworks)

  • Experience building microservices and cloud solutions

  • Knowledge of DDD

  • Experience in Linux environment

  • Experience with Kubernetes and Red Hat OpenShift

  • Knowledge of Git (or similar version control)

  • Experience with Gerrit, Jenkins, Jira, and Confluence

  • Availability for hybrid work in Warsaw (minimum 1 day per week in the office)

Benefits

  • Job stability with long-term projects and collaboration with leading companies

  • Flexible employment forms: B2B contract, employment contract, or contract work

  • Medicover benefits (including dentistry), FitProfit, English language lessons

  • F45 gym training at the office with professional trainers

  • Employee referral program

  • Funding for IT certifications

  • Hybrid/remote/on-site work depending on the project

  • Company events and integration trips

  • Charity involvement (e.g., Szlachetna Paczka, #PomagamyNexio)

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