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September 25, 2026

Python Developer (Data Engineering)

Junior • On-site

208,000 - 249,600 PLN/yr

Warsaw, Poland

Quick Facts

  • Role: Python Developer (Data Engineering)
  • Domain: Telecommunications
  • Work mode: Hybrid (3 days in office / 2 days remote)
  • Contract: Project until 31.12.2026 with potential long-term extension
  • Schedule: 8:30–16:30
  • On-call: Possible, ~1 week per month (paid)
  • Rate: 100–120 PLN/h + VAT (B2B)

Description

You will develop solutions for processing data from the telecommunications network, including systems for monitoring, service quality reporting, and SLA billing/settlements. You will also contribute to transformations of the project environments and develop/maintain deployed solutions.

Responsibilities

  • Create new data processing modules for telecommunications network data
  • Develop software supporting network and service quality monitoring and reporting
  • Build solutions related to SLA billing/settlements
  • Participate in a transformation of project environments
  • Develop and maintain implemented solutions
  • Potentially participate in 24/7 phone on-call duty (~1 week per month)

Requirements

  • Minimum 1 year of commercial experience with Python
  • Strong SQL knowledge (preferred: Oracle experience)
  • Comfort working in Linux
  • Analytical skills and interest in working with data
  • Communication skills and ability to work in a team
  • English proficiency for working in an international environment and using technical documentation

Benefits

  • B2B rate: 100–120 PLN/h + VAT
  • Opportunity for long-term cooperation and extension to subsequent years
  • Hybrid work model: 2 days remote per week
  • Client-provided equipment and a full workstation setup
  • Project using real telecommunications data and Data Engineering solutions
  • Collaboration with an experienced team in a stable project environment

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