Gfi Poland

Python Developer

Warsaw – POLAND


  • developing the binary / csv / HDF5 data parsing component into a parquet file format
  • the development of an analytical framework that operates on data timeseries


  • Very good knowledge of python 3.7+;
  • Practical knowledge of libraries numpy and pandas;Ability to programme backend components with an emphasis on optimising
  • execution time and memory consumption;
  • Skills in competitive programming;
  • Knowledge of programming patterns;Ability to write unit tests;
  • Knowledge of GIT;
  • Knowledge of the parquet file format is nice to have.


  • Attractive salary;
  • Work in interesting projects, including international ones;
  • Convenient form of employment – employment contract or long-term contract;
  • With an employment contract a rich package of benefits, including: private medical care, life insurance, funding for sports and cultural activities;
  • Nice working atmosphere.

Why work in Gfi East?

We focus on cooperation and responsibility of our employees - together these features affect the quality of solutions provided. You will work in cool teams, among open and communicative people. Our office is a friendly work environment where you can find your place and you can always count on the support of your colleagues. With the help of internal trainings - small and large - we support professional and personal development.

We count on your commitment, initiative and good ideas. Join us today!


None of our current job offers is right for you? Tell us your current achievements, write what you are currently doing and say what you would like to do at Gfi East. As soon as the project for you appears, we will contact you.

If you want to gain experience in the IT industry, we invite you to familiarize with the offer in Gfi Apprenticeships & Interships