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Regular Python Developer (f/m/x)
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Offer summary

(Summary generated by AI based on the full job description)

The project focuses on building cloud-native solutions for large telecommunications networks, including 5G. Strong skills in Python 3 are required along with experience in microservices, REST APIs and network data processing. Responsibilities cover the full SDLC, implementation and testing (pytest/unittest), troubleshooting in Linux and Kubernetes, telemetry data analysis and participation in PoC and technology evaluation. Offered benefits include private healthcare, learning programs and profit-sharing.

new

Regular Python Developer (f/m/x)

Company: Sii Sp. z o.o.

from: 9 October 2026
to: 8 November 2026
salary not specifiedB2B contract (full-time)
salary not specifiedcontract of employment
Offer parameters
level:mid
working mode:hybrid • full office
Kraków, Podgórze
Kraków, PodgórzeWadowicka 12View on map

Requirements

Expected technologies

Python
Linux

Optional technologies

Grafana
Kubernetes
3G

Our requirements

  • Minimum 3 years of experience in software development with strong programming skills in modern Python 3
  • Experience in designing, implementing, and maintaining production-quality software
  • Practical knowledge of automated testing using pytest, unittest, or similar frameworks
  • Previous work with Linux-based software development
  • Understanding of containers, Docker, and Kubernetes fundamentals
  • Experience in developing microservices or web APIs
  • Familiarity with relational databases
  • Good problem-solving and debugging skills
  • Ability to use AI coding tools effectively and critically evaluate their output
  • Advanced level of Polish and English
  • Residency in Poland

Optional

  • Expertise in developing software for telecommunications systems, particularly 4G or 5G RAN
  • Experience operating or troubleshooting applications in Kubernetes
  • Knowledge of Kubernetes networking, ingress, storage, and security concepts
  • Previous work with message brokers or event-driven architecture
  • Familiarity with public or private cloud platforms
  • Experience with data analysis, machine learning, or AI-assisted network optimization
  • Familiarity with Helm, Prometheus, Grafana, or OpenTelemetry

Your responsibilities

  • Participating in the complete software development lifecycle, including requirements analysis, solution design, implementation, testing, and deployment
  • Developing cloud-native microservices and REST APIs
  • Processing and analyzing network configuration, performance, and telemetry data
  • Writing unit, integration, and system tests
  • Troubleshooting application behavior in Linux and Kubernetes environments
  • Evaluating new technologies and contributing to research and proof-of-concept activities
  • Collaborating with software developers, system engineers, data scientists, and telecommunications experts
Company

About the project

We are looking for a skilled Python Developer to join our team focused on developing cloud-native software solutions for large-scale telecommunications networks, including 5G technologies. You will participate in the complete software development lifecycle, collaborating with a diverse team of software developers, system engineers, data scientists, and telecommunications experts. This role offers a hybrid work mode, allowing you to work from both the office and home. If you are passionate about building production-quality software and eager to tackle challenges in the telecommunications domain, this opportunity may be the right fit for you.

What we offer

  • Great Place to Work since 2015 - it’s thanks to feedback from our workers that we get this special title and constantly implement new ideas
  • Employment stability - revenue of PLN 2.1BN, no debts, since 2006 on the market
  • We share the profit with Workers - over PLN 76M has already been allocated for this aim since 2022
  • Attractive benefits package - private healthcare, benefits cafeteria platform, car discounts and more
  • Comfortable workplace – class A offices or remote work
  • Dozens of fascinating projects for prestigious brands from all over the world – you can change them thanks to Job Changer application
  • PLN 1 000 000 per year for your ideas - with this amount, we support the passions and voluntary actions of our workers
  • Investment in your growth – meetups, webinars, training platform and technology blog – you choose
  • Fantastic atmosphere created by all Sii Power People

Recruitment stages

  • 1.
    Send your CV
  • 2.
    Talk to us about your expectations
  • 3.
    Learn more about our projects and choose the best
  • 4.
    Start your adventure with Sii!

Sii Sp. z o.o.

Sii is the leading technology consulting, digital transformation, engineering, and business services vendor in Poland. We already employ more than 7 300 professionals and implement projects in a variety of industries for clients from many countries around the world. The Great Place to Work title, won 10 times in a row, proves that at Sii, we create a friendly work environment.
Sii ensures that all employment-related decisions are made solely on the basis of qualifications and competencies. We are committed to equal treatment of all individuals, regardless of any protected characteristics, and promoting a diverse and inclusive work environment.

This is how we work

Regular Python Developer (f/m/x)
I apply to:
Sii Sp. z o.o.
Kraków, Podgórze
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