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Sii Sp. z o.o.

5G Senior C++ Developer (f/m/x)

Sii Sp. z o.o. Show all offers
B2B
Hybrid
Senior
Piła
Katowice
Wrocław
Białystok
+10
Expires Oct 14, 2026
4 days ago

In short

5G Senior C++ Developer (f/m/x) needed for Sii Sp. z o.o. in Piła. Responsibilities include C++ software development for 5G UE, integration, testing, and architectural decisions. Requires 6+ years of C++ experience, 5G UE, FreeRTOS, O-RAN testing, and integration/testing expertise.

Keywords

C++ 5G UE software stack FreeRTOS O-RAN testing systems integration software testing Python

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Technologies we use

About the project

Your responsibilities

  • Developing C++ software for the 5G UE software stack
  • Integrating various software components into hardware solutions
  • Conducting software testing as necessary to ensure quality
  • Supporting the team in making architectural and technological decisions
  • Collaborating with cross-functional teams to deliver integrated solutions

Our requirements

  • Minimum 6 years of experience in software development with a strong focus on C++
  • Proven experience working with 5G UE software stack and systems integration
  • Hands-on expertise in FreeRTOS and O-RAN testing
  • Practical experience in software integrations and testing
  • Fluent English

Optional

  • Experience with Python for testing purposes
  • Background in the Defense or Telecommunications industry

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
Published 2026-09-14
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