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Offer summary
(Summary generated by AI based on the full job description)
The project focuses on embedded software in 5G telecommunications for high-performance mobile network systems. It requires C programming using Linux, multithreading and inter-process communication. Responsibilities include developing, testing, debugging, maintaining code, and managing CMake build configurations. Knowledge of telecom protocols and fluent Polish are required.
from: 15 June 2026
to: 15 July 2026
salary not specifiedB2B contract (full-time)
salary not specifiedcontract of employment
Offer parameters
level:mid • senior
working mode:remote • hybrid • full office
Gdańsk, Oliwa
Requirements
Expected technologies
C
Linux
CMake
Operating system
Linux
Our requirements
- Minimum 3 years of experience in C development
- Strong proficiency in C programming for developing high-performance and highly reliable systems
- Experience developing scalable, multi-threaded applications on Linux, including inter-process and cross-thread communication
- Solid understanding of telecommunications protocols and mobile network systems
- Ability to troubleshoot, debug, and optimize complex system-level issues in Linux environments
- Experience with build systems and code quality practices, including CMake configuration and participation in code reviews
- Good command of English (communicative for all work purposes)
- Fluent in Polish required
- Residing in Poland required
Your responsibilities
- Work as a C developer for high-performance and high-reliability mobile network systems and applications
- Develop scalable, multi-threaded functionalities using Linux OS and its multi-threading and cross-thread/cross-process communication capabilities
- Collaborate with cross-functional teams to design, implement, and test new features and functionalities
- Troubleshoot and debug complex system issues, leveraging your Linux OS and knowledge of telecommunications protocols and standards
- Participate in code reviews and maintain coding standards, ensuring high-quality and maintainable code
- Create and/or manage CMake build configurations
About the project
If you are looking for a new challenge as a C Developer, join a low-level embedded project in the telecommunications sector focused on 5G mobile network hardware. The role involves developing high-performance and reliable software close to the hardware layer for advanced telecom systems. If this opportunity sounds interesting to you, please apply.
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
C Developer – telco sector (f/m/x)
I apply to:
Sii Sp. z o.o.
Gdańsk, Oliwa
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