About Us:
We are a dynamic and rapidly growing company developing next-generation telecommunications technologies for global markets. Our mission is to shape the future of wireless by delivering cutting-edge 5G and 5G mmWave solutions. We're looking for a Telecom Systems Software Engineer to join our RAN team and play a key role in developing and maintaining the L1/L2/L3 protocol stack and enabling multi-platform support (x86 and ARM).
Your Role:
As a Telecom Systems Software Engineer, you will be responsible for maintaining and enhancing the software stack of our 5G Radio Access Network (RAN) solutions. This includes implementing new features across L1/L2/L3, optimizing the system for new architectures (ARM), and integrating licensing mechanisms. You’ll work with a multi-disciplinary team on real-time telecom solutions in a fast-paced, collaborative environment.
Design, develop, and maintain 5G RAN software stack (L1/L2/L3 layers).
Port and optimize the codebase for ARM architecture (currently runs on x86).
Integrate software licensing mechanisms into the existing RAN stack.
Work closely with hardware teams to ensure seamless integration between RU, DU, CU, and Core components.
Support time synchronization technologies (PTP/SyncE) for real-time radio operation.
Troubleshoot and resolve issues in live and test environments.
Create and maintain technical documentation, including interface specs and system configs.
Collaborate with QA to create automated test scenarios (Python, Bash).
Provide guidance on software and hardware requirements for RAN deployment.
Bachelor’s or Master’s degree in Telecommunications, Electrical Engineering, Computer Science, or related field.
2+ years of experience in embedded or telecom systems software development.
Solid knowledge of 4G/5G RAN architecture and protocol layers (MAC, RLC, PDCP, RRC).
Strong Linux development skills.
Proficiency in C/C++ and Python.
Familiarity with Git and CI/CD tools.
Understanding of system performance tuning and resource management.
Experience with ARM and x86-based platforms.
Good command of English (spoken and written)
Experience with O-RAN interfaces and specifications.
Knowledge of time synchronization protocols (PTP, SyncE).
Familiarity with FPGA or SDR-based systems (Verilog/VHDL a plus).
Experience with software licensing systems or commercial protection frameworks.
Salary: 10,000 – 20,000 PLN gross (contract of employment or B2B/casual contract).
Flexible working model: on-site, remote, or hybrid.
Private healthcare & sports package.
Opportunity to work on cutting-edge telecom tech from day one.
Integration events and a collaborative, startup-like culture.
A real impact — you’ll help shape the backbone of next-gen wireless networks.
Job details are sourced from the employer's original posting.
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