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November 3, 2026
Senior Baseband System Developer
Senior • On-site
Lodz, Poland
Quick Facts
Role: Senior Baseband System Developer
Description
Lead systemization for next-generation Radio Access Network products, emphasizing baseband algorithms and development of wireless technologies such as signal processing and multi-antenna systems. Design, optimize, and validate physical layer (L1) and radio resource management (RRM) algorithms, and perform link-level and network-level studies to improve 5G/6G network performance and efficiency. Influence technical direction and standards, and deliver requirements and architecture artifacts that accelerate product delivery.
Responsibilities
Lead systemization by defining system requirements, driving feature development, and aligning technical roadmaps
Design, optimize, and validate L1 and RRM algorithms for digital signal processing, MIMO, and beamforming
Conduct advanced link-level and network-level system studies for wireless performance and efficiency
Develop and refine software simulations and tools (link- and network-level)
Collaborate globally with engineering, product, and standards teams for system integration and high-impact features
Contribute to 5G/6G standards definition and provide mentoring/guidance in cross-team forums
Deliver systemization artifacts such as requirements and architectures
Requirements
10+ years of experience in wireless systems engineering focused on 5G/6G and RAN systemization
Deep expertise in communications theory, digital signal processing, MIMO, and beamforming
Strong experience with simulation environments and tools for link- and network-level evaluation
Analytical and problem-solving mindset with a record of system-level improvements impacting KPIs
Demonstrated leadership and mentorship across cross-functional and distributed teams
Proficiency in one or more of Java, MATLAB, C/C++, or Python
MS/PhD in Computer Science, Electrical Engineering, Telecommunications, or a related discipline
Benefits
Hybrid work model (3 days/week from the office)
Annual bonus based on company goals and results
Tax-deductible cost reduction possibility for creative work
Financial awards and distinctions
Private medical care for employee and their family (Medicover)
Life insurance
Mental Help Line
Pluxee cafeteria platform with co-financing for MultiSport or OK System card, lunch cards, and more
Sports and integration activities (e.g., football, climbing club)
Company support (loans and grants)
Opportunity to participate in 3G/4G/5G...6G technology projects
Technical and interpersonal training with international trainers
Access to learning platforms (Pluralsight, Skillsoft, Coursera)
Opportunity to work in an international environment, including outside Poland
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