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November 4, 2026
Senior Baseband System Developer
Senior • On-site
Łódź, ŁD, Poland
Quick Facts
Role: Senior Baseband System Developer
Focus: 5G/6G RAN systemization and baseband algorithms
Description
Lead systemization for next-generation Radio Access Network (RAN) products by defining requirements and driving feature development and technical roadmaps. Design, optimize, and validate physical layer (L1) and radio resource management (RRM) algorithms focused on digital signal processing, MIMO, and beamforming, supported by advanced link- and network-level studies and simulations. Contribute to 5G/6G standards and provide technical direction to improve network performance, efficiency, and product KPIs.
Responsibilities
Lead systemization for next-generation RAN products: requirements definition, feature development, and roadmap alignment
Design, optimize, and validate L1 and RRM algorithms for digital signal processing, MIMO, and beamforming
Perform link-level and network-level system studies to improve wireless network performance and efficiency for 5G/6G
Develop and refine link- and network-level software simulations and tools to assess designs and guide product decisions
Collaborate with cross-functional and global teams for system integration and delivery of high-impact features
Influence and contribute to 5G/6G standards; represent technical direction and mentor teammates
Deliver systemization artifacts such as requirements and architectures to accelerate product delivery
Requirements
10+ years of experience in wireless systems engineering focused on 5G/6G and RAN systemization with technical leadership
Deep expertise in communications theory, digital signal processing, MIMO, and beamforming
Strong experience with simulation environments/tools for link- and network-level evaluation
Analytical and problem-solving mindset with evidence of system-level improvements impacting product KPIs
Leadership, mentorship, and cross-functional collaboration ability
Proficiency in one or more of Java, MATLAB, C/C++, and Python
MS/PhD in Computer Science, Electrical Engineering, Telecommunications, or related field
Benefits
Hybrid work model: 3 days per week from the office
Annual bonus based on company goals and results
Tax-deductible cost support for creative work
Financial awards and distinctions
Private medical care for employee and family (Medicover)
Life insurance
Mental Help Line
Pluxee cafeteria platform with co-financing MultiSport or OK System cards, lunch cards, and more
Sports and integration activities
Company support (loans and grants)
Opportunities to participate in 3G/4G/5G/6G technology projects
International training and recognized learning platforms (Pluralsight, Skillsoft, Coursera)
Opportunity to work in an international environment, including outside Poland
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