5G/6G C Developer

Job not on LinkedIn

🕒 March 24

🇵🇱 Poland – Remote

⏰ Full Time

🟡 Mid-level

🟠 Senior

🖥 Software Engineer

👻 Ghost score 27%

What it means: how likely this posting is sitting open without active hiring.How to read it: 60% or higher means we think this is a ghost. Lower scores are less of a worry.How we score it: age, reposts, open roles vs team size, how fast jobs close, and whether pay is listed.Fine print: an estimate from public data, not a judgment of the company. Real jobs can score high, so treat it as a hint, not a fact.

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IS-Wireless

WebsiteLinkedInAll Job Openings

51 - 200 employees

Founded 2017

🎖️ Defense

🏭 Manufacturing

💼 Consulting

Defense • Manufacturing • Consulting

IS-Wireless is a top European deep-tech innovator developing ultra-resilient, secure, and resource-efficient 5G/6G radio access solutions for industrial and tactical use. The company, founded in 2017 and recognized with the EIC Seal of Excellence and NATO DIANA 2025 innovation status, holds 10+ patents for its Liquid RAN technology — an open, disaggregated approach enabling rapid restoration and redeployment of base stations in volatile or degraded environments. IS-Wireless operates as a dual-use firm bridging defense and commercial applications, and brings together hardware and software expertise from telecom vendors, operators, and R&D institutions.

📋 Description

• Join our L2/L3 team to develop high-performance system software and algorithmic solutions that power 5G network infrastructure. • Develop and optimize high-performance data processing algorithms and engines using C99. • Implement system-level software components for network data flows, buffering, and memory management. • Design and optimize data structures, algorithms, and computational modules for 5G network processing. • Collaborate with L2/L3 team members on system architecture and performance optimization challenges. • Profile and tune system performance, memory usage, and computational efficiency of network software. • Implement multi-threaded system components and concurrent data processing pipelines. • Debug complex system-level issues and optimize algorithmic bottlenecks in network processing.

🎯 Requirements

• 3+ years of professional C development experience with strong focus on C99 standard and system programming. • Solid understanding of algorithms, data structures, and computational complexity optimization. • Experience with system-level programming, multi-threading, and high-performance computing. • Knowledge of memory management, performance profiling, and system optimization techniques. • Strong analytical and algorithmic problem-solving skills for complex computational challenges. • Familiarity with Linux systems programming, debugging tools, and performance analysis. • Very good English (spoken/written).

🏖️ Benefits

• Competitive salary package that grows with your experience and impact • Access to world-class telecommunications knowledge base and comprehensive training resources • Time for training, conferences, and self-development with ample opportunities for personal growth • Opportunities for growth and advancement based on merit • Ownership of cutting-edge, patent-worthy technology that shapes global connectivity • Exposure to the latest technology and tools that push the boundaries of innovation • Diverse, friendly, and talented international team of engineers and domain experts • Collaborative, low-ego environment that rewards initiative and values your input • Flexible working hours that promote healthy work-life balance • Regular integration events that foster team bonding and camaraderie