C++ Software Developer

🕒 il y a 6 mois

🇵🇱 Pologne – Télétravail

⏰ Temps Plein

🟡 Intermédiaire

🟠 Senior

🧑‍💻 Développeur Full-Stack

👻 Score fantôme 26%

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🗣️🇺🇸🇬🇧 Anglais requis

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IS-Wireless

51 - 200 employés

Fondée en 2017

🎖️ Défense

🏭 Fabrication

💼 Conseil

Defense • Manufacturing • Consulting

IS-Wireless est un innovateur profond européen de premier plan, développant des solutions d'accès radio 5G/6G ultra-résilientes, sécurisées et économes en ressources pour une utilisation industrielle et tactique. Fondée en 2017, l'entreprise a été reconnue avec le label EIC Seal of Excellence et le statut d'innovation OTAN DIANA 2025, et détient plus de 10 brevets pour sa technologie Liquid RAN — une approche ouverte et désagrégée permettant une restauration rapide et une redéploiement des stations de base dans des environnements volatils ou dégradés. IS-Wireless opère comme une entreprise à double usage, reliant les applications de défense et commerciales, et rassemble l'expertise matérielle et logicielle de fournisseurs de télécommunications, d'opérateurs et d'instituts de recherche et développement.

Description

• Design, implement, and optimize 5G NR Layer 1 (PHY) components in modern C++ for low-latency, high-throughput processing. • Build and tune signal-processing blocks (OFDM modulation/demodulation, channel estimation, equalization, synchronization, MIMO/beamforming, HARQ, LDPC/Polar). • Apply multithreading, lock-free techniques, fixed-point arithmetic, and SIMD (SSE/AVX/NEON) vectorization to meet real-time KPIs. • Integrate close to hardware on embedded Linux (x86/ARM), optimize memory/I/O paths, and ensure cache-efficient data layouts. • Profile and debug performance (gdb, perf, valgrind, VTune), identify bottlenecks, and drive continuous improvements. • Define clean interfaces between L1 and upper layers (L2/L3) and O-RU; collaborate with system architects, protocol engineers, and QA teams to deliver carrier-grade features. • Write unit/integration tests (GoogleTest), support hardware-in-the-loop testing, and contribute to CI/CD and documentation. • Participate in code reviews and uphold high engineering standards.

🎯 Exigences

• 3+ years of hands-on modern C++ (C++14/17/20) in performance-critical systems; strong multithreading and memory-management skills. • Solid understanding of DSP fundamentals and 5G NR PHY concepts (OFDM, MIMO, synchronization, channel coding LDPC/Polar). • Proven experience with SIMD vectorization and cache-aware, low-latency design. • Proficiency in Linux development (toolchain, CMake, Git) and debugging/profiling tools. • Experience with embedded/real-time systems and working close to hardware. • Ability to read and apply 3GPP specifications. • Very good English (spoken/written).

🏖️ Avantages

• 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

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