AI-Driven 4G PHY SW Tech Lead

Parallel Wireless • Bachelor's Degree • C++ • MATLAB • Python • 18 days ago
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Salary
≈ $118k – $282k per year (Estimated)
Location
Remote/Hybrid (Kfar Saba, Israel)
Seniority
Staff · 3+ years exp
Employment
Full-Time
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Parallel Wireless

Parallel Wireless is a telecommunications software and hardware company headquartered in Nashua, New Hampshire, and founded in 2012. The company develops cloud-native Open RAN (Radio Access Network) solutions that support 2G, 3G, 4G, and 5G technologies through software-defined radios and network automation tools. It serves mobile network operators and private industries globally, providing interoperable infrastructure designed to reduce deployment costs and increase operational efficiency.
parallelwireless.com • HQ: Nashua, United States • Network Equipment • Mobile Networks • Telecom Infrastructure • Telecommunications • Hardware • Wireless • Est. 2012

We are looking for a AI-Driven 4G PHY SW Tech Lead to work on the architecture, implementation, and real-time optimization of the LTE Layer 1 (PHY) software stack. You will be a technical authority for the domain, working across MAC, System, Integration, QA, and Product Management to deliver carrier-grade Open RAN solutions. A core part of the role is advancing how the team applies AI and agentic software development to a large, high-performance codebase, accelerating design, debugging, and delivery.

What you will do:

    • Lead the design, development, and evolution of the LTE Layer 1 (PHY) software stack.
    • Drive PHY features end to end: architecture, implementation, optimization, testing, and production support.
    • Drive performance optimization, debugging, and root cause analysis for carrier-grade real-time reliability.
    • Shape the software architecture and technical roadmap of our Open RAN platform.
    • Mentor engineers, set the bar for engineering practice, and partner with MAC, System Engineering, Integration, QA, and Product Management.
    • Apply agentic software development and LLM-based workflows, and evaluate new tools as they emerge.

What you should have:

    • 3+ years as a Technical Lead or Senior Software Engineer on complex software projects.
    • Strong knowledge of the wireless physical layer (PHY), ideally 4G/5G or another OFDM-based technology.
    • Hands-on experience with agentic software development and LLM-based workflows, plus a basic understanding of AI internals and RAG.
    • Excellent C/C++ and multi-threaded development on Linux-based real-time embedded systems.
    • Solid DSP fundamentals, with a track record of optimizing for latency, CPU, and memory.
    • Strong debugging and troubleshooting in complex embedded and distributed systems.
    • Fluent with Git, CI/CD pipelines, and Agile development practices.
    • Strong communicator who can mentor engineers and guide technical decisions across teams.

Nice to Have:

    • Open RAN (O-RAN) architecture, eNodeB/gNodeB, or baseband software development.
    • SIMD optimization (AVX, SSE, NEON) on ARM and x86.
    • MATLAB or Python for algorithm development and validation.
    • Cloud-native telecom platforms, containerized deployments, or large-scale wireless infrastructure.

Education:

    • Bachelor's degree in Computer Science, Computer Engineering, Electrical Engineering, Telecommunications, or a related technical field.
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