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Parallelwireless

Tech Lead, Stack

Parallelwireless Pune 1 day ago
engineering
Parallel Wireless is a U.S.-based pioneer in Open RAN innovation, transforming how mobile networks are built, optimized, and powered. Through our GreenRAN™ portfolio, we enable operators to deliver next-generation connectivity with unmatched energy efficiency, automation, and flexibility.

What you need

  • Strong hands-on experience in LTE Layer 2 – MAC, RLC, PDCP
  • In-depth knowledge of 3GPP LTE standards (36.321, 36.322, 36.323)
  • Excellent programming skills in C/C++ (embedded, real-time systems)
  • Experience with multi-threaded systems, IPC, and high-performance software
  • Debugging experience using tools like GDB, Wireshark, protocol analyzers
  • Strong understanding of LTE call flows and KPIs (throughput, latency, BLER)
  • Strong technical leadership and ownership 
  • Ability to explain complex protocol behavior clearly
  • Excellent problem-solving and analytical skills
  • Effective communication with cross-functional and global teams
  • Ability to work in a fast-paced R&D environment
  • Mentor and guide a team of junior engineers
  • Break down requirements into technical tasks and ensure timely deliver

    • What you will do :

  • Lead development/support/maintenance of features such as:
  • Scheduling and HARQ (MAC)
  • RLC AM/UM/TM procedures
  • PDCP ciphering, integrity protection, ROHC
  • QoS, DRX, SR/BSR, Timing Advance handling
  • Carrier Aggregation, MIMO, and 256-QAM support
  • Optimize throughput, latency, CPU usage, and memory footprint
  • Analyze and resolve complex protocol and performance issues in lab and field environments

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