Tech Lead, Stack
Full Time 0 - 0 INR per-year-salaryJob Overview
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.
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