Job Title: Senior Layer 2 Developer 4G LTE eNodeB

Experience: 8+ Years

Location: Bengaluru

Job Summary

We are seeking a highly skilled Layer 2 Developer with deep expertise in LTE eNodeB protocol stack development. The role focuses on designing, coding, and optimizing Layer 2 components (MAC, RLC, PDCP) with strong emphasis on real-time performance, scalability, and standards compliance.Key Technical Skills:
Design, develop and maintain LTE Layer 2(PDCP/RLC/MAC) stack.
Design and optimize Uplink/Downlink scheduling algorithms (QoS aware, fairness, etc.)• Optimization of Resource allocation block.
Design, develop and optimization of HARQ process, Power control, SPS, TTI Bundling, Link Adaptation, CA, ENDC.
Implement L2–L1 interface handling via FAPI / nFAPI: encode/decode primitives, timing synchronization, error handling.
Implement L2–L3 (RRC) interface: configuration primitives, bearer setup/release, re-establishment procedures.




Read and translate 3GPP LTE Release 8–17 specifications directly into code, handling edge cases and error conditions.
Write and maintain unit tests with high code coverage for each developed module.
Debug L2 protocol issues independently — analyze PCAP captures, L2 traces, and scheduler logs to isolate root causes• Should be able to prepare LLD, HLD and Interface specifications• Expert in C/C++• Solid experience in Linux-based development with IPC and multi-threading

Debugging Tools
gdb, valgrind
Wireshark / protocol analyzers
QXDM

Soft Skills:
Robust debugging and analytical thinking
Ownership of features end-to-end
Ability to mentor junior developers
Valuable communication skills

Education:
B.Tech / M.Tech in Electronics, Telecommunications, Computer Science, or equivalent

📌 Layer 2 Develo G/5g Bengaluru
🏢 Amantya Technologies
📍 Bengaluru