Job Description:

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++

Strong experience in Linux-based development with IPC and multi-threading

Debugging Tools

- gdb, valgrind
- Wireshark / protocol analyzers
- QXDM

Soft Skills:

- Strong debugging and analytical thinking
- Ownership of features end-to-end
- Ability to mentor junior developers
- Positive communication skills

Education:

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

📌 Technical Lead (Bengaluru)
🏢 Amantya Technologies
📍 Bengaluru