Wireless Protocol Software Engineer (C/C++) | 3GPP | GSM/UMTS/LTE/5G

Ovii's Interpretation of the Role

We are looking for a software engineer to design, implement, and maintain wireless protocol stacks across 2G, 3G, 4G, and 5G. The role requires strong C/C++ skills, deep knowledge of 3GPP standards, and hands‑on debugging of protocol issues in lab and field environments.

Role Snapshot

• Develop and maintain multi‑generation telecom protocol stacks
• C/C++ implementation of 3GPP standards
• Debug and troubleshoot protocol issues
• Perform conformance, field‑trial, and interoperability testing
• Analyze logs and resolve root‑cause defects
• Collaborate with hardware and network teams

Must-Have Requirements

• Strong C/C++ programming
• Solid understanding of data structures and algorithms
• Experience in wireless telecom protocol development based on 3GPP standards
• Experience analyzing logs, identifying root causes, and fixing protocol stack issues
• Knowledge of 2G GSM Layer 1 controller, 3G UMTS, or IRAT modules
• wireless protocol stack development
• C/C++ implementation
• log analysis and debugging

Nice-to-Have Signals

• Willingness to work on 2G/3G development while currently on 4G/5G projects

Work Setup

• Location: Bengaluru, India
• Work mode: ONSITE
• Employment type: Full-Time

Not Specified in JD

• Visa sponsorship
• Salary range
• Remote eligibility
• Education requirement
• Certifications
• Relocation
• Notice period
• Travel requirement
• Security clearance
• Coding test

What You'll Likely Work On

• Design, implement, and optimise protocol‑stack components for 2G/3G/4G/5G using C/C++
• Conduct conformance, field‑trial, and interoperability testing to validate protocol behaviour
• Analyse logs and trace data to diagnose and fix stack issues
• Integrate Layer 1 and Layer 2 modules with hardware and network teams
• Support customer field trials and in‑house testing activities
• Document protocol implementations, test results, and bug‑fix procedures

Good Fit If You Have

• Experience with 4G/5G protocol development
• Familiarity with GSM Layer 1 controllers or UMTS modules
• Willingness to work on legacy 2G/3G technologies
• Background in telecom field trials or interoperability testing
• Strong problem‑solving skills for low‑level protocol bugs