Software Engineer – 4G/5G Protocol Development | Velodata Global | Delhi/Bangalore

Velodata Global Pvt Ltd; Delhi, Bengaluru; On-site; INR 1,400,000 - 2,000,000; Full time

Job summary

Velodata Global Pvt Ltd is hiring a Software Engineer specializing in 4G/5G protocol development for on-site roles in Delhi or Bangalore, India. You will own Layer 3 protocol software design, RRC implementation, and control-plane signaling optimization for LTE/5G NR networks.

You will work with C/C++ and Python, analyze 3GPP specifications, and collaborate with cross-functional teams in an Agile setting, ensuring high-performance protocol stacks and reliable signaling.

Qualifications

• Bachelor’s degree in Computer Science, Telecommunications Engineering, Electronics, Electrical Engineering, or a related technical discipline.
• Minimum of 3+ years of progressive professional experience in telecom software development, preferably in 4G LTE and 5G NR protocol stacks.
• Strong, hands-on expertise in C/C++ and Python.
• Comprehensive knowledge of LTE/5G NR Layer 3 protocols, RRC, and control-plane signaling architectures.
• Experience interpreting 3GPP specifications.
• Experience with enterprise Linux administration, multithreading, and debugging.
• Familiarity with interfaces S1AP, X2AP, NGAP, F1AP, E1AP, XnAP.
• Ability to work on-site in Delhi or Bangalore.

Responsibilities

• Design, develop, test, and optimize telecom software using C/C++ and Python.
• Implement 4G LTE and 5G NR Layer 3 protocol stacks, focusing on RRC and signaling.
• Apply 3GPP specs across interfaces (S1AP, X2AP, NGAP, F1AP, E1AP, XnAP).
• Develop multithreaded modules, state machines, mobility workflows, handovers, and reselection logic.
• Debug and analyze logs, crashes, and performance in Linux environments.
• Conduct protocol trace analysis and air-interface decoding with Wireshark.
• Document protocol designs, APIs, and runbooks; coordinate with QA and wireless teams.

Skills

C/C++

Python

LTE/5G NR

RRC signaling

Linux debugging

Education

Bachelor's degree in CS/EE

Tools

Wireshark

Linux

Git

Google Test

Job description

Position Summary

Velodata Global is actively seeking an experienced, high-caliber, and technical Software Engineer specializing in 4G/5G Protocol Development with 3+ years of progressive professional experience in telecom software engineering, LTE/5G NR protocol stacks, and control-plane signaling to join our client engineering team on a full-time permanent on-site basis in Delhi or Bangalore, India. In this critical protocol development and telecom engineering role, you will be responsible for designing, developing, testing, and optimizing low-level telecom protocol software and RRC signaling modules for next-generation mobile networks. You will leverage your deep specialist expertise in C/C++, Python, 3GPP specifications, and Linux debugging to deliver uncompromised protocol stack reliability, high throughput, and operational excellence. This opportunity offers competitive compensation, executive technical visibility, and exceptional career growth prospects within a premier global IT staffing and telecommunications consultancy enterprise.

Detailed Job Description

As a Software Engineer specializing in 4G/5G Protocol Development supporting Velodata Global in Delhi or Bangalore, India, you will take full operational, tactical, and technical ownership of Layer 3 protocol software design, RRC stack implementation, control-plane signaling optimization, and protocol trace analysis across mission-critical wireless networks. Your day-to-day responsibilities include designing, developing, testing, and maintaining high-performance C/C++ and Python software modules for LTE/5G NR protocol stacks, implementing Layer 3 RRC protocols, mobility management procedures, handovers, cell reselection algorithms, and complex state machines, analyzing and implementing 3GPP LTE and 5G NR telecommunications specifications across network interfaces such as S1AP, X2AP, NGAP, F1AP, E1AP, and XnAP, configuring, debugging, and troubleshooting software components within enterprise Linux operating systems utilizing advanced debuggers, log analysis tools, and Wireshark protocol analyzers, collaborating closely with cross-functional systems engineering, QA, and wireless architecture squads in Agile sprint cycles, conducting rigorous multithreading optimization, memory profiling, and root cause analysis (RCA) for protocol anomalies, preparing comprehensive technical documentation of software architectures, message sequence charts, and operational runbooks, and managing application requirements. You will utilize your proactive troubleshooting and analytical problem-solving skills to resolve complex protocol synchronization and signaling bottlenecks under strict service level agreements. Furthermore, you will manage application requirements ensuring strict compliance with the 3+ years telecom protocol experience requirement and Delhi/Bangalore on-site presence.

Key Responsibilities

• Design, develop, test, optimize, and maintain robust telecom software applications utilizing C/C++ and Python programming languages.
• Implement and maintain 4G LTE and 5G NR Layer 3 protocol stacks, focusing on RRC protocols and control-plane signaling.
• Interpret and apply complex 3GPP telecommunications specifications across wireless network interfaces (S1AP, X2AP, NGAP, F1AP, E1AP, XnAP).
• Develop multithreaded software modules, state machines, mobility management workflows, handovers, and cell reselection logic.
• Execute rigorous software debugging, system log analysis, crash dump investigation, and troubleshooting within enterprise Linux environments.
• Perform advanced protocol trace analysis, packet inspection, and air-interface decoding utilizing Wireshark tooling.
• Collaborate seamlessly with cross-functional software engineering, wireless systems, and QA validation squads.
• Maintain accurate, comprehensive technical documentation of protocol designs, API specifications, and operational runbooks.

Required Qualifications & Skills

• Bachelor’s degree in Computer Science, Telecommunications Engineering, Electronics, Electrical Engineering, or a related technical discipline.
• Minimum of 3+ years of progressive professional experience in telecom software development, preferably in 4G LTE and 5G NR protocol stacks.
• Strong, demonstrable hands‑on professional expertise in systems programming utilizing C/C++ and Python.
• Comprehensive working knowledge and practical proficiency in LTE/5G NR Layer 3 protocols, RRC, and control-plane signaling architectures.
• Deep practical experience interpreting and implementing 3GPP telecommunications specifications.
• Solid practical experience in enterprise Linux administration, multithreading, concurrency control, and software debugging.
• Practical familiarity with telecom network interfaces including S1AP, X2AP, NGAP, F1AP, E1AP, and XnAP.
• Proficiency in protocol trace analysis, packet filtering, and troubleshooting utilizing Wireshark.
• Mandatory legal work eligibility and physical availability for full-time on-site professional operations in Delhi or Bangalore, India.

Nice-to-Have Skills

• Professional certifications such as 3GPP Protocol Expert, Certified Telecom Professional, or advanced Linux engineering credentials.
• Prior professional working experience in top-tier telecom equipment manufacturers (TEMs), mobile network operators (MNOs), or R&D wireless centers.
• Hands‑on familiarity with virtualized RAN (vRAN), Open RAN (O-RAN) architectures, and cloud-native 5G core network functions.
• Experience utilizing automated CI/CD integration pipelines, unit testing frameworks (Google Test), and Git version control.
• Exposure to agile software development methodologies and enterprise ITSM ticketing platforms (Jira, Confluence).

Application Information

• Salary/Rate: Market Competitive / Enterprise Telecom Package
• Deadline: Open until filled (Urgent Delhi/Bangalore Protocol Engineering Opening)
• Notice Period: Immediate to 30 Days Preferred
• Contract Duration: Permanent / Full-Time On-Site Engagement (Delhi/Bangalore, India)
• Company Website: https://www.velodataglobal.com