Software Developer

About Persistent

We are an AI-led, platform-driven Digital Engineering and Enterprise Modernization partner, combining deep technical expertise and industry experience to help our clients anticipate what?s next. Our offerings and proven solutions create a unique competitive advantage for our clients by giving them the power to see beyond and rise above. We work with many industry-leading organizations across the world, including 20 Fortune 50 companies and 4 of the 5 top banks in both the US and India, and numerous innovators across the healthcare ecosystem.

Our disruptor?s mindset, commitment to client success, and agility to thrive in the dynamic environment have enabled us to sustain our growth momentum. Persistent has been recognized across top industry platforms for innovation, leadership, and inclusion. We reported $1,654.4M FY26 revenue with 17.4% Y-o-Y growth. We have delivered 24 sequential quarters of growth with $436.0M in Q4 FY26 revenue, up 3.2% Q-o-Q and 16.2% Y-o-Y growth. Our 27,500+ global team members, located in 18 countries, have been instrumental in helping the market leaders transform their industries. We have been recognized as the Fastest Growing IT Services Brand Globally in the 2026 Brand Finance IT Services 25 Report. We named a Leader in the Everest Group Private Equity (PE) Services PEAK Matrix? Assessment 2026 and Software Product Engineering PEAK Matrix? Assessment 2026.

About Position:

We are seeking a highly skilled C++ Developer with strong expertise in LTE/EPC core network technologies, MME development, and telecom protocol implementation. The ideal candidate will be responsible for developing, enhancing, and maintaining core network functionalities, with a focus on telecom messaging infrastructure, NAS protocols, Diameter signaling, and LTE network components.

• Role: Software Developer (C++ Developer (LTE/MME)
• Location: Gurugram, Bengaluru
• Experience: 5 to 8 Years
• Job Type: Full Time Employment

What You'll Do:

• Implement protocol enhancements within the Mobility Management Entity (MME).
• Design, develop, and maintain telecom software modules using C/C++.
• Develop NAS message parsing, encoding, and decoding functionalities.
• Build and maintain SGd Diameter message handling features.
• Implement and support Mobile Originated (MO) and Mobile Terminated (MT) messaging workflows.
• Develop simulators, utilities, and testing tools to validate telecom protocol implementations.
• Analyze protocol traces and troubleshoot interoperability issues across network elements.
• Debug complex telecom network issues and provide effective solutions.
• Collaborate with system architects, product teams, and network engineers to enhance telecom products.
• Contribute to performance optimization and scalability improvements of telecom applications.
• Participate in code reviews, design discussions, and technical solution reviews.
• Create and maintain technical documentation related to software design and implementation.
• Support product releases and ensure compliance with telecom standards and requirements.
• Work closely with QA and validation teams to ensure software quality and reliability.

Expertise You'll Bring:

• 5-8 years of hands-on experience in C/C++ software development.
• Strong expertise in LTE/EPC core network technologies and telecom protocol development.
• Experience working with MME (Mobility Management Entity) components and related network functions.
• Solid understanding of NAS, Diameter, LTE signaling, and telecom messaging protocols.
• Strong networking fundamentals including TCP/IP, UDP, routing, and communication protocols.
• Experience in protocol stack implementation, enhancement, and maintenance.
• Ability to analyze network traces, protocol logs, and troubleshoot interoperability issues.
• Experience with Linux-based software development environments.
• Strong debugging, troubleshooting, and performance optimization skills.
• Knowledge of message delivery workflows across telecom network infrastructures.
• Understanding of mobile network architecture and EPC components.
• Experience working in Agile software development environments.
• Familiarity with version control tools such as Git.
• Strong analytical and problem-solving abilities.
• Excellent communication and collaboration skills.
• Ability to work effectively with cross-functional engineering and product teams.

Benefits:

• Competitive salary and benefits package
• Culture focused on talent development with quarterly growth opportunities and company-sponsored higher education and certifications
• Opportunity to work with cutting-edge technologies
• Employee engagement initiatives such as project parties, flexible work hours, and Long Service awards
• Annual health check-ups
• Insurance coverage: group term life, personal accident, and Mediclaim hospitalization for self, spouse, two children, and parents

Values-Driven, People-Centric & Inclusive Work Environment:

Persistent is dedicated to fostering diversity and inclusion in the workplace. We invite applications from all qualified individuals, including those with disabilities, and regardless of gender or gender preference. We welcome diverse candidates from all backgrounds.

• We support hybrid work and flexible hours to fit diverse lifestyles.
• Our office is accessibility-friendly, with ergonomic setups and assistive technologies to support employees with physical disabilities.
• If you are a person with disabilities and have specific requirements, please inform us during the application process or at any time during your employment

Let?s unleash your full potential at Persistent -persistent.com/careers

?Persistent is an Equal Opportunity Employer and prohibits discrimination and harassment of any kind.?