C/C++ 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 looking for an experienced C/C++ Developer with strong expertise in telecom and contact center technologies. The ideal candidate will have hands-on experience in building high-performance, scalable systems involving VoIP, SIP protocols, and call routing systems. This role requires deep understanding of system-level programming, multithreading, and performance optimization on Linux environments.

• Role: C/C++ Developer
• Location: Pune
• Experience: 7+ years
• Job Type: Full-Time Employment
  
  

What You'll Do

• Design, develop, and maintain high-performance applications using C and C++
• Implement and optimize multithreaded and memory-efficient solutions
• Work on system-level programming in Linux/Unix environments
• Develop and maintain components using socket programming, IPC mechanisms
• Build and enhance telecom applications involving SIP, RTP, VoIP, call control, and routing
• Contribute to contact center solutions such as IVR, CTI integrations, and messaging/notifications
• Troubleshoot complex issues and perform debugging using gdb, valgrind
• Analyze and improve system performance, scalability, and reliability
• Work with build systems like Make and CMake for code compilation and deployment
• Collaborate in an Agile development environment with cross-functional teams
• Maintain code versioning using Git
• Integrate backend systems with SQL databases (MySQL/PostgreSQL)
  
  

Expertise You'll Bring

• Strong programming expertise in C and C++
• Experience with STL, multithreading, and memory management
• Proficiency in debugging and performance tuning
• Hands-on experience in Linux/Unix environments
• Expertise in socket programming and IPC (Inter-Process Communication)
• Good understanding of SIP, RTP, VoIP protocols
• Experience with call control, routing, and telecom systems
• Exposure to IVR systems, CTI integrations
• Experience with SMS/Notification systems
• Knowledge of UI components like Draggable Icons is an added advantage
  
  

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.”

C C++,Telecom