Software Engineer- CUBE - Bangalore

We are looking for an experienced Software Engineer to join our team and contribute to the CUBE platform's core development. The engineer will work on critical aspects like SIP protocol implementation, media handling, and security features, ensuring high performance and reliability. This role is an excellent opportunity to work with a leading technology company and make a significant impact on enterprise communications.At Zensar, we're "experience-led everything". We are committed to conceptualizing, designing, engineering, marketing, and managing digital solutions and experiences for over 130 leading enterprises. We are a company driven by a bold purpose: Together, we shape experiences for better futures. Whether for our clients, our people, or the world around us, this belief powers everything we do. At the heart of our culture is ONE with Client - a set of four core values that reflect who we are and how we work: One Zensar, Nurturing, Empowering, and Client Focus.

Part of the $4.8 billion RPG Group, we're a community of 10,000+ innovators across 30+ global locations, including Milpitas, Seattle, Princeton, Cape Town, London, Zurich, Singapore, and Mexico City. Explore Life at Zensar and join us to Grow. Own. Achieve. Learn. to be the best version of yourself.

We believe the best work happens when individuality is celebrated, growth is encouraged, and well-being is prioritized. We are an equal employment opportunity (EEO) and affirmative action employer, committed to creating an inclusive workplace. All qualified applicants will be considered without regard to race, creed, color, ancestry, religion, sex, national origin, citizenship, age, sexual orientation, gender identity, disability, marital status, family medical leave status, or protected veteran status.

• Bachelor's or Master's degree in Computer Science or related field.
• 5+ years of software development experience in C/C++.
• Strong proficiency in C programming with hands-on experience.
• Familiarity with TCP/IP networking, network protocols, and socket programming.
• Knowledge of VoIP protocols (SIP, H.323, RTP/RTCP) is highly desirable.
• Experience with Linux/Unix environments, system-level programming, and multi-threaded applications.
• Solid foundation in data structures, algorithms, and problem-solving.
• Familiarity with JSON, XML, and HTTP communications.
• Understanding of network protocols and real-time communication systems.
• Experience with web frameworks and web interface testing tools.

• Design, develop, and maintain C-based software components for CUBE, ensuring high performance and scalability.
• Implement SIP signaling, call routing, and protocol interworking for VoIP standards.
• Optimize RTP/RTCP media handling, transcoding, and QoS features.
• Enhance security mechanisms, including encryption, authentication, and DoS protection.
• Profile and optimize code for minimal latency and jitter in high-call-volume environments.
• Diagnose and resolve complex software issues using debugging tools and log analysis.
• Collaborate with product management to design and implement new features.
• Write clean, well-documented code following Cisco's standards.
• Develop comprehensive unit and integration tests, and participate in system-level testing.