Senior C++ Developer - Telecom & Contact Center Solutions

Senior C++ Developer Telecom & Contact Center Solutions - Sunnyvale, CA/Austin, TX (3x/ week onsite) Job Summary Overall Experience 10+ Required We are looking for a highly skilled Senior C++ Developer with 7+ years of hands-on experience in building, enhancing, and supporting telecom and contact center solutions. The ideal candidate should have strong expertise in C++ development, solid understanding of telecommunication protocols, and experience working with contact center platforms in high availability, real-time environments. Key Responsibilities Design, develop, and maintain high-performance C++ applications for telecom and contact center systems Work on real-time, multithreaded, and distributed systems with high reliability and low latency requirements Develop and integrate solutions involving call control, media handling, and session management Implement and support features related to IVR, ACD, CTI, call routing, recording, and analytics Integrate telecom applications with SIP-based networks, PSTN, VoIP, and third-party systems Debug complex production issues, perform root cause analysis, and provide permanent fixes Collaborate with system architects, QA, DevOps, and cross-functional teams Ensure adherence to coding standards, performance benchmarks, and security guidelines Participate in design reviews, code reviews, and technical discussions Mentor junior developers and contribute to technical best practices Required Technical Skills Core Skills Strong proficiency in C++ (C++11/14/17) Solid experience with Linux/Unix environments Expertise in multithreading, memory management, IPC, and socket programming Strong debugging skills using tools like gdb, valgrind, core dump analysis Telecom & Contact Center Domain Hands-on experience in Telecom and Contact Center domains Strong understanding of telecom protocols: SIP, RTP/RTCP, SDP SS7, ISDN, PRI (good to have) Experience with VoIP architectures and call flows Knowledge of Contact Center solutions such as: IVR, ACD, CTI Call routing, call recording, workforce management Experience integrating with CRM systems and external APIs Platforms & Tools (Any of the below is a plus) Experience with platforms such as Genesys, Avaya, Cisco, NICE, Amazon Connect, or similar Familiarity with REST APIs, JSON, XML Build tools: Make, CMake, GCC Version control: Git / SVN Exposure to Docker, Kubernetes, CI/CD pipelines is a plus Soft Skills Strong analytical and problem-solving abilities Good communication skills and ability to work with global teams Experience working in Agile/Scrum environments Ability to handle production-critical systems and on-call support Email: Diverse Lynx LLC is an Equal Employment Opportunity employer. All qualified applicants will receive due consideration for employment without any discrimination. All applicants will be evaluated solely on the basis of their ability, competence and their proven capability to perform the functions outlined in the corresponding role. We promote and support a diverse workforce across all levels in the company.