C++ Developer

Job Title: C++ Developer – Telecom Domain
Location: Sunnyvale, CA/Austin, TX
Job type: Contract

Visa: H1B (PP Number is mandatory)

Role Descriptions: 
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