Senior Software Engineer ( C++ / VoIP/CCaaS) - [Contractor]-India

💻 Senior C++ Software Engineer - VoIP/CCaaS/UCaaS

Key Responsibilities

• Design and Development: Lead the design, implementation, and maintenance of scalable, high-availability, and low-latency software components for voice and video communication using C++.
• Real-Time Media Processing: Develop and optimize modules for real-time media handling, including audio/video processing, transcoding, mixing, and Quality of Service (QoS) mechanisms.
• Protocol Implementation: Implement and maintain core telecommunication protocols, including SIP, RTP, WebRTC, and SDP.
• Platform Integration: Collaborate with cross-functional teams (Networking, Cloud Operations, QA) to integrate new features and services into our multi-tenant, cloud-native (AWS, Azure, or GCP) CCaaS/UCaaS platform.
• Performance Optimization: Conduct thorough analysis and optimization of the codebase for maximum efficiency, stability, and resource utilization in a Linux environment.
• Troubleshooting: Own the debugging and resolution of complex, real-time issues related to call control, signaling, media path, and network performance.
• Testing and Review: Write unit and integration tests, perform code reviews, and ensure adherence to best practices in the Software Development Life Cycle (SDLC) and Agile methodologies.

Required Qualifications

• Education: Bachelor's or Master's degree in Computer Science, Software Engineering, or a related technical field.
• Experience: X+ years of professional software development experience, with a significant focus on C++ (C++11/14/17/20).
• C++ Expertise: Deep knowledge of Object-Oriented Programming (OOP), modern C++ features, memory management, multi-threading, and concurrent programming.
• VoIP/Telecom Domain: Strong working knowledge of Voice over IP (VoIP) principles and a solid understanding of real-time communication protocols such as SIP and RTP/RTCP.
• Operating Systems: Proficiency in software development on Linux systems.
• Networking: Excellent understanding of networking fundamentals (TCP/IP, UDP) and network troubleshooting tools (Wireshark, SIP trace tools).

Preferred Skills (Good to Have)

• CCaaS/UCaaS Exposure: Experience working on Contact Center (ACD, IVR, Workforce Management) or Unified Communications (Messaging, Presence, Video Conferencing) solutions.
• Cloud Technologies: Familiarity with cloud platforms (AWS, GCP, or Azure) and containerization technologies (Docker, Kubernetes).
• Database Experience: Experience with relational (e.g., PostgreSQL, MySQL) or NoSQL databases.
• AI/ML Knowledge: Exposure to or fundamental knowledge of Artificial Intelligence and Machine Learning concepts. This may include:
• Experience with libraries or frameworks for data processing or model deployment (e.g., TensorFlow Lite, ONNX Runtime).
• Understanding of how AI/ML is applied in communications (e.g., Speech-to-Text, Sentiment Analysis, Agent Assist features).
• Scripting: Proficiency in scripting languages such as Python or Shell for automation and tooling.