Senior C++ Software Engineer (VoIP/CCaaS/UCaaS)

Actively Reviewing the Applications

Uplers

India, Tamil Nadu, Madurai Full-Time

Posted 2 hours ago • Apply by April 19, 2026

Job Description

Experience: 8.00 + years

Salary: Confidential (based on experience)

Expected Notice Period: 7 Days

Shift: (GMT+05:30) Asia/Kolkata (IST)

Opportunity Type: Remote

Placement Type: Full Time Indefinite Contract(40 hrs a week/160 hrs a month)

(*Note: This is a requirement for one of Uplers' client - A leading US-based digital consultancy with a track record of excellence)

What do you need for this opportunity?

Must have skills required:

AI/ML, CCaaS/UCaaS, Scripting, Networking, SIP, VOIP, C++, Database, OOPs, Service Cloud

A leading US-based digital consultancy with a track record of excellence is Looking for:

We are seeking a highly skilled and motivated C++ Software Engineer (8+years ) to join our team in developing and enhancing our next-generation Contact Center as a Service (CCaaS) and Unified Communications as a Service (UCaaS) solutions. This role focuses on the core, high-performance, and real-time communication components that power our cloud-based VoIP platforms.

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.

How to apply for this opportunity?

Step 1: Click On Apply! And Register or Login on our portal.
Step 2: Complete the Screening Form & Upload updated Resume
Step 3: Increase your chances to get shortlisted & meet the client for the Interview!

About Uplers:

Our goal is to make hiring reliable, simple, and fast. Our role will be to help all our talents find and apply for relevant contractual onsite opportunities and progress in their career. We will support any grievances or challenges you may face during the engagement.

(Note: There are many more opportunities apart from this on the portal. Depending on the assessments you clear, you can apply for them as well).

So, if you are ready for a new challenge, a great work environment, and an opportunity to take your career to the next level, don't hesitate to apply today. We are waiting for you!