Senior C++ Software Engineer - Global Voice | India

five9· Voice & Infrastructure - Product Engineering
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📍 India, Bengaluru

About this role

Join us in bringing joy to customer experience.  Five9 is a leading provider of cloud contact center software, bringing the power of cloud innovation to customers worldwide.   

Living our values everyday results in our team-first culture and enables us to innovate, grow, and thrive while enjoying the journey together. We celebrate diversity and foster an inclusive environment, empowering our employees to be their authentic selves. 

Join us in bringing joy to customer experience. Five9 is a leading provider of cloud contact center software, bringing the power of cloud innovation to customers worldwide.

Living our values every day results in our team-first culture and enables us to innovate, grow, and thrive while enjoying the journey together. We celebrate diversity and foster an inclusive environment, empowering our employees to be their authentic selves.

Our global voice team is looking for a committed, experienced Senior Software Engineer who is passionate about creating high-performing, scalable, and resilient mission-critical services that are the foundation of Five9’s next-generation contact center platform. You will have the opportunity to combine what you already know with new learnings, crafting a bespoke solution that serves our customers and partners.


Key Responsibilities

  • Participate in an Agile scrum team which practices DevOps.
  • Write clean and well-documented code and tests.
  • Deliver your code as part of an overall solution running in the public cloud.
  • Develop and enhance our Media Server to support real-time integrations with Large Language Models (LLMs) and other AI services.

Required Skills

  • 5+ years of professional experience in software development, with some being written in C and/or C++.
  • Hands-on experience writing software for real-time communications signaling and media protocols (SIP, RTP, etc.).
  • Ability to methodically troubleshoot complex systems.
  • Excellent communication and organizational skills, along with a strong sense of ownership.

Technical Skills

  • Modern C++ (C++17+)
  • RTP/SIP, audio codecs, SIP/SDP
  • ASR/TTS integration
  • AI APIs
  • Cloud platforms (AWS/Azure/GCP)
  • CI/CD
  • Containers
  • SRE principles
  • AI/ML, LLMs

Five9 embraces diversity and is committed to building a team that represents a variety of backgrounds, perspectives, and skills.  The more inclusive we are, the better we are.  Five9 is an equal opportunity employer. 


View our privacy policy, including our privacy notice to California residents here: https://www.five9.com/pt-pt/legal.  

Note: Five9 will never request that an applicant send money as a prerequisite for commencing employment with Five9.

Frequently Asked Questions

Is the salary disclosed for the Senior C++ Software Engineer - Global Voice | India position at five9?
The salary for this Senior C++ Software Engineer - Global Voice | India role at five9 is not publicly listed. Click "Apply Now" to learn more about the compensation package on their official careers page.
Where is the Senior C++ Software Engineer - Global Voice | India position at five9 located?
This Senior C++ Software Engineer - Global Voice | India role at five9 is based in India, Bengaluru. The position is listed as on-site or hybrid. Check the full job description or apply directly to confirm the work arrangement.
Which team or department does the Senior C++ Software Engineer - Global Voice | India at five9 belong to?
This Senior C++ Software Engineer - Global Voice | India position is part of the Voice & Infrastructure - Product Engineering department at five9. See the full job description for more information about the team structure and responsibilities.
How do I apply for the Senior C++ Software Engineer - Global Voice | India position at five9?
Click the "Apply Now" button on this page. You will be redirected to five9's official application portal hosted on greenhouse where you can submit your application directly.
When was the Senior C++ Software Engineer - Global Voice | India job at five9 posted?
This Senior C++ Software Engineer - Global Voice | India position at five9 was posted on Mar 31, 2026. Apply as soon as possible — early applications are often reviewed first.
Senior C++ Software Engineer - Global Voice | India
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