Software Engineer II - C++, SIP

Five9; Bengaluru; On-site; INR 1,200,000 - 1,800,000; Full time

Job summary

Five9 is seeking a committed, experienced Software Engineer II for our global voice team in Bengaluru who will build high-performing, scalable services forming the foundation of our next-generation contact center platform. You will collaborate in an Agile DevOps environment and contribute to cloud-based solutions that power AI-enabled communications.

Join a team that values diversity, ownership, and innovation as you develop, test, and deploy code alongside AI/ML integrations and modern cloud

Qualifications

• 3+ years of professional software development experience.
• Experience in real-time communications signaling and media protocols (SIP, RTP).
• Ability to troubleshoot complex systems and own delivered work.

Responsibilities

• Participate in an Agile scrum team practicing DevOps.
• Write clean, well-documented code and tests.
• Deliver code as part of an overall cloud-based solution.
• Develop and enhance Media Server for real-time AI/LLM integrations.

Skills

C/C++

Real-time signaling

SIP/RTP

Ownership

Debugging

Tools

AWS

Azure

GCP

Job description

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 Software Engineer II 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

• 3+ 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.