Senior C++ Software Engineer - Global Voice

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.

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. Additionally, for candidates interested in leadership, this role offers an optional, supported pathway to transition into a future engineering management position.

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
• (Optional) For those pursuing the management track: Mentor team members, lead technical initiatives, and progressively take on team leadership responsibilities

Required Skills:

• 5+ years 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 organization skills, and a 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

Preferred / Nice-to-Have Skills:

• For the optional management track: Prior experience with technical leadership, a strategic mindset, and a strong desire to grow into an engineering manager role

Benefits:

• Five9 Shares
• Bonus Scheme
• 10% Flexi Benefit
• Meal Allowance
• Medical Insurance
• Life Insurance
• 25 day Annual Leave + Public Holidays

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.

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