Senior C/C++ Software Engineer - 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 an energetic and experienced Software Engineer who is passionate about creating high-performing, scalable, and resilient mission critical voice services that are the foundation of Five9’s contact center platform. The engineer's responsibilities include software development, integration, enhancing customer experiences, staying updated on technology, collaborating with the team, ensuring software quality, documentation, and problem-solving. Ultimately, the role contributes to delivering exceptional customer experiences.

Key Responsibilities:

• Be part of an agile team developing a scalable, highly available VOIP platform using modern PaaS platforms such as GCP.
• Participate and contribute to requirements analysis and feature grooming.
• Understand how to leverage PaaS components, such as message buses, cloud functions (lambdas), and noSQL databases when developing software in order to achieve scalability, reliability, and operability.
• End-to-end feature development from UI implementation all the way through the middleware and backend platform.
• Document and communicate clearly architecture and implementation solutions.
• Have ownership of your code in production, including on-call, troubleshooting.

Key Skills:

• 5+ years of industry experience in software development, configuring and troubleshooting VOIP systems.
• Hands on experience in writing code in C, C++.
• Experience in coding in Java and scripts is a plus.
• Thorough understanding of VOIP protocols like SIP, RTP, RTCP, WebRTC.
• Good understanding of networking including firewall, ALG and VPN.
• Experience in troubleshooting tools, audio media analysis and good debugging skills needed.
• Prior experience in building telephony systems using asterisk, freeswitch and kamailio is a huge plus.
• Experience with any public cloud platform is a plus.
• Experience working on complex problems and systems.
• Experience working within an Agile/Scrum team.
• Positive, self-motivated and enthusiastic attitude with a strong-sense of ownership.
• Strong communication skills, both verbal and written.

Benefits:

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

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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.

Our headquarters are located in the San Francisco Bay Area with global hubs in the United Kingdom, Germany, Philippines, Portugal, and Australia.

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.