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.
The Voice Client team at Five9 is seeking a passionate and experienced Software Engineer II to help build and enhance the voice solutions that power our industry-leading contact center platform. This person will play a key role in developing high-quality, reliable, and high-performing voice applications across desktop (Mac and Windows) and web platforms using technologies such as SIP, WebRTC, ICE, and Web Sockets. This role requires strong technical expertise, problem-solving ability, and close collaboration with cross-functional teams to deliver exceptional audio quality and customer experiences. You’ll also have the opportunity to engage directly with customers, leveraging feedback to continuously improve and evolve our voice solutions for greater business impact.
Key Responsibilities:
- Be part of an agile team to develop a scalable, highly available global voice platform.
- Understand performance and scalability principles and apply when developing software.
- Collaborate with Product Managers, Architects, Engineering leaders and test engineers.
- Mentor and train junior team members.
Key Requirements:
- 5+ years of industry experience in software development and troubleshooting VOIP systems.
- Great understanding on WebRTC in browser and/or SIP signalling.
- Proficient and expert in JavaScript. Additionally have a minimum of two years of practical experience in the second language between C++ and Java.
- Experience in troubleshooting tools, audio media analysis and good debugging skills.
- 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.
- Bachelor’s degree (or equivalent /above) in relevant discipline.
Preferrable Skills:
- Good understanding of VOIP protocols like SIP, RTP, RTCP and other network protocols.
- Experience in telecom or IoT field.
- Experience with Contact Centre, IVR, Virtual Agents and telecommunications service providers is advantageous.
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.
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.
The Voice Client team at Five9 is seeking a passionate and experienced Software Engineer II to help build and enhance the voice solutions that power our industry-leading contact center platform. This person will play a key role in developing high-quality, reliable, and high-performing voice applications across desktop (Mac and Windows) and web platforms using technologies such as SIP, WebRTC, ICE, and Web Sockets. This role requires strong technical expertise, problem-solving ability, and close collaboration with cross-functional teams to deliver exceptional audio quality and customer experiences. You’ll also have the opportunity to engage directly with customers, leveraging feedback to continuously improve and evolve our voice solutions for greater business impact.
Key Responsibilities:
- Be part of an agile team to develop a scalable, highly available global voice platform.
- Understand performance and scalability principles and apply when developing software.
- Collaborate with Product Managers, Architects, Engineering leaders and test engineers.
- Mentor and train junior team members.
Key Requirements:
- 5+ years of industry experience in software development and troubleshooting VOIP systems.
- Great understanding on WebRTC in browser and/or SIP signalling.
- Proficient and expert in JavaScript. Additionally have a minimum of two years of practical experience in the second language between C++ and Java.
- Experience in troubleshooting tools, audio media analysis and good debugging skills.
- 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.
- Bachelor’s degree (or equivalent /above) in relevant discipline.
Preferrable Skills:
- Good understanding of VOIP protocols like SIP, RTP, RTCP and other network protocols.
- Experience in telecom or IoT field.
- Experience with Contact Centre, IVR, Virtual Agents and telecommunications service providers is advantageous.
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.
About Five9
Five9 is an industry-leading provider of cloud contact center solutions, bringing the power of cloud innovation to more than 2,000 customers worldwide and facilitating billions of customer engagements annually.
The Five9 Intelligent Cloud Contact Center provides digital engagement, analytics, workflow automation, workforce optimization, and practical AI to help customers reimagine their customer experience.
Designed to be reliable, secure, compliant, and scalable, the Five9 platform helps increase agent and supervisor productivity, connects the contact center to the business, and ultimately deliver tangible business results including increased revenue and enhanced customer trust and loyalty.
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