About the 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 Software Engineer II who is passionate about creating high-performing, scalable, and resilient mission-critical services that form the foundation of Five9’s next-generation contact center platform. You will have the opportunity to combine your existing expertise with new learnings, crafting bespoke solutions that serve our customers and partners.

Responsibilities:

Participate in an Agile Scrum team that practices DevOps.
Write clean, well-documented code and corresponding 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, including experience in C and/or C++.
Hands-on experience developing software for real-time communications signaling and media protocols (e.g., SIP, RTP).
Ability to methodically troubleshoot complex systems.
Excellent communication and organizational skills, 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
Site Reliability Engineering (SRE) principles
AI/ML and Large Language Models (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.

Skills & Tags

node go aws gcp azure ai devops data

Aplyr's read

Five9 excels in cloud contact center solutions, attracting tech-savvy professionals keen on enhancing customer communication through innovative software.
Synthesized from recent postings & public sources

What's promising

•Five9's cloud-based platform is crucial for businesses seeking flexible and scalable customer service solutions.
•The company is investing heavily in AI and automation, indicating a forward-thinking approach.
•Recent hires suggest robust growth and a diverse range of career opportunities across global locations.

What to watch

•Competition in the cloud contact center market is intense, with major players like Amazon and Microsoft.
•Rapid technological changes require constant adaptation, potentially straining resources.
•Limited public information about employee satisfaction and company culture could concern potential applicants.

Why Five9

•Five9 specializes in cloud contact center software, setting it apart from broader cloud service providers.
•The focus on AI-driven customer experience solutions highlights its commitment to innovation.
•A diverse range of roles in engineering and management reflects a comprehensive approach to talent acquisition.

Aplyr’s read is generated by AI from public sources. Was it useful?

About Five9

Five9

five9.com

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Five9 is a leading provider of cloud contact center software, enabling businesses to deliver exceptional customer service and support through a variety of communication channels.