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Senior Software Engineer – Backend Role Purpose As a Senior Software Engineer on the Cortex Management Team, you will design, develop, and maintain backend software solutions supporting Five9’s AI initiatives. This role focuses on building scalable, reliable, and high‑performance backend systems that power end‑to‑end platform capabilities.
You will be responsible for backend architecture, service design, implementation, testing, and documentation. Working closely with product owners and key stakeholders, you will translate requirements into robust backend services and APIs. The role also involves deep technical exploration of emerging technologies and partnering with product teams to bring innovative ideas into production.
In addition, this position plays a key role in mentoring other engineers and driving backend engineering best practices across Five9.
How You Contribute
Required Skills And Qualifications
Desirable Qualifications
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.
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