Software Engineer II | Voice

Five9 is a leading provider of cloud software for the enterprise contact center market, bringing the power of the cloud to thousands of customers and facilitating more than three billion customer interactions annually. Since 2001, Five9 has led the cloud revolution in contact centers, helping organizations transition from legacy premise-based solutions to the cloud. Five9 provides businesses with cloud contact center software that is reliable, secure, compliant and scalable, designed to create exceptional customer experiences, increase agent productivity, and deliver tangible business results.

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 are the foundation of Five9’s next‑generation contact center platform. You will have the opportunity to combine your existing expertise with new learnings to craft innovative solutions that serve our customers and partners.

• →Participate as a member of an Agile Scrum team practicing DevOps.
• →Write clean and well-documented code and tests
• →Deliver your code as part of an overall solution running in the public cloud

4+ years of hands‑on experience developing microservices using Java/Kotlin with the Spring Boot framework.

Experience working with public cloud technologies (AWS or GCP).

Strong experience building and deploying cloud applications.

Ability to methodically troubleshoot complex systems.

Excellent communication, collaboration, and organizational skills.

Strong sense of ownership and accountability.

Ability and willingness to participate in on‑call rotations.

Experience developing REST APIs, and building unit, functional, and integration tests using JUnit.

Experience using Gradle and deploying applications on public cloud environments using CI/CD pipelines.

Familiarity with JavaScript/TypeScript is a strong plus.