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.

Software Engineer II, Billing

Job Description:

As a Backend Engineer, you will be a key contributor to our team, responsible for the development and maintenance of our next-generation Billing service.

Responsibilities:

Develop, test, and maintain components of our event-driven billing service.
Implement and maintain ingestion pipelines that consume usage events from Pub/Sub and other upstream sources.
Contribute to metering, rating, aggregation, and reconciliation logic with a focus on correctness and idempotency.
Collaborate with senior engineers, product managers, and test engineers to deliver new billing capabilities.
Write automated tests and contribute to continuous improvement of code quality and reliability.
Troubleshoot and support the platform in production, including participation in on-call rotations.

Qualifications:

3+ years of software engineering experience.
1+ years of Java backend development, with exposure to Spring Boot.
Degree in Computer Science, IT, or similar field; a Master's is a plus.
Solid Computer Science fundamentals in design, data structures, algorithms, and problem solving.
Experience implementing RESTful APIs and writing automated tests.
Understanding of event-driven systems and asynchronous processing.
Experience working in a SDLC and collaborating in an agile team.

Nice-to-have:

Familiarity with messaging systems (Pub/Sub, Kafka, or similar).
Familiarity with the GCP ecosystem (Pub/Sub, GCS, GKE, Cloud SQL, BigQuery).
Familiarity with file-based data formats such as CSV and Parquet.
Exposure to billing, metering, rating, or invoicing systems.
Previous experience in the Contact Center or Telco industry.

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.