Senior Software Engineer, Java, Springboot
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Overview
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.
Senior Software Engineer, Billing
Job Description:
As a Sr. Backend Engineer, you will be a key player in our team, responsible for the design, development, and maintenance of our next-generation Billing service.
Responsibilities:
- Design, construct, test, and maintain a highly scalable, event-driven billing service.
- Build and operate ingestion pipelines that consume usage events from Pub/Sub and other upstream sources.
- Implement metering, rating, aggregation, and reconciliation logic that guarantees correctness and idempotency at scale.
- Ensure systems meet business requirements, regulatory needs, and industry best practices.
- Collaborate with product managers, architects, engineering leaders, and test engineers to deliver new billing capabilities.
- Drive improvements on billing reliability, accuracy, performance, and cost efficiency.
- Troubleshoot and support the platform in production, including on-call rotations.
Qualifications:
- 5+ years of software engineering experience.
- 3+ years of Java backend development, with hands-on experience using Spring Boot.
- Degree in Computer Science, IT, or similar field; a Master's is a plus.
- Strong Computer Science fundamentals in design, data structures, algorithms, problem solving, and complexity analysis.
- Experience designing and implementing RESTful APIs and event-driven services.
- Strong understanding of event-driven architectures and asynchronous processing.
- Experience with messaging systems (Pub/Sub, Kafka, or similar) and at-least-once / exactly-once processing semantics.
- Hands-on experience with the GCP ecosystem (Pub/Sub, GCS, GKE, Cloud SQL, BigQuery, or similar).
- Experience architecting, developing, and operating internet-scale, distributed, mission-critical services.
- Prior experience in developing new features and debugging complex issues with minimal supervision.
Nice-to-have:
- Previous experience building or operating billing, metering, rating, or invoicing systems.
- Familiarity with file-based data formats such as CSV and Parquet.
- Experience with stream processing frameworks (Apache Beam/Dataflow, Flink, Spark Streaming).
- 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.
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