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. We are developing a next-generation solution focused on Salesforce integrations, including OpenCTI and Service Cloud Voice. The role involves building and maintaining Java-based backend microservices using gRPC and REST, along with JavaScript for Salesforce integrations. If you enjoy working on real-world integration challenges, writing clean and reliable code, and delivering high-quality user experiences, this role is for you.