Senior Software Engineer at five9

This role is designed for a seasoned Full-Stack Developer with at least 5 years of experience who is comfortable navigating both Java backend microservices and modern React/TypeScript frontends. It is ideal for an engineer who enjoys the "full lifecycle"—from designing scalable REST APIs to troubleshooting production systems within an Agile DevOps environment. Situated in Bengaluru, this on-site position offers the chance to work on a global voice platform that integrates with major CRM systems. You’ll collaborate closely with architects and product managers to solve complex problems across cloud platforms like AWS or GCP. A standout aspect is the technical breadth, as you'll bridge the gap between frontend user experiences and high-availability backend infrastructure. **You might be a good fit if you...** * Have a 50/50 comfort level with both Java (Spring) and modern JavaScript (React). * Have practical experience building and deploying scalable microservices in cloud environments. * Are comfortable with "On Call" responsibilities and own the reliability of the code you write. * Have an interest or background in Kubernetes and real-time communication technologies like SIP or RTP.