Senior Software Engineer
Five9Chennai, Tamil Nadu, India
Posted January 30, 2026
Full Time
About the Company
Five9 is a leading provider of cloud contact center software, bringing the power of cloud innovation to customers worldwide. We celebrate diversity and foster an inclusive environment, empowering our employees to be their authentic selves.
Job Description
Join Five9 as a Senior Software Engineer to develop a scalable, highly available global voice platform using JavaScript, Java, Spring, and related technologies. Collaborate with Product Managers, Architects, Engineering leaders, and Test Engineers to troubleshoot and support current platform in production.
Requirements
- 5+ years of industry experience in backend development (Java)
- 5+ years of industry experience in frontend development (JavaScript, TypeScript, React)
- Deep knowledge and experience with frameworks such as Spring
- Hands on Experience in designing and implementing scalable, high performing Microservices providing REST APIs
- Strong expertise in web development technologies, including HTML, CSS, and modern front-end frameworks.
- Experience working with cloud platforms such as GCP or AWS.
- Expertise server-side technologies and databases (SQL or NoSQL).
- Experience working on complex problems spanning multiple products and systems
- Experience working within an Agile/Scrum team
- Strong communication skills, both verbal and written
- Hands-on experience with Kubernetes for container orchestration
- Knowledge of real-time communications (SIP, RTP, etc.) is a plus.
- Experience with Backbone, Handlebars.
- Experience with automated testing frameworks (Nightwatch)