
Empowering extraordinary customer experiences through cloud solutions
Five9 is a leading provider of cloud contact center solutions, headquartered in San Ramon, California. With over 2,000 customers, including major brands like Zappos and ADT, Five9 offers a comprehensive CCaaS platform that integrates AI-driven analytics to enhance customer interactions. The company ...
Five9 offers competitive salaries, stock options, generous PTO policies, and a flexible remote work policy to support work-life balance. Employees als...
Five9 fosters a culture focused on innovation and customer success, encouraging employees to leverage data and insights to drive impactful solutions. ...

Five9 • India, Bengaluru
Five9 is hiring a Senior Software Engineer to develop a scalable global voice platform. You'll work with Java, JavaScript, and Spring to integrate the Five9 dialer into multiple CRM systems. This role requires 5+ years of experience in backend and frontend development.
You have over 5 years of industry experience in backend development, particularly with Java, and have a strong understanding of performance and scalability principles. Your expertise extends to frontend development with JavaScript and TypeScript, and you are comfortable working with frameworks such as React. You have a deep knowledge of Spring and have hands-on experience designing and implementing scalable microservices that provide REST APIs. You are adept at troubleshooting and debugging software, and you embrace DevOps practices in your work.
You thrive in an agile team environment and enjoy collaborating with Product Managers, Architects, and Engineering leaders to deliver high-quality software solutions. You understand the importance of writing unit and functional tests and are committed to documenting your work clearly. Your ability to communicate effectively with team members and stakeholders is one of your key strengths, and you are passionate about fostering an inclusive and diverse workplace.
Experience with cloud contact center software or CRM integrations would be a plus. Familiarity with additional web development technologies, including HTML and CSS, is also beneficial. You are open to learning new technologies and methodologies that can enhance your contributions to the team.
As a Senior Software Engineer at Five9, you will be part of a dedicated team focused on integrating the Five9 dialer into various CRM systems. You will develop a scalable and highly available global voice platform, ensuring that it meets the needs of customers worldwide. Your role will involve collaborating closely with cross-functional teams to understand requirements and translate them into technical solutions.
You will be responsible for designing, developing, and implementing software code using Java and JavaScript, while also leveraging frameworks like Spring and React. Your expertise in backend and frontend technologies will be crucial as you work on creating seamless integrations and enhancing the overall customer experience.
In addition to development tasks, you will troubleshoot and support the current platform in production, applying your DevOps mindset to ensure high availability and performance. You will write unit and functional tests to validate your code and contribute to the overall quality of the software. Your ability to document your work and communicate effectively with team members will help foster a collaborative environment.
At Five9, we celebrate diversity and foster an inclusive environment where all employees can thrive. You will have the opportunity to work with a team that values collaboration and innovation, contributing to a culture that empowers individuals to be their authentic selves. We offer competitive compensation and benefits, along with opportunities for professional growth and development. Join us in bringing joy to customer experience and be part of a company that is transforming the way businesses engage with their customers.
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