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Five9

Senior Full Stack Software Engineer

Job Posted 19 Days Ago Posted 19 Days Ago
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In-Office
Chennai, Tamil Nadu
Senior level
In-Office
Chennai, Tamil Nadu
Senior level
The Senior Full Stack Software Engineer will design and develop both frontend and backend components, collaborate with cross-functional teams, and optimize applications, with a focus on cloud-native solutions.
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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. 

The Team:

We’re seeking talented Full Stack Developer to become part of our diverse, forward- thinking team. You’ll work in a dynamic, global environment where innovation, collaboration, and cutting-edge technology drive real business impact. In this role, you’ll help deliver Five9 global voice features. From initial concept through to delivery, you’ll be involved in every step of the software development lifecycle - translating requirements into technical designs, writing clean and efficient code, and integrating with complex systems.

You’ll join our team that thrives on continuous learning, embraces new technologies, and values smart engineering. Whether deploying cloud-native solutions or integrating secure, scalable APIs, your work will directly shape how organizations operate in the digital age.

If you’re passionate about full-stack development, excited by the opportunity to work on mpactful solutions, and eager to collaborate with like-minded engineers around the world, we’d love to meet you.
*  This position is based out of one of the offices of our affiliate Acqueon Technologies in India, and will adopt the hybrid work arrangements of that location. You will be a member of the Acqueon team with responsibilities supporting Five9 products, collaborating with global teammates based primarily in the United States.

What you’ll be doing:
  • Designing and developing both frontend and backend components using modern
    frameworks

  • Collaborating with cross-functional teams to deliver robust, maintainable solutions

  • Building responsive, user-focused interfaces based on wireframes (e.g., Figma)

  • Writing clean, scalable code and implementing state management using tools like
    Redux

  • Integrating systems and services using RESTful APIs and secure authentication
    methods (e.g., JWT)

  • Participating in agile development processes, including sprint planning and code
    reviews

  • Testing, debugging, and optimizing applications across environments

Required Skills & Experience / Qualifications:
  • Degree in Computer Science, Technical Science, or similar

  • Experience in software development projects across front-end and back-end

  • 5 yrs Hands-on experience in:
    ◦ Java, JavaScript, Python, TypeScript
    ◦ React, Redux (State Management), JSX
    ◦ Spring Boot, Spring MVC, Angular, Vue.js

  • Proficient in using:
    ◦ Git (GitLab), Jira, Confluence, SVN, Jenkins
    ◦ CSS, Wireframing tools (e.g., Figma)

  • Understanding of data structures and clean code principles

  • Experience in building and consuming RESTful APIs

  • Familiarity with modern authentication mechanisms such as JWT

  • Experience with unit, integration, system, and regression testing

  • Experience with cloud platforms: Azure, AWS, or GCP

  • Strong interest in continuous learning and growing technical skills

  • Excellent collaboration, problem-solving, and communication skills

  • Fluent in English, both written and spoken

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. Our headquarters are located in the beautiful Bishop Ranch Business Park in  San Ramon, CA.


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.

Top Skills

Angular
AWS
Azure
Confluence
CSS
GCP
Git
Java
JavaScript
Jenkins
JIRA
Python
React
Redux
Spring Boot
Spring Mvc
Svn
Typescript
Vue

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