Senior Frontend Developer

Say hello to possibilities.

Its not everyday that you consider starting a new career challenge.

RingCentral, Inc. (NYSE: RNG) is a global leader in cloud-based communications and collaboration software. We are fundamentally changing the nature of human interaction—giving people the freedom to connect powerfully and personally from anywhere, at any time, on any device. The company provides unified voice, video meetings, team messaging, digital customer engagement, and integrated contact center solutions for enterprises globally. RingCentral's open platform integrates with leading business apps and enables customers to easily customize business workflows.

We’re a $2 billion company that’s growing at 30+% annually and we’re expanding our Engineering Team to make sure we stay ahead of the competition. RingCentral is headquartered in Belmont, California, and has offices around the world.

About RingCX:

RingCX is RingCentral’s next-generation AI-powered Contact Center solution, designed to deliver seamless, intelligent, and personalized customer experiences across digital and voice channels. Built with a modern microservices architecture and deep AI integrations, it empowers businesses to automate, analyze, and act in real-time. Join us in shaping the future of customer engagement — where speed, empathy, and intelligence converge. Be part of a team that’s redefining how the world connects.

We’re currently looking for: Senior UI Developer

Responsibilities

• Feature Ownership: Managing UI features from start to finish, including working with designers (e.g., Figma) and stakeholders, implementation, testing, and deployment.
• Build & Maintain UI: Developing responsive, reusable UI components and building modern web applications.
• Code Quality & Mentoring: Writing clean, maintainable code, performing code reviews for peers, and mentoring junior developers to drive technical excellence.
• API Integration: Connecting the UI with backend services via RESTful APIs (and potentially GraphQL/WebSockets) to ensure smooth data flow.
• Performance Tuning: Optimizing the UI for speed, scalability, and fixing performance issues using browser development tools.
• Collaboration: Effectively communicating and collaborating on design and technology with product, UX, and backend engineering teams.
• Effectively communicate and articulate the design and technology to the management and engineering teams.

Qualifications:

• Proven Experience: 10+ years of experience in front-end/UI development is required.
• Core Languages: Expert, hands-on knowledge and very good grasp of HTML, CSS, and vanilla JavaScript.
• JavaScript Ecosystem: Must have deep familiarity with JavaScript libraries and front-end tooling (e.g., Webpack, Rollup, Babel, ESLint).
• Design & Styling: Proficiency in SCSS (or other preprocessors) for maintainable styling, and an understanding of responsive web design and current UI/UX principles.
• API Communication: Experience integrating with RESTful APIs.
• DevOps & Tools: Experience with version control systems like Git.

Nice to have:

• JavaScript Frameworks (Hands-On): Familiarity and hands-on working experience with major JavaScript frameworks/libraries like React (including its ecosystem like Redux, Hooks, or MobX), and/or Angular.
• Backend Knowledge: Previous working experience with or a strong understanding of server-side languages like Ruby, Rails, and Java (particularly due to RingCentral's use of Java in its backend stack).
• Advanced UI: Experience with TypeScript for building scalable architecture, and state management libraries (Redux, MobX, Zustand, Immer).
• Enterprise Experience: Experience with SaaS, distributed, highly available, and event-driven systems.