FrontEnd Engineer | Onsite | Sunnyvale, California

Photon•United States,

3d•$65,000 - $165,000•Onsite

About The Position

We are hiring Front-End Engineers to build fast, accessible, and consistent user experiences. The role works closely with designers and back-end teams to deliver polished interfaces supported by a shared design system. The position is onsite in Sunnyvale, California. The engineer builds responsive web interfaces, integrates applications with back-end services, implements real-time features, and optimizes performance. The role also involves creating reusable design-system components, ensuring accessibility and cross-browser compatibility, and collaborating with QA and other teams.

Requirements

5+ years of front-end development experience.
Strong HTML5, CSS3, and JavaScript/TypeScript skills.
Production experience with React and working knowledge of Angular.
Experience with API integration, CORS, and WebSockets.
Practical knowledge of web performance and Core Web Vitals.
Experience working within a design system or component library.

Nice To Haves

Experience with Node.js and modern build tooling.
Knowledge of accessibility standards (WCAG).
Experience with front-end testing frameworks.

Responsibilities

Build and maintain responsive web interfaces using HTML, CSS, and React; Angular experience is also valued.
Integrate front-end applications with back-end services and REST APIs, handling CORS and authentication flows correctly.
Implement real-time features using WebSockets.
Optimize performance and meet Core Web Vitals targets (LCP, INP, CLS).
Contribute to and consume the company design system by building reusable, well-documented components.
Use Node.js tooling for builds, bundling, and lightweight services.
Ensure accessibility, cross-browser compatibility, and responsive behavior.
Participate in code reviews and collaborate with QA on testability.