FrontEnd Engineer | Onsite | Sunnyvale, California

Posted Yesterday
Hiring Remotely in United States
Remote
65K-165K Annually
Senior level
Agency • Information Technology
The Role
Build and maintain responsive, accessible web interfaces using React, HTML, CSS, and JavaScript/TypeScript. Integrate applications with REST APIs and back-end services, implement WebSocket features, optimize Core Web Vitals, and develop reusable design-system components. The role also involves Node.js tooling, cross-browser compatibility, code reviews, QA collaboration, and front-end testing.
Summary Generated by Built In

Role Overview 

We are hiring Front-End Engineers to build fast, accessible, and consistent user experiences. You will work closely with designers and back-end teams to deliver polished interfaces backed by a shared design system. 

Key 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, 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. 

Required Qualifications 

  • 5+ years of front-end development experience. 
  • Strong HTML5, CSS3, and JavaScript/TypeScript skills. 
  • Production experience with React; 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. 

Preferred Qualifications 

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

Compensation, Benefits and Duration

Minimum Compensation: USD 65,000
Maximum Compensation: USD 165,000
Compensation is based on actual experience and qualifications of the candidate. The above is a reasonable and a good faith estimate for the role.
Medical, vision, and dental benefits, 401k retirement plan, variable pay/incentives, paid time off, and paid holidays are available for full time employees.
This position is available for independent contractors
No applications will be considered if received more than 120 days after the date of this post.
 

Skills Required

  • 5+ years of front-end development experience
  • Strong HTML5, CSS3, and JavaScript/TypeScript skills
  • Production experience with React
  • 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
  • Experience with Node.js and modern build tooling
  • Knowledge of accessibility standards such as WCAG
  • Experience with front-end testing frameworks
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The Company
HQ: London
5,017 Employees
Year Founded: 2007

What We Do

Photon.com has emerged as one of the world’s largest and fastest-growing Digital Agencies. We work with 40% of the Fortune 100 on their Digital initiatives and are known for our ability to integrate Strategy Consulting, Creative Design, and Technology at scale. Please visit www.photon.com to learn more about us, how we work, and our customer case studies. Digital Transformation Starts Here.

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