User Interface Engineer

Sonoma, California

Robert Half
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Now Hiring: UI Engineer - Onsite in San Francisco

6-month contract, potential to extend or convert Full-time, W2 only No C2C Pay starts at $92 per hour


We've partnered with a fast-moving software company powering critical systems across highly regulated industries. They're scaling their front-end team to support a next-generation UI framework and are hiring 2 to 3 UI Engineers. If you're passionate about browser-based architecture, deep into DOM events, and can think in scalable UI systems rather than just pages, this is the kind of project that will challenge and excite you.


Project Scope

  • Build a metadata-driven, modular UI framework
  • Develop advanced components that support drag-and-drop, offline functionality, and real-time DOM manipulation
  • Design scalable front-end architecture that integrates tools like TinyMCE, PDF.js, and Video.js
  • Lay the groundwork for AI-enhanced workflows and dynamic decision-making tools

Top Skills Needed

  • Expert-level TypeScript and JavaScript (not framework-dependent)
  • Deep experience with DOM event handling including drag-and-drop functionality
  • Strong HTML and CSS skills with a focus on responsive design and scalable UI development
  • Bonus: Experience with XML-based UI systems or offline storage like localStorage or indexedDB

Location

  • Fully onsite, 5 days a week in San Francisco
  • Candidates must be local or willing to relocate

Other Details

  • W2 only
  • No C2C or third-party vendors
  • Must be authorized to work in the U.S. without sponsorship

Date Posted: 13 June 2025
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