Junior UI/UX Web Developer

San Francisco, CA, us on site Until 8/21/2026 First posted October 14, 2025 Last posted February 23, 2026
Job description

Hello,

Greetings from Jobsbridge!

Jobsbridge, Inc. is a fast growing Silicon Valley based I.T staffing and professional services company specializing in Web, Cloud & Mobility staffing solutions.

Be it core Java, full-stack Java, Web/UI designers, Big Data or Cloud or Mobility developers/architects, we have them all. 


Responsibilities: 

· Design and discuss feature storyboards and wireframes 
· Develop new user-facing features 
· Build reusable code and libraries for future use 
· Ensure the technical feasibility of UI/UX designs 
· Optimize application for maximum speed and scalability 
· Assure that all user input is validated before submitting to back-end 
· Collaborate with other team members and stakeholders 

Qualifications: 

· Bachelor’s degree 
·3 years of UI coding experience with various languages including HTML5, CSS3, Bootstrap 
· Proficient understanding of client-side scripting and JavaScript frameworks, including jQuery 
· Experience using javascript MVVM framework(s) such as AngularJS, KnockoutJS, BackboneJS, ReactJS, DurandalJS etc. 
· Good understanding of asynchronous request handling, partial page updates, and AJAX 
· Experience with prototyping tools for wireframing 
· Experience with image authoring tools with the ability to crop, resize or perform small adjustments on an image. Familiarity with tools such as Gimp or Photoshop is a plus. 
· Understand cross-browser compatibility issues and ability to resolve 
· Proficient understanding of code versioning tools 
· Good understanding of ASP.NET MVC is a plus

HTML5, UX, UI, Bootstrap, CSS3, KnockoutJS, BackboneJS, DurandalJS, MVVM,

Only OPT

About this role

Summary

Design and develop user interfaces, wireframes, and optimize web applications for speed and scalability.

Job title

Junior UI/UX Web Developer

Experience level

3 years

Industry

software

Location requirements

San Francisco, CA, US; remote not specified

Salary

Not specified

Management role

No

Skills & keywords

Required skills

HTML5CSS3BootstrapJavaScriptjQueryAngularJSKnockoutJSBackboneJSAJAXprototypingPhotoshopGimpcross-browser compatibilityversion control

Preferred skills

ASP.NET MVC

Specializations

UIUXHTML5CSS3JavaScript
Locations

Structured locations inferred from the posting.

San Francisco, CA, USA

On-site City