$11,000.00 Fixed
We are looking for an experienced jQuery Developer to enhance, optimize, and maintain interactive UI features for our web application. This role requires strong expertise in jQuery, DOM manipulation, AJAX functionality, event handling, dynamic content rendering, and integrating UI components that work smoothly across all modern browsers.
The ideal candidate will have experience converting static UI designs into dynamic, interactive experiences using jQuery and JavaScript. Your main responsibilities include building responsive widgets, enhancing HTML elements with jQuery plugins, implementing AJAX-based content loading, and improving UI performance. You should also be able to debug complex DOM issues, ensure cross-browser compatibility, and optimize event listeners to avoid performance bottlenecks.
You will work closely with designers and backend developers to integrate API responses, enhance user interactions, animate UI elements, and ensure consistent behavior across the platform. Familiarity with jQuery UI, DataTables, Slick sliders, modals, form validations, and custom component creation is essential.
Your work will directly impact the usability and responsiveness of the platform. Attention to detail is crucial, especially when working with nested components, conditional rendering, callbacks, and chaining methods. You should be comfortable using DevTools for performance profiling and debugging.
Ideal candidates understand how to combine jQuery with HTML5, CSS3, AJAX requests, API parsing, and lightweight animations for a polished user experience. If you thrive on solving UI challenges, improving usability, and making interfaces feel alive, this project is an excellent match.
✅ Responsibilities (15 points)
Enhance UI components using jQuery + JavaScript
Implement AJAX calls for dynamic content updates
Build interactive widgets, sliders, tables, forms, and UI effects
Handle DOM manipulation and event-driven behavior
Integrate APIs using fetch/$.ajax methods
Implement form validation and input sanitization
Debug cross-browser UI issues
Optimize jQuery code to avoid performance bottlenecks
Manage animations, transitions, and fade effects
Work with jQuery plugins (DataTables, Select2, Slick)
Ensure responsive and mobile-friendly interactions
Collaborate with backend devs for dynamic content rendering
Write clean, documented, maintainable code
Conduct testing using DevTools and console debugging
Follow consistent UI standards and best UX practices
✅ Required Skills (15 points)
Strong expertise in jQuery 3.x
JavaScript ES6 fundamentals
AJAX and async handling
DOM manipulation & event handling
jQuery plugins + custom plugin creation
HTML5 & CSS3
JSON parsing & API consumption
Debugging with Chrome DevTools
Experience with DataTables, Select2, Slick sliders
Form validation (jQuery Validate)
Understanding of callback/promise-based workflows
Cross-browser compatibility handling
Basic understanding of PHP/Node for integration (optional)
Git & version control
Clean code structure & readability
✅ Tools & Technologies
jQuery 3.6.x
JavaScript ES6
AJAX / $.ajax / fetch
HTML5 / CSS3
Plugins: DataTables, Select2, Slick, jQuery UI
Git & GitHub
Chrome DevTools
Postman (optional API testing)
✅ Deliverables
Fully enhanced jQuery-based UI components
AJAX-integrated pages & forms
Interactive elements (sliders, tabs, modals, validation)
Clean, optimized jQuery scripts
Debugged + cross-browser-tested UI
Performance-optimized interactions
Technical documentation
1–2 revision cycles
✅ Budget
Hourly: $25–60/hr
Project: $2,000 – $10,000
Monthly (optional): $2,500 – $6,000
✅ Timeline
Total Duration: 4–8 weeks
Week 1: UI review + architecture setup
Week 2–4: UI interactions + AJAX build
Week 5–6: Testing + debugging
Week 7–8: Optimization + final delivery
✅ Success Metrics
No jQuery console errors
Smooth, responsive UI interactions
AJAX response <150ms
100% cross-browser compatibility
Lighthouse UI performance ≥ 85
Zero broken plugins or events
Clean code structure with documentation
- Proposal: 0
- Less than 2 month
