Enhancement for Web Application

Greetings from KickLoad!

We need someone to enhance KickLoad web application.

I am looking for a web developer with a strong focus on programming, user interface design and enhancement. The areas of focus will be the logical programming towards navigation menu/forms/inputs and file.

Key Responsibilities:
- As an end result, I want a programming layer between UI and our internal scripts. you will have to do file handling and give me an enhanced version of application where I can write or edit any script by pressing buttons on UI. so i want you to give a UI to dynamically code a logic to our scripts. This is to improve lives of software performance testers. They should be able write/ edit a performance test script and our load generators should accept the script to run a performance testing program and give analytics.
- Improve the dropdown menus of the navigation
- Enhance the search functionality of the navigation
- Refine the user interaction with forms and inputs
- Existing codebase is in angular js, spring and hibernate
- You need to understand existing code directly without any document or help.

Ideal Skills:
- Proficiency in UI/UX design principles
- Experience with web application development
- Familiarity with file handling, enhancing navigation menus and forms

Please provide examples of previous similar work where you have successfully improved a web application's user interface.