I will build custom javascript web applications and interactive tools


About this gig
I build highly interactive, custom JavaScript applications and web tools from scratch. If you need a functional browser solution rather than just a static page, I engineer it cleanly.
My Services:
- Custom JS logic engines, timing loops & state tracking
- Interactive calculators, estimators & operational dashboards
- Native Browser API integrations (Audio, Data Storage, Canvas)
- Lightweight, plugin-free CSS Grid & Flexbox layouts
Skip slow site templates. Get high-performance, custom-coded web apps designed for your unique business needs. Lets collaborate!
Respect third-party rights
Please be aware that it is against Fiverr's policies for sellers to include themes, templates, or any other elements that infringe third-party rights or applicable laws in the delivered work. Read more about in our Guide to Responsible Digital Creation.
Get to know Noorbir Singh
Frontend Engineer And ECommerce Operations Specialist
- FromIndia
- Member sinceApr 2024
Languages
English
My Portfolio
FAQ
Do you use clunky frameworks or builders like WordPress or React?
No. I build everything using lightweight, raw Vanilla JavaScript, native HTML5, and modern CSS Grid/Flexbox. This ensures your custom tool runs at lightning-fast speeds with zero external plugins or security vulnerabilities.
What do I need to provide to start the order?
Please provide a clear description of the core logic, calculator features, or operational rules you want your tool to process. If you have design sketches, wireframes, or specific brand colors, share those too!
Will the custom JavaScript application be mobile responsive?
Absolutely. Every interface I build is natively engineered to scale fluidly, ensuring clean layouts and perfect interactive performance across mobile phones, tablets, and wide desktop screens.

