Modernes Webdesign & Frontend-Optimierung (HTML, CSS, JavaScript)

I am looking for a talented freelancer to improve my existing web interface for BioTopControl visually and functionally. The system is based on HTML, CSS and JavaScript and is used to control an ESP32-based IoT system. The aim is to create a user-friendly, modern and high-performance interface that combines intuitive operation with an appealing design.

Your tasks:
? Revise UI/UX design: Create a modern, appealing and responsive design
? CSS optimization: Clean and efficient styles for a professional look
? JavaScript improvements: Optimize interactive functions for smooth operation
? Performance tuning: Improve loading times and response speed
? Increase usability: Ensure simple and intuitive control for users

What you should bring with you:
✅ Experience with modern front-end technologies (HTML, CSS, JavaScript)
✅ Knowledge of responsive design & UX/UI principles
✅ Confident handling of CSS frameworks (e.g. Tailwind, Bootstrap or own design system)
✅ Understanding of dynamic UI components & JavaScript functionalities
✅ Ideally experience with IoT or control systems

Bonus: knowledge of WebSockets, REST API

If you have creative ideas, a flair for design and functionality and would like to work on an innovative project, then I look forward to receiving your application! ?

? Send me your portfolio, your references and a short introduction of yourself.