E&I Training App Development

I'm looking for a skilled app developer to create a comprehensive skill assessment and certification app for Electrical and Instrumentation training. The app should be accessible on iOS, Android, and Web platforms.

Key Features:
- Skill assessment and certification
- Custom learning plans
- Interactive simulation scenarios for both instrumentation and electrical

Ideal Skills and Experience:
- Experience in developing multi-platform applications
- Background in educational technology
- Proficient in creating interactive simulation content
- Strong UI/UX design skills

Please provide a portfolio showcasing similar projects.
I have the App already built just need finishing touches better graphics and additional tweaks.