Kodschul — Online Learning Platform
October 2025 – Present
Full-Stack Engineer · Production Contributor
UI/UX enhancement and CMS optimization for a live German education platform serving professional IT and AI training programs.

Overview
Kodschul is an established online learning platform offering IT and AI courses to German-speaking professionals.
Joined the project as a production contributor to enhance user interface, optimize content management workflows, and improve overall platform performance.
Focused on delivering incremental improvements to a live platform serving active users while maintaining system stability.
The Problem
The established online learning platform required significant UI/UX modernization to remain competitive and attract new professionals.
The existing content management workflows in the CMS were inefficient, slowing down the administration and launch of new courses.
Performance metrics needed optimization to ensure a fast, modern user experience for global IT and AI training participants.
My Contributions
Redesigned and implemented UI components to modernize the platform's visual identity and improve user experience
Optimized Payload CMS architecture for more efficient content management and course administration
Enhanced internationalization implementation using next-intl for seamless German-English language switching
Integrated Framer Motion for smooth animations and transitions across the platform
Improved responsive design to ensure consistent experience across mobile and desktop devices
Refactored server-side rendering logic for better SEO performance and faster page loads
Implemented performance optimizations reducing initial load time and improving Core Web Vitals
Challenges
- •Working on a production system with zero-downtime requirements
- •Maintaining backward compatibility while introducing UI improvements
- •Coordinating changes with existing content structure in Payload CMS
- •Balancing feature enhancements with performance optimization
- •Ensuring changes adhered to existing German localization standards
Outcomes
- ✓Successfully deployed UI improvements to production without service interruption
- ✓Improved platform navigation and user engagement through enhanced interface design
- ✓Streamlined content management workflows for course administrators
- ✓Achieved better performance metrics with optimized rendering strategies
- ✓Maintained platform stability throughout iterative enhancement process