Bespoke Payroll System: Cutting 5-Day Processing to 1-Day
I developed a custom, full-cycle payroll and DTR management software for a local security agency with over 700 employees, replacing manual spreadsheets and reducing processing time by 80%.
Incrementally Migrating and Modernizing a Legacy HR Platform
I planned, designed, and spearheaded the incremental migration of a more than 4+ years old HR platform to a modern stack (Next.js, TypeScript, Tailwind, AWS Serverless), resulting in a better UX, faster load times, and a more than 50% reduction in operational costs.
Developing Core Revenue and Engagement Modules for a High-Scale HR Platform
I developed core modules for a US HR platform with over 70,000+ users—including events, live program certifications, and integrated Stripe payments—directly contributing to a measurable increase in user subscriptions and platform revenue.
Building a High-Performance Luxury Car Rental Website
As part of a development team for a luxury car rental company in Germany, I helped design and implement a CMS-driven, statically generated website optimized for speed, SEO, and responsive design.