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David S

@passcha

Web App Fixes, Responsive UI and Python Automation

Germany
German, English
About me
I help turn frustrating web and data tasks into clear, working results. I fix focused website and web app issues, improve mobile layouts, and build practical Python scripts for repeatable CSV and Excel workflows. I start by understanding the problem, keep changes within the agreed scope, and check the result before delivery. I also built VALKR, my own mobile fitness web app. Send me the issue and expected outcome, and I will suggest the right scope.... Read more

Skills

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David S
Offline • 
Average response time: 1 hour

See my services

Troubleshooting & Improvements
I will fix your ai built website or vibe coded web app
From$15 / projectMore details
Bug Fixes
I will fix responsive layout and frontend bugs on your website
From$15 / projectMore details

Portfolio

Work experience

Self-Employed_/ Freelancer

Independent Web App Developer

Self-Employed / Freelancer • Self-employed

Aug 2026 - Present • 3 mos

Built and continuously improved VALKR, my own mobile-first fitness web app project. My work includes frontend development, responsive/mobile UI, debugging, interactive dashboards, training and nutrition flows, progress tracking, data visualization, PWA behavior, performance optimization, and iterative product/UI improvements.