Portrait of Ernst Schrempf, founder of Red Onion Studios

Ernst Schrempf

Founder Β· Full-Stack Developer Β· IT Strategist

I am the founder and driving force behind Red Onion Studios. With technical depth and strategic thinking, I build digital solutions that last.

β€œIT is not a department. It is a tool, a passion and a solution.”

My focus today

I support companies strategically and technically – from the first idea to scalable production systems.

What defines my work

  • Deep technical understanding and system thinking
  • Many years of experience as IT manager in an industrial enterprise
  • Clear architecture and sustainable implementation
  • Honest communication and practical solutions

Experience & responsibility

  • Global logistics and process systems
  • Development of web, desktop and backend systems
  • Enterprise infrastructure and API design
  • Technical leadership and budget responsibility

Technology & stack

A broad skill set focused on stable, scalable and maintainable systems.

Backend & software

Python, Django, .NET Core, C#, C++, Rust, API design, microservices

Frontend & web

HTML, SCSS, JavaScript, WordPress, Elementor, performance optimization

Mobile development

Flutter, Swift, Kotlin, .NET MAUI

DevOps & infrastructure

Docker, Podman, CI/CD, Jenkins, server architecture, Linux

Data & integration

Data integration, automation, reporting, system interfaces

Security & compliance

IT security, GDPR, access control, secure system architecture