Hey, I'm Marcel

Software Architect. Founder. Product Builder.

I design and build digital products end-to-end — from concept to scalable production systems.

Mobile applications. Cloud-native backends. Automation pipelines. Clean architecture.

Marcel R. G. Berger - App and Software Developer
Marcerl R. G. Berger App Design

Design.

From idea to structured product concept and scalable architecture — defining clear scope, clean UX and deliberate technical decisions.

Marcel R. G. Berger Coding, build Apps

Build.

Development of mobile apps, backend systems and cloud infrastructure engineered for robustness, security and long-term maintainability.

Marcel R. G. Berger - Operate Apps

Operate.

Deployment, monitoring and continuous optimization of production systems to ensure stability, performance and predictable operating costs.

Every undocumented detail is a financial risk.
Protect your work with structured, verifiable documentation.

DokuAI

iOS

Choose wine with confidence — every time.
Personalized recommendations based on your taste, context and preferences.

Sommelio

iOS release 03/2026

Your documents. Your control.
Deadlines, warranties and tax records — organized, tracked and securely stored in your iCloud..

PaperlessIQ

iOS release 08/2026

Never wonder what to mix again.
Photograph your ingredients — get cocktails that actually match what you have.

Pourenzo

coming soon

Marcel R. G. Berger - Design, Build and Operate Apps

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Real-world product development and scalable backend systems — combining rigorous software engineering with pragmatic AI integration. Delivered monthly.

©2026 All rights reserved. Marcel R. G. Berger