Roland Wimmer

Flutter Developer Expert & Trainer.
Making AI useful for developer teams.

Enterprise Flutter

Development & Training

12+ years of enterprise mobile development. 25+ apps delivered. From legacy modernization to greenfield Flutter projects.

Flutter & Dart Enterprise Architecture Training

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grappfruit.ai

Enterprise AI

Strategy & Execution

Turn your developer teams into AI-powered multipliers. GDPR-compliant enablement for German enterprises.

AI Enablement GDPR-Compliant Team Workshops

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12+ years building enterprise mobile apps for companies like Bayer, Telekom, Vodafone, and MediaMarkt. Now combining that deep developer team experience with AI enablement — helping companies multiply their output without replacing their people.

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