Freelancer profile translated to English.
Back to original languageAbout Dominik
App developer since 2025 at Malt (0–2 years), 26 years of experience from crafts, science & sales. With iOS & Android development, I help bakeries, butchers, and farm shops to digitally retain loyal customers – with white-label loyalty apps that go live in weeks instead of months. No agency jargon, no experiments: pragmatic apps that work in the store.
What you get
- Loyalty App with digital stamp card & voucher logic
- Wallet Integration (Apple Wallet / Google Wallet): faster than any registration
- Optional: Click & Collect, Mobile Payment, Push Campaigns
- Brand Fit: Colors, logo, texts – your look & feel
- Measurable: Redemption rates, frequency, campaign performance
Why with me
I am a trained baker and app developer (Android/iOS). I know the counter, the store, peak hours and build UX that is understood without training. My white-label approach saves time & budget; you test quickly in an MVP, expanding only what pays off. No app for the sake of the app.
Technology that supports
- Android: Kotlin, Jetpack Compose – iOS: Swift, SwiftUI – Flutter if needed
- Backend: Supabase (Postgres, Auth, Functions), Firebase, REST APIs
- Architecture: MVVM, Repository Pattern, Clean Architecture, CI/CD & Tests
- Data privacy pragmatically considered (e.g., anonymous login)
Project types
- White-label rollout of your loyalty app
- Wallet Pass campaigns as a low-cost entry point
- MVP/Prototype for one store – scalable to all locations
- Refactor/Audit of existing apps, POS/API integration (step-by-step)
Focus on results
More repeat purchases, higher shopping carts, less wasted marketing spend. You quickly see what works – and only invest further there.
How we start
- Free feasibility check (30 min.).
- Location Mannheim/BW, remote DACH.
- Package price on request (e.g., branded white-label app as a start).
German
Native or bilingual
Remote only
Primarily works remotely
Experience
- byte & HandwerkFounder & App DeveloperSOFTWARE PUBLISHINGAugust 2025 - Today (10 months)Mannheim, GermanyAs the founder of byte & Handwerk, I develop white-label loyalty apps for iOS and Android, specifically tailored to the needs of the food craft industry. The core project isTreueBiss.An app with a digital stamp card, voucher logic, wallet integration (Apple/Google Wallet), and a Supabase backend. This allows bakeries, butchers, and farm shops to easily retain loyal customers without expensive custom developments or complicated registrations.My Approach:
- No app for the sake of the app – but pragmatic solutions that work in the store.
*MVP in weeks, not months:testable, scalable, expandable.What customers receive:- Loyalty app with digital stamp card & vouchers
- Wallet integration: faster than any registration
- Optional: Click & Collect, Mobile Payment, Push Campaigns
- Brand fit: Colors, logo, texts – your look & feel
- Measurable: Redemption rates, frequency, campaign performance
Why with me:I am a trained baker and bring 26 years of professional experience from crafts, science, and sales. I understand store processes, peak hours, and customer behavior, translating this knowledge into UX that is immediately understood. My advantage: I speak the language of craft businesses and can implement technical solutions in a way that works in everyday life.Technical Foundation:- Android: Kotlin, Jetpack Compose
- iOS: Swift, SwiftUI
- Cross-Platform: KMP (Kotlin Multiplatform)
- Backend: Supabase (Postgres, Auth, Functions), Firebase
- Architecture: MVVM, Repository Pattern, Clean Architecture, CI/CD & Tests
- Syntax InstitutIT Specialist for App Development TrainingEDUCATION AND E-LEARNINGOctober 2024 - September 2025 (11 months)Berlin, GermanyAs part of my further training as an **iOS App Developer (IHK)**, I gained practical experience in modern mobile development over more than 290 hours of instruction and applied it directly in projects. The focus was on **Swift, SwiftUI, MVVM, and Core Data**, supplemented by important topics such as API integration, data management, the repository pattern, and testing.In parallel, I implementedAndroid projects with Kotlin & Jetpack Composeto keep both platforms in view. Clean architecture was just as important as developing performant and maintainable apps.Particular emphasis was placed on **teamwork in agile environments**:
- Use ofGit/GitHubfor version control and collaborative work
- CI/CD pipelines for quality assurance and automated deployment
- Unit tests and UI tests for stable apps
- Scrum & Kanban as project methodologies
In the **final project EmigrateIn**, I was able to combine all these skills: an iOS app with a clean MVVM setup, Firebase integration, and clear UI/UX. The project was rated by instructors as particularly well-structured and sustainable – code quality, architecture, and documentation were at a professional level.This experience not only gave me a solid foundation as a developer but also showed me how importantclear structures, clean testing, and pragmatic team communicationare for successfully completing projects. - AGC Biologics GmbHTechnical Assistant – Pharmaceutical Industry (GMP Environment)BIOTECHJanuary 2005 - July 2021 (16 years and 6 months)Heidelberg, GermanyOver 16 years in the pharmaceutical industry, I gained extensive experience in quality assurance, process documentation, and team coordination. Working in a GMP-regulated environment taught me to work precisely, reliably, and systematically. I now transfer this accuracy to app projects – from clean architecture to sustainable documentation.
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Education
- IT Specialist for App DevelopmentSyntax Institut
Certifications
- iOS APP DEVELOPER (IHK)IHK Akademie München und Oberbayern gGmbH2025