Freiberufler / Selbstständiger
Remote-Arbeit
Verfügbar ab: 17.12.2025
Verfügbar zu: 75%
davon vor Ort: 0%
Flutter
Mobile App Development
Dart
iOS
Android
Firebase
REST APIs
State Management
App Store Deployment
Google Play Store
Git
Drift (SQLite)
Projekte
Freelance Software Developer / Owner
- Development of modern mobile applications with Flutter (iOS & Android)
- Technical responsibility and further development of client projects
- App Store releases (TestFlight, Google Play Console)
- Web design and website projects at the beginning of self-employment
- Building internal sales and marketing processes
- Development of initial digital products and internal tools
gladly upon request
Co-Founder / Full-Stack Developer
- Full-stack development with Vue.js (frontend)
- Backend development with Express.js and REST APIs
- Partial use of Laravel
- Technical implementation of digital prototypes and web/app projects
- Setup of development and project structures
- Joint management and operational planning
gladly upon request
- Implementation of smaller web and software projects
- Development of own tools and technical prototypes
- Deepening of modern web and mobile technologies
- (parallel studies, degree not completed)
Full-Stack Developer
CSGO EcoSim ? Economy Simulation Tool (Vue.js SPA + Express Backend)
- Development of a single page application using Vue.js
- UI and styling with CSS and SASS
- Backend implementation with Node.js / Express
- Authentication via JWT, later migrated to Firebase Auth
- Data persistence: MongoDB, later migrated to Firestore
- Implementation of the complete simulat
- Development of a desktop UI using Electron (JavaScript)
- Integration of the UI into an existing console app
- Development of the iOS app using Objective-C
- Implementation of audio recording and server communication
- Collaboration with server and Android developers
- Integration of automatically generated sheet music
Mobile App Developer
- Development of two mobile applications (Java ME, Qt) including publication in the Nokia Store
- Delivery of multi-day developer trainings (Java basics, OOP, Eclipse setup)
- Guidance on usage and testing of hardware sensors (GPS, gyro sensor)
Aus- und Weiterbildung
Media Informatics (Vordiplom), Undergraduate studies completed
Ulm University
Position
Freelance Flutter Developer
Kompetenzen
Top-Skills
Flutter
Mobile App Development
Dart
iOS
Android
Firebase
REST APIs
State Management
App Store Deployment
Google Play Store
Git
Drift (SQLite)
Produkte / Standards / Erfahrungen / Methoden
PROFILE:- Freelance Flutter Developer with a focus on building production-ready mobile applications for iOS and Android
- Experienced in mobile app architecture, offline-first concepts, API integration, and App Store / Google Play releases
- Used to taking technical responsibility for projects and working independently in structured environments
Technologies:
- Flutter
- Dart
- Drift / SQLite
- REST
- JSON
- OAuth
- Node.js
- Express.js
- Vue.js
- HTML
- CSS
- SASS
- JavaScript
- Responsive Web Design
Mobile Engineering:
- App Architecture
- Offline-First Concepts
- App Store & Google Play Deployment
Tools:
- Git
- GitHub
- Firebase (Auth, Firestore ? basic knowledge)
- RevenueCat
- TestFlight
- Google Play Console
Working Style:
- Clean Code
- Structured implementation
- Independent work
- Transparent communication
Professional background:
Role: Flutter Mobile Developer
Tasks:
NeuroStim Coach ? Flutter App Redesign & Rebuild
- Redesign and rebuild of an existing GoodBarber app using Flutter
- UI/UX redevelopment and structured content architecture
- AI-assisted scaffolding based on legacy screenshots
- GDPR / tracking setup including consent framework
- Preparation for TestFlight and Google Play releases
- Landing page implementation (WordPress / Avada)
Role: Flutter Mobile Developer & E-Commerce Developer
Tasks:
FREDI ? NFC Companion App & WooCommerce Platform
- NFC reading and writing with encoding and normalization
- Offline-first architecture (Drift / SQLite)
- Subscription system via RevenueCat
- Complete WooCommerce setup (variants, bundles, checkout)
- Performance optimization (caching, assets)
Role: Sole Developer
Tasks:
ArrowLog ? Archery Scoring & Training App
- Offline-first architecture (Drift / SQLite)
- Custom UI for indoor scoring and round structures
- Local storage of sessions and statistics
- Prototypes for data visualizations
- Planned extensions: analytics, CSV export, scorecard printing, premium features
Projekte
Freelance Software Developer / Owner
- Development of modern mobile applications with Flutter (iOS & Android)
- Technical responsibility and further development of client projects
- App Store releases (TestFlight, Google Play Console)
- Web design and website projects at the beginning of self-employment
- Building internal sales and marketing processes
- Development of initial digital products and internal tools
gladly upon request
Co-Founder / Full-Stack Developer
- Full-stack development with Vue.js (frontend)
- Backend development with Express.js and REST APIs
- Partial use of Laravel
- Technical implementation of digital prototypes and web/app projects
- Setup of development and project structures
- Joint management and operational planning
gladly upon request
- Implementation of smaller web and software projects
- Development of own tools and technical prototypes
- Deepening of modern web and mobile technologies
- (parallel studies, degree not completed)
Full-Stack Developer
CSGO EcoSim ? Economy Simulation Tool (Vue.js SPA + Express Backend)
- Development of a single page application using Vue.js
- UI and styling with CSS and SASS
- Backend implementation with Node.js / Express
- Authentication via JWT, later migrated to Firebase Auth
- Data persistence: MongoDB, later migrated to Firestore
- Implementation of the complete simulat
- Development of a desktop UI using Electron (JavaScript)
- Integration of the UI into an existing console app
- Development of the iOS app using Objective-C
- Implementation of audio recording and server communication
- Collaboration with server and Android developers
- Integration of automatically generated sheet music
Mobile App Developer
- Development of two mobile applications (Java ME, Qt) including publication in the Nokia Store
- Delivery of multi-day developer trainings (Java basics, OOP, Eclipse setup)
- Guidance on usage and testing of hardware sensors (GPS, gyro sensor)
Aus- und Weiterbildung
Media Informatics (Vordiplom), Undergraduate studies completed
Ulm University
Position
Freelance Flutter Developer
Kompetenzen
Top-Skills
Flutter
Mobile App Development
Dart
iOS
Android
Firebase
REST APIs
State Management
App Store Deployment
Google Play Store
Git
Drift (SQLite)
Produkte / Standards / Erfahrungen / Methoden
PROFILE:- Freelance Flutter Developer with a focus on building production-ready mobile applications for iOS and Android
- Experienced in mobile app architecture, offline-first concepts, API integration, and App Store / Google Play releases
- Used to taking technical responsibility for projects and working independently in structured environments
Technologies:
- Flutter
- Dart
- Drift / SQLite
- REST
- JSON
- OAuth
- Node.js
- Express.js
- Vue.js
- HTML
- CSS
- SASS
- JavaScript
- Responsive Web Design
Mobile Engineering:
- App Architecture
- Offline-First Concepts
- App Store & Google Play Deployment
Tools:
- Git
- GitHub
- Firebase (Auth, Firestore ? basic knowledge)
- RevenueCat
- TestFlight
- Google Play Console
Working Style:
- Clean Code
- Structured implementation
- Independent work
- Transparent communication
Professional background:
Role: Flutter Mobile Developer
Tasks:
NeuroStim Coach ? Flutter App Redesign & Rebuild
- Redesign and rebuild of an existing GoodBarber app using Flutter
- UI/UX redevelopment and structured content architecture
- AI-assisted scaffolding based on legacy screenshots
- GDPR / tracking setup including consent framework
- Preparation for TestFlight and Google Play releases
- Landing page implementation (WordPress / Avada)
Role: Flutter Mobile Developer & E-Commerce Developer
Tasks:
FREDI ? NFC Companion App & WooCommerce Platform
- NFC reading and writing with encoding and normalization
- Offline-first architecture (Drift / SQLite)
- Subscription system via RevenueCat
- Complete WooCommerce setup (variants, bundles, checkout)
- Performance optimization (caching, assets)
Role: Sole Developer
Tasks:
ArrowLog ? Archery Scoring & Training App
- Offline-first architecture (Drift / SQLite)
- Custom UI for indoor scoring and round structures
- Local storage of sessions and statistics
- Prototypes for data visualizations
- Planned extensions: analytics, CSV export, scorecard printing, premium features
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