Mobile Developer (Android & Cross-Platform)
Based in Pangandaran, West Java, Indonesia 🇮🇩

I'm a dedicated Mobile Developer with proven expertise in delivering high-quality Android and cross-platform applications. Graduated from STMIK DCI, I bring both technical excellence and business understanding to every project.

What I Bring to Your Project:

• ✅ Professional experience in mobile development with proven track record
• ✅ Professional-grade Android apps (Kotlin/Java) with modern architecture
• ✅ Cross-platform expertise in Flutter for iOS & Android deployment
• ✅ Clean, maintainable code following industry best practices
• ✅ Reliable delivery with clear communication throughout development
• ✅ Post-launch support and maintenance for seamless operations

Current Focus:

• 🔭 Developing Enterprise & Freelance Mobile Applications
• 🛠️ Specializing in Native Android (Kotlin/Java) and Flutter
• 💡 Crafting Intuitive UI/UX with performance optimization
• 🚀 Building Scalable, Production-ready mobile solutions
• 📫 Available for projects at khoirul.20998@gmail.com

I offer comprehensive mobile development services tailored to your business needs:

• Native Android apps using Kotlin and Java
• Modern architecture (MVVM, Clean Architecture)
• Material Design 3 implementation
• Integration with REST APIs, Firebase, and third-party SDKs
• Performance optimization and testing

• Cross-platform apps for iOS and Android
• Single codebase, dual deployment
• Beautiful, responsive UI with custom widgets
• State management (Provider, Bloc, Riverpod)
• Native feature integration

• Converting designs (Figma, Adobe XD) to pixel-perfect apps
• Smooth animations and transitions
• Responsive layouts for all screen sizes
• Accessibility compliance

• Bug fixes and performance improvements
• Feature additions and updates
• Play Store/App Store deployment
• Long-term maintenance contracts available

Core Expertise:

• Languages: Kotlin, Java, Dart, JavaScript, PHP
• Frameworks: Flutter, React Native, Android SDK
• Architecture: MVVM, MVI, Clean Architecture, Repository Pattern
• Backend: Firebase, RESTful APIs, MySQL, Room Database
• Tools: Android Studio, VS Code, Git, Docker, Postman
• Testing: JUnit, Espresso, Mockito, Flutter Test
• CI/CD: GitHub Actions, GitLab CI, Fastlane

Technical Expertise:

• 💻 Mobile Development: Android (Kotlin, Java) and Flutter (Dart)
• 🏗️ Architecture: MVVM, Clean Architecture, Repository Pattern
• 🔧 Complex Integrations: Payment gateways, real-time features, geo-location
• 📱 Full Lifecycle: Design → Development → Testing → Deployment → Maintenance

Experience Scope:

• 🌍 Geographic Reach: Indonesia, ASEAN, International clients
• 💼 Industries: E-commerce, Education, Healthcare, Finance, Startups
• 🎯 App Types: Enterprise solutions, B2C applications, Cross-platform apps
• ⚙️ Development Approach: Agile methodology, Clean code, Best practices

I follow a structured, transparent development workflow to ensure quality results:

1. 📋 Discovery & Planning

   • Requirements gathering and analysis
   • Technical feasibility assessment
   • Timeline and milestone planning

2. 🎨 Design & Prototyping

   • UI/UX design review and feedback
   • Prototype development for key features
   • Design system creation

3. 💻 Development

   • Agile/Scrum methodology
   • Regular progress updates (daily/weekly)
   • Code reviews and quality checks
   • Version control with Git

4. 🧪 Testing & QA

   • Unit and integration testing
   • Manual QA on multiple devices
   • Performance and security testing
   • Bug fixing and refinement

5. 🚀 Deployment & Launch

   • Play Store/App Store submission
   • Production deployment assistance
   • Launch monitoring

6. 📞 Support & Maintenance

   • Post-launch support
   • Performance monitoring
   • Feature updates and enhancements

Professional Approach:

• 🎯 Clear Communication: Regular updates and transparent progress tracking
• 📊 Quality Focus: Clean, well-documented code following best practices
• ⏰ Reliable Delivery: Realistic timelines with milestone-based approach
• 🤝 Collaborative: Open to feedback and iterative improvements
• 🔒 Confidentiality: NDA-ready and respectful of proprietary information
• 📈 Long-term Thinking: Building scalable solutions for future growth

Client-Centric Values:

• Understanding business goals, not just technical requirements
• Proactive problem-solving and suggesting improvements
• Post-launch support and maintenance availability
• Knowledge transfer and documentation

I'm always interested in taking on new challenges and helping businesses succeed with mobile technology.

💼 Available for:

• ✅ Full-time remote positions
• ✅ Freelance projects (short & long-term)
• ✅ Contract work
• ✅ Technical consulting

📧 Get in Touch:

• Email: khoirul.20998@gmail.com
• GitHub: @shirokun20
• Location: Pangandaran, West Java, Indonesia 🇮🇩
• ⚡ Quick Response: I aim to respond promptly to all inquiries

If you love Shirokun and want to support its development, you can buy me a coffee! ☕
Scan the QRIS below to donate:

Note: Your support helps keep the servers running and the updates coming! 🚀

• 🧩 Puzzle Solver: I love coding challenges and logic puzzles.
• 🏞️ Explorer: Outside coding, I enjoy exploring nature and local culture in Pangandaran.
• 🎵 Music Lover: Music is my productivity fuel.
• 📚 Continuous Learner: Always exploring new technologies and best practices.
• 🌱 Community Contributor: Active in developer communities and open source.

Let's Connect & Collaborate!

Building the future, one line of code at a time.