👋 Hi there! I'm Juanda Leonardo, a passionate Senior Software Engineer specializing in web and hybrid mobile technologies. I love transforming complex problems into intuitive, beautiful, and efficient solutions.

• Dart, JavaScript (ES6+), TypeScript, HTML, CSS
• SQL, NoSQL

• Flutter SDK, Bloc, Provider, Clean Architecture, Domain Driven Design, Modularization
• RESTful APIs, WebSockets, Firebase, Firestore, Dependency Injection
• Dio, Code Generation, Freezed, Json Serializable, Mason, Design System
• Custom Animations, Adaptive UI/UX, State Management, Performance Optimization
• Deep Linking, Google Maps API, Background Processing

• Angular, Ionic, RxJS, Progressive Web Apps (PWA), Single Page Applications (SPA)

• Code Splitting, Lazy Loading, Memory Profiling, Build Optimization
• API Response Caching, Image Optimization

• Unit Testing, Widget Testing, Integration Testing, Test-Driven Development (TDD)
• Firebase Crashlytics, Logging & Monitoring, Debugging Tools

• Git, GitHub, CI/CD, Firebase Hosting, Postman, Google Analytics

• 🎉 Hujan Hadiah SICEPAT
  Designed and built an automated random winner selection system for SICEPAT, a leading Indonesian logistics company. This system ensured a transparent and seamless giveaway process, enhancing user engagement and brand loyalty.

• 📊 PPKS Dashboard
  Developed a robust dashboard application for KEMENDIKBUD, Indonesia’s Ministry of Education. This dashboard streamlined data management and decision-making for key stakeholders, improving efficiency across educational programs.

• 📈 KB-ARA
  Led the UI/UX revamp of a high-performance mobile trading app for one of Indonesia’s leading securities firms. The redesign modernized the interface, improved user navigation, and enhanced real-time stock trading capabilities.

• 📈 QBIT
  Spearheaded the revamp of QBIT, another online trading platform, ensuring a sleek, responsive, and feature-rich experience tailored for traders and investors.

• 🛒 SantriChain POS
  Built a Point of Sales (POS) system for SantriChain minimarkets, empowering small businesses with an intuitive and reliable solution for inventory management, sales tracking, and seamless transactions.

I'm always looking to grow and stay ahead of the curve. Right now, I'm diving deeper into:

• Machine Learning
• Backend Environment

• LinkedIn: Juanda Leonardo

Feel free to reach out for collaborations, networking, or just to chat! 🚀