Nipun D.

Top Rated Flutter & Full-Stack Mobile Developer | iOS, Android, Kotlin, AI I build production-ready mobile apps and complete software products - from the Flutter frontend to backend APIs, databases, web portals, and cloud deployment. Whether you're launching an MVP, scaling an existing product, or looking for a long-term development partner, I can help turn your idea into reliable, maintainable software that is ready for real users. I've worked across education, healthcare, e-commerce, logistics, recycling, parking, and business management. My experience goes beyond writing mobile UI: I can take ownership of the full development lifecycle, from architecture and implementation to testing, deployment, and ongoing improvements. What I Can Build for You ✅ Flutter Mobile Apps - Cross-platform Android and iOS applications ✅ Native Mobile Development - Kotlin, Android, and Swift/iOS ✅ Full-Stack Applications - Mobile apps, web portals, admin dashboards, and backend services ✅ Backend Development - Node.js, Express.js, REST APIs, GraphQL, and authentication ✅ Database Architecture - PostgreSQL, MySQL, MongoDB, Firebase, and Firestore ✅ AI-Powered Applications - OpenAI API integration, AI tutors, and intelligent product features ✅ Real-Time Features - Chat, voice messages, notifications, and synchronized updates ✅ Payments & Subscriptions - Stripe, Google Play Billing, and Apple In-App Purchases ✅ Maps & Location Services - GPS tracking, geofencing, and location-based workflows ✅ Cloud & Deployment - AWS, Cloudflare R2, server configuration, CI/CD, and app releases ✅ Maintenance & Optimization - Bug fixing, performance improvements, refactoring, and new features Recent Experience & Projects 1. School Management & Online Learning Platform Built and deployed a complete school management and learning platform as a solo full-stack developer, including: - School website, admissions workflow, and parent portal - Student, teacher, and administrator portals - Flutter mobile application for iOS and Android - Node.js, Express, TypeScript, PostgreSQL, and Prisma backend - Assignments, grading, digital library, learning resources, and class communication - Voice messaging, role-based permissions, and automated testing - Cloud storage integration, deployment, and ongoing versioned releases 2. Multi-Tenant Valet & Waste Management SaaS Developed a production system combining Flutter mobile apps, web administration, and backend services. - Multi-tenant property and building management - QR/barcode scanning and GPS-based employee workflows - Geofenced clock-in and clock-out - Stripe subscriptions, push notifications, and real-time updates - Role-based access control and AWS S3 integration - Backend APIs, database management, and cloud deployment 3. Educational Mobile Applications Built educational applications featuring interactive worksheets, structured learning content, scoring, progress tracking, and supporting school management portals. My work includes the published Mavendu educational app. 4. Parking & Business Applications Developed mobile applications such as ECS VALET (iOS and Android) and Orange Parking (Android), working with APIs, location services, QR scanning, notifications, and business workflows. Why Work With Me? ✔ End-to-end ownership: I can handle mobile development, backend integration, databases, and deployment. ✔ Maintainable architecture: I use appropriate architectural patterns and separation of concerns to keep projects easier to test, extend, and maintain. ✔ Production-focused development: I consider performance, security, reliability, and real-world usage - not just whether the code works on my machine. ✔ Clear communication: Regular updates, practical technical explanations, and transparency about progress and blockers. ✔ Long-term mindset: I aim to build software that can evolve with your business rather than require constant rewrites. My Technology Stack Mobile: Flutter, Dart, Kotlin, Swift, Android, iOS Architecture & State Management: Clean Architecture, BLoC, Cubit, Provider Backend: Node.js, Express.js, TypeScript, REST APIs, GraphQL Databases: PostgreSQL, MySQL, MongoDB, Firebase, Firestore Web: React, TypeScript, Next.js Cloud & Integrations: AWS, Cloudflare R2, Firebase Cloud Messaging, Stripe, Google Maps, OpenAI APIs Tools: Git, GitHub, GitLab, CI/CD, automated testing, app store deployment I believe great software is more than working code. It should solve a real problem, provide a great user experience, and have a solid technical foundation for future growth. If you're looking for a developer who can understand your requirements, make sound technical decisions, and take your product from idea to production, let's discuss what you're building.