javascript
3/6/2026•2 min read
Building an AI-Powered Revenue Recovery Engine for SaaS 🚀 (Next.js 15 + Gemini 2.0)
Every SaaS founder knows the "silent killer" of revenue: Involuntary Churn. It’s not that the...
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Ranul Gamage
Software Engineer at Axiata Digital Labs
Full Stack Developer | Mobile App Developer
Crafting exceptional digital experiences with React, TypeScript, Java Spring Boot, Android, React Native, and Flutter
Software Engineer since 2024
Crafting exceptional digital experiences. Building the future, one line at a time.
Axiata Digital Labs, 2025
The Journey
From a curiosity-driven beginner to a Software Engineer at Axiata Digital Labs, my path has been defined by continuous learning and pushing boundaries.
Every project is an opportunity to innovate, every challenge a chance to grow.
Where innovation happens
"It's not about where you start, it's about the progress you make and the impact you create."
01
Professional Experience
Software Engineer at Axiata Digital Labs, contributing to enterprise solutions and full-stack development
02
Education
Bachelor of Computing - Computer Software Engineering
Curtin University (2021 - 2024)
03
Location
Pita Kotte, Western Province, Sri Lanka
Defining the Journey
2025 - Present
Axiata Digital Labs
Contributing to enterprise solutions including Axonect Enterprise Product Catalog (EPC), Axonect CRM, CDOM, and Digital BSS. Building scalable full-stack solutions using React, TypeScript, Java Spring Boot, and modern cloud technologies.
2021 - 2024
University Years
Led development of innovative mobile applications during my tenure at Curtin University. Managed client communications, sprint work, and spearheaded implementation of cutting-edge technological solutions across multiple projects.
The Foundation
Core Values
Excellence in problem-solving, collaborative teamwork, and continuous innovation. Driven by passion for creating impactful solutions that make a difference in the digital landscape.
Technical Skills
Frontend
ReactTypeScriptJavaScriptNext.jsRedux.jsTailwind CSSBootstrapMaterial-UIAnt DesignSASS/SCSS
Backend
Java Spring BootREST APIsMongoDBMySQLHibernateJPAMicroservicesRabbitMQKafka
Mobile
AndroidReact NativeFlutter
Tools & DevOps
GitGitHubGitLabJenkinsDockerPostmanSwaggerWebpackViteJestCypress
Experience
Axiata Digital Labs
Colombo District, Western Province, Sri Lanka
Software Engineer
Current PositionJan 2025 - Present
1 year 2 months 5 days
Contributing to enterprise solutions and full-stack development
Software Engineer Intern
Apr 2024 - Jan 2025
10 Months
Contributed to enterprise solutions including Axonect Enterprise Product Catalog (EPC), Axonect CRM, CDOM, and Digital BSS. Developed both frontend and backend solutions using modern technologies.
Key Contributions:
- • Backend Development: Spring Boot, REST APIs, MongoDB, MySQL
- • Frontend Development: React, TypeScript, Redux.js, Next.js
- • Microservices architecture with RabbitMQ and Kafka
- • CI/CD pipelines using Jenkins and GitLab CI
Featured Products
RGDev E-Commerce Platform
Complete E-Commerce Ecosystem
A comprehensive e-commerce solution with web storefront and mobile admin app. Designed to help businesses sell online, manage operations efficiently, and grow revenue.
Complete online store platform with secure payment processing, customer management, and powerful analytics. Manage your entire business from anywhere with our mobile admin app.
Why Choose This Platform
Start selling online in days, not months
Accept payments via credit card, bank transfer, or cash on delivery
Track sales, inventory, and customer data in real-time
Manage your store from anywhere with mobile app
Customize branding to match your business identity
Key Highlights
Launch Fast: Get your online store up and running quickly
Bank-Level Security: Your data and customer payments are fully protected
Work Anywhere: Manage your business from desktop or mobile
Flexible Payments: Credit cards, bank transfers, and cash on delivery
Data-Driven Decisions: Understand your sales and customers with analytics
Your Brand: Fully customizable to match your business identity
Stay Updated: Get instant alerts for orders and important events
Complete Solution: Everything from products to delivery and returns
Online Store
Customer Shopping Experience
Beautiful, easy-to-use online store where your customers can browse products, make purchases, and track their orders.
Screenshots & Preview
E-commerce homepage with product categories, hero banner, and navigation
Click to View
Admin dashboard showing order management, analytics, and business controls
Click to View
Product detail page with image gallery, reviews, and add to cart functionality
Click to View
Secure checkout page with multiple payment options and order summary
Click to View
Shopping cart with product list, quantity controls, and order totals
Click to View
Product catalog with filtering, sorting, and search capabilities
Click to View
Comprehensive analytics dashboard with sales trends and performance metrics
Click to View
Real-time customer support chat system for instant assistance
Click to View
Key Features
Product Showcase: Display your products with images, descriptions, prices, and customer reviews
Flexible Payments: Accept credit cards, bank transfers, and cash on delivery
Order Tracking: Customers can view order status and history anytime
Customer Support: Built-in messaging for customer inquiries and support
Reviews & Ratings: Build trust with customer reviews and product ratings
Custom Branding: Match your store design to your brand identity
Mobile Admin App
Manage Your Business On-the-Go
Comprehensive mobile admin application for iOS and Android that puts complete business control in your pocket. Manage orders, inventory, users, analytics, and customer interactions from anywhere.
Screenshots & Preview
Mobile app splash screen with RGDev E-Commerce branding and loading animation
Click to View
Comprehensive dashboard showing sales metrics, recent orders, analytics, and quick action buttons for all management functions
Click to View
Advanced management dashboard with navigation to orders, analytics, inventory, alerts, and settings
Click to View
Order list view with search functionality, order IDs, status badges, and timestamps for efficient order tracking
Click to View
Complete order details including order ID, customer email, timestamp, invoice/download buttons, order status, payment info, order items, summary, shipping address, and tracking information
Click to View
Detailed order view with admin actions (Update Order Status, Cancel Order), order items breakdown, and complete order summary
Click to View
Order status update modal with options: Processing, Shipped, Out for Delivery, Delivered, and Completed with descriptive text for each stage
Click to View
Professional invoice viewer showing RGDev E-Commerce branding, order details, ship-to address, payment method, tracking information, and pinch-to-zoom functionality
Click to View
Bank transfer payment proof verification screen with image viewer for admins to review and approve customer payment uploads
Click to View
Returns management screen showing return requests with order IDs, reasons (Damaged/Defective, Wrong Item), status tracking (Return Requested, In Review, Approved, Completed), refund methods (Store Credit, Bank Transfer), and action buttons
Click to View
Customer review management interface displaying reviews with ratings (5/5 stars), customer names, product IDs, timestamps, and delete review functionality for content moderation
Click to View
User management system showing 5 users with email addresses, role assignment (Guest/User/Admin buttons), creation timestamps, active status badges, and disable user controls
Click to View
Mobile analytics dashboard with visual charts, revenue trends, sales performance graphs, and key business metrics
Click to View
Inventory management interface with product listings, stock level monitoring, and quick access to manage product availability
Click to View
Product category organization tool for creating and managing store categories to improve product navigation
Click to View
Coupon and discount code management system for creating promotional offers and special deals
Click to View
Push notification center displaying real-time alerts for orders, inventory updates, payments, and system notifications with refresh and clear options
Click to View
Admin messaging dashboard for managing customer communications and support inquiries
Click to View
Detailed message conversation view for reading and responding to customer messages
Click to View
Comprehensive settings screen showing signed-in account (Linus Benedict Torvalds), registered devices with FCM tokens, device management (Ranul's Note10+ on Android platform), notification logs, device registration button, and sign-out option. Includes currency selection (USD, EUR, GBP, AUD, CAD, LKR) and locale formatting (en-LK, en-US, en-GB, en-AU, en-CA) with preview showing "LKR 1,299.99"
Click to View
Key Features
Real-Time Dashboard: Monitor live sales, new orders, revenue metrics, and key performance indicators
Advanced Order Management: Process orders, update shipping status, add tracking info, and manage returns
Payment Verification: Review and approve bank transfer proofs, process refunds, and manage payment methods
Invoice Generation: Create, view, download, and share professional invoices directly from mobile
Comprehensive Analytics: Track sales trends, revenue growth, top products, and customer insights
User Management: Control admin access, assign roles (Guest/User/Admin), and manage team permissions
Smart Notifications: Receive real-time alerts for orders, inventory, payments, and system updates
Inventory Control: Monitor stock levels, track product availability, and manage inventory categories
Messaging System: Communicate with customers, handle inquiries, and manage support tickets
Review Management: Monitor customer reviews, ratings, and product feedback with moderation tools
Return Processing: Handle return requests, process refunds (store credit or bank transfer), and track return status
Category Management: Organize products into categories for better customer navigation
Coupon Management: Create and manage discount codes, promotions, and special offers
Multi-Currency Settings: Configure currency (USD, EUR, GBP, AUD, CAD, LKR) and locale formatting (en-LK, en-US, en-GB, en-AU, en-CA)
Perfect For
Retail businesses wanting to sell online
Agencies managing multiple client stores
Marketplaces with multiple vendors
Business owners who need mobile management
Companies accepting various payment methods
Ready to Transform Your Business?
See how our e-commerce platform can help you sell more, manage better, and grow faster. Schedule a personalized demo with our team today.
Free Consultation
No Commitment Required
Custom Solutions Available
See technical specifications, features, and implementation details
Projects
A comprehensive, full-stack e-commerce solution featuring both a modern web-based online store and a powerful mobile admin app. Built with React 18, Firebase, and React Native, this platform enables businesses to sell products online and manage operations seamlessly from anywhere.
React 18TypeScriptFirebaseReact NativeStripeFirestoreCloud FunctionsTailwind CSSMaterial Design 3
Key Features:
- Full-featured online store with product catalog and shopping cart
- Secure checkout with Stripe payment integration
- Multi-payment support: Credit cards, bank transfers, and cash on delivery
- Real-time order processing and tracking system
- Mobile admin app for iOS and Android
- Live dashboard with sales analytics and revenue tracking
- Order management with status updates and notifications
- Inventory management with low stock alerts
- Customer management and insights
- Invoice generation and payment verification
- Push notifications for new orders and updates
- Responsive design optimized for all devices
- Firebase backend with real-time data sync
- Custom branding and theme customization
- Advanced analytics and reporting
- Secure and scalable cloud infrastructure
A complete, enterprise-grade private Android app store built with Next.js 16, React 19, Firebase, and modern web technologies. Fully responsive across mobile phones, tablets, and laptops of all sizes with role-based authentication, secure APK distribution, and comprehensive admin dashboard.
Next.js 16React 19TypeScriptFirebaseCloud FunctionsShadCN UIRechartsPWATailwind CSSFirestoreFirebase AuthFirebase Storage
Key Features:
- Role-based authentication (Admin, Client, Guest) with Firebase Auth
- Secure APK distribution with signed URLs and download tracking
- Admin approval workflow for client registrations
- Firebase Cloud Functions backend with 6 serverless functions
- Admin dashboard with Recharts analytics and real-time data
- PWA support with offline capability and app-like experience
- Firestore security rules and data validation
- Complete audit logging for all critical operations
- 17 ShadCN UI components for consistent design system
- Advanced search, filtering, and sorting functionality
- Screenshot galleries with lightbox and app detail pages
- User profile management with settings and preferences
- Real-time analytics dashboard with download stats and trends
- Fully responsive design - Mobile phones, tablets, laptops (all sizes)
- Touch-optimized UI - 44px+ touch targets, active states
- Mobile-first approach with progressive enhancement
- TypeScript for type safety and better developer experience
- Deployed on Netlify with CI/CD pipeline
A production-grade, modern personal portfolio website built with React 18, TypeScript, and Tailwind CSS. Features dynamic content, real-time tech blog integration, smooth animations, and optimized performance. Showcases professional experience, technical skills, and project portfolio with an elegant dark-mode interface.
React 18TypeScriptTailwind CSSViteLucide IconsDev.to APIGitHub APINetlify
Key Features:
- Fully responsive design optimized for all devices (mobile, tablet, desktop)
- Dynamic tech blog section with real-time content from Dev.to and GitHub APIs
- Smooth scroll animations and interactive UI elements
- Advanced search and filter functionality for blog posts
- Professional project showcase with detailed feature lists
- Skills categorization (Frontend, Backend, Mobile, Tools)
- Experience timeline with company details and positions
- Contact form integration for easy communication
- SEO optimized with meta tags and semantic HTML
- Dark mode interface with gradient accents
- Animated background effects and parallax scrolling
- Performance optimized with code splitting and lazy loading
- Deployed on Netlify with continuous deployment
A modern, responsive personal portfolio website for Prof. Prasadini Gamage built with React 18, TypeScript, and Vite. Features a clean, professional design with fast performance and excellent user experience.
React 18TypeScriptViteLucide IconsESLint
Key Features:
- Fast and modern development with Vite build tool
- Type-safe development with TypeScript
- Responsive design optimized for all devices
- Professional UI with Lucide React icons
- ESLint integration for code quality
- Optimized production build with code splitting
- Clean and maintainable code structure
- Fast page load times with Vite optimization
- Deployed with continuous deployment pipeline
- Built by RGDev™ with attention to detail
A comprehensive Android finance management application built with Java, Firebase, and Material Design 3. Features multi-account management, automatic SMS parsing, visual credit cards, advanced analytics, smart budgeting, and biometric security for seamless transaction tracking.
AndroidJavaFirebaseMaterial Design 3MPAndroidChartFirestoreSMS ParsingBiometric AuthiText7 PDFGlide
Key Features:
- Multi-Account Management (Bank, Credit Cards, Fixed Deposits)
- Automatic SMS Transaction Parsing
- Visual Credit Cards with Visa/Mastercard/AMEX variants
- Advanced Analytics with Interactive Charts
- Smart Budgeting with Real-time Tracking
- Biometric Security (Fingerprint/Face Unlock)
- Material Design 3 Dark Mode Interface
- PDF Export and Financial Reports
- Real-time Cloud Sync with Firebase
- Recurring Bills Management with Reminders
Fitness Tracker Flutter App
A cross-platform Flutter app for tracking workouts, steps, calories, and progress. Integrates with Google Fit and Apple Health.
FlutterDartGoogle Fit APIFirebase
Key Features:
- Workout and activity tracking
- Step and calorie counter
- Progress analytics
- Google Fit/Apple Health integration
- Cross-platform (Android/iOS)
React Native Social App
A social networking app built with React Native, featuring user profiles, posts, comments, and real-time chat.
React NativeExpoFirebaseSocket.io
Key Features:
- User registration and profiles
- Post creation and commenting
- Real-time chat
- Push notifications
- Cross-platform support
E-commerce Store
A full-featured e-commerce web application with product listings, shopping cart, checkout, and user authentication.
ReactReduxNode.jsExpressMongoDB
Key Features:
- Product catalog
- Shopping cart
- User authentication
- Order management
- Payment integration
Blog Platform
A multi-user blog platform with post creation, editing, commenting, and user profiles. Built with MERN stack.
MongoDBExpressReactNode.js
Key Features:
- User registration/login
- Create/edit/delete posts
- Commenting system
- User profiles
- RESTful API
FlowTask is a production-ready task management and productivity application designed with a focus on clarity, flow, and execution. Built with React, TypeScript, Firebase, and cutting-edge web technologies. It helps users manage tasks, deadlines, priorities, and track productivity through an intuitive and modern interface.
React 18TypeScriptFirebaseCloud FirestoreFirebase AuthReact Router DOMCSS Modules@dnd-kitRechartsdate-fnsViteESLint
Key Features:
- Authentication: Email/Password & Google Sign-In with secure user-specific data isolation
- Task Management: Create, edit, delete tasks with due dates, priorities (Low/Medium/High/Critical), status tracking, tags, and subtasks
- Multiple Views: List View with sorting, Kanban Board with drag-and-drop, Calendar View for date visualization
- Smart Filters: All Tasks, Today's tasks, Upcoming tasks, Overdue tasks
- Analytics Dashboard: Task completion stats, productivity streak tracking, priority distribution charts, status breakdown, weekly trends
- Notifications & Reminders: Due date reminders, overdue alerts, in-app notification center, snooze functionality
- Dark Mode: Full dark mode support with seamless theme switching and persistent preference
- Cloud Sync: Real-time data synchronization, automatic Firebase backup, offline-ready architecture
- Calendar Integration: Sync with Google Calendar and Microsoft Outlook/Teams, auto-sync at customizable intervals, bidirectional sync
- Keyboard Shortcuts: Ctrl/Cmd + N (new task), Ctrl/Cmd + K (search), Ctrl/Cmd + A (analytics)
- Security: Firebase Authentication, Firestore security rules, user-specific data isolation, secure API key management
- Production Build: Optimized for Firebase Hosting deployment
A production-ready weather forecast web application built with React and Next.js, featuring real-time weather data, hourly and 7-day forecasts, dark mode, and beautiful weather-based backgrounds.
Next.js 16React 19TypeScriptCSS ModulesOpenWeatherMap API
Key Features:
- Real-time temperature with "feels like" indicator, weather conditions, humidity, wind speed, and atmospheric pressure
- Hourly Forecast: Next 24 hours prediction with temperature trends and precipitation probability
- 7-Day Forecast: Daily high/low temperatures, weather icons, rain probability, and humidity levels
- Location Search: Auto-detect current location, one-click location button, recent searches in localStorage
- Dark Mode: Toggle between light and dark themes with modern header featuring blue gradient accents
- Dynamic Backgrounds: Weather-based gradients (sunny, cloudy, rainy, night, etc.)
- Responsive Design: Mobile-first approach, works seamlessly on all devices
- Performance: Code splitting, lazy loading, optimized images, minimal re-renders
- Accessibility: Semantic HTML, ARIA labels, keyboard navigation, sufficient contrast ratios
- Offline Support: Shows cached data when offline, localStorage for preferences
Real-time Chat App
A real-time chat application with user authentication, group chats, and message notifications. Built with React and Socket.io.
ReactSocket.ioNode.jsExpress
Key Features:
- Real-time messaging
- Group and private chats
- User authentication
- Message notifications
- WebSocket integration
PunchClock is a comprehensive, professional-grade time tracking Android application designed for freelancers, contractors, and professionals who need to accurately monitor their work hours, calculate earnings, and analyze productivity patterns. Built with modern Android development practices and featuring a sleek dark-mode UI, PunchClock offers secure authentication, cloud synchronization, and detailed analytics.
AndroidJavaAuth0FirebaseMaterial DesignMPAndroidChartWeatherAPIOkHttpPicasso
Key Features:
- Precise Hour Logging, Real-time computation of hours
- Company Profiles, Hourly Rate Configuration
- Productivity Insights, Performance Metrics, Visual Charts
- Auth0 Integration, Secure Cloud Sync
- Weather & Holiday Integration, Smart Reminders
- Modern UI/UX with enforced Dark Mode
- Firebase Realtime Database, Gradle Build System
AstroViews is a captivating React.js application that fetches and displays NASA's Astronomy Picture of the Day (APOD), including the title and detailed information. It features daily updates, date selection, high-quality images, and download options for images and information.
React.jsCSSNASA APOD API
Key Features:
- Fetches and displays NASA APOD
- Shows title and detailed description
- Daily updates and date selection
- High-quality images with enlarge and download options
- Download images as JPEG and info as text
- Modern React.js code structure
- Future enhancements: search, calendar, comments, statistics
Smart Diary Mobile Application
Led the development of a comprehensive mobile application for personal diary management, handling client communication, sprint work, and backend development.
Mobile DevelopmentBackend APIsDatabase Management
BMI Calculator App
Spearheaded the conceptualization and implementation of a BMI Calculator app, leveraging advanced technologies to deliver personalized health solutions.
Mobile DevelopmentHealth AnalyticsUI/UX Design
Food Delivery App
Contributed to the development of a comprehensive food delivery application, emphasizing seamless user experiences and efficient order placement.
Full Stack DevelopmentReal-time ProcessingPayment Integration
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I'm always interested in new opportunities and exciting projects. Whether you have a question or just want to say hi, feel free to reach out!