Full-Stack Frontend Architecture
Architected the complete Angular 19 single-page application with TypeScript 5.7, implementing standalone components, reactive programming with RxJS, and modern web standards. Designed scalable component architecture with lazy loading and efficient state management.
Angular 19 TypeScript 5.7 SPA Architecture
Spring Boot Backend Development
Co-developed the robust Spring Boot 3.4.6 backend with Java 17, creating 90+ RESTful API endpoints with comprehensive error handling. Implemented microservices architecture with modular design patterns and enterprise-grade scalability.
Spring Boot 3.4.6 Java 17 90+ APIs
Advanced Data Visualization
Built sophisticated charting and analytics system using ApexCharts 3.41, Chart.js 4.4.9, and D3.js 7.9. Created interactive dashboards with real-time data updates, advanced filtering, and comprehensive export functionality for business intelligence.
ApexCharts 3.41 D3.js 7.9 Business Intelligence
AI Integration & Machine Learning
Engineered Google Gemma AI integration with real-time streaming capabilities using Server-Sent Events. Developed intelligent chatbot interface with business context awareness, knowledge base integration, and role-based AI responses for personalized user experiences.
Google Gemma AI Machine Learning Server-Sent Events
Enterprise Security & Authentication
Implemented comprehensive security framework with JWT authentication, role-based access control (RBAC), and Spring Security 6. Designed secure user management for HQ_ADMIN, STATE_MANAGER, and STORE_MANAGER roles with BCrypt password hashing and CSRF protection.
JWT Authentication Spring Security 6 RBAC
Database Architecture & Optimization
Co-architected PostgreSQL database with Supabase cloud hosting, implementing 15+ materialized views for sub-100ms query performance. Designed HikariCP connection pooling with 30 max connections and advanced query optimization strategies.
PostgreSQL Supabase 15+ Materialized Views
Progressive Web App & UI/UX Design
Created enterprise-grade Progressive Web App with offline capabilities, push notifications, and responsive design. Utilized Tailwind CSS 3.4.17, PrimeNG 19.1.3, and Angular Material 19.2.18 for modern, accessible user interfaces with optimal user experience.
PWA Tailwind CSS 3.4.17 PrimeNG 19.1.3
Testing & Quality Assurance
Implemented comprehensive testing strategy with unit tests, integration tests, and end-to-end testing. Achieved 95+ test coverage with automated testing pipelines, ensuring 99.9% data accuracy and zero security incidents in production environment.
Unit Testing E2E Testing 95% Coverage