Projects & Portfolio

Live

Enterprise Banking Portal (Wells Fargo CEO)

Enterprise • Microservices • Banking
Live Application
Contributed to the development and maintenance of Wells Fargo's Commercial Electronic Office (CEO) portal, a secure enterprise-grade banking platform serving corporate and wholesale banking customers with personalized access to financial services through single sign-on (SSO).
Key Features & Achievements
  • Built Spring Boot microservices handling 10,000+ concurrent users
  • Implemented Redis caching reducing API response times by 40%
  • Developed RESTful APIs with OpenAPI/Swagger documentation
  • Migrated legacy applications from PCF to OpenShift with zero downtime
  • Integrated Ping SSO for seamless authentication across multiple enterprise apps
  • Implemented comprehensive monitoring with Splunk dashboards
Technology Stack
Java 11/17 Spring Boot React OpenShift PCF Redis MongoDB Oracle DB Jenkins Splunk
Live

Insurance Data Migration Platform (USAA)

Enterprise • Data Migration • Insurance
Live Application
Contributed to the end-to-end migration of legacy SOAP web services to modern RESTful APIs for USAA's Member Data Services, boosting performance and maintainability for millions of insurance and banking customers.
Key Features & Achievements
  • Migrated legacy JSR batch jobs to Spring Batch on OpenShift pods
  • Built Grafana dashboards with Prometheus metrics for real-time monitoring
  • Implemented Kafka event publishing for distributed system communication
  • Created comprehensive CI/CD pipelines with GitLab and Helm charts
  • Developed Karate integration tests for end-to-end API validation
  • Managed offshore team coordination and technical mentoring
Technology Stack
Java 8 Spring Boot Kafka OpenShift Kubernetes GitLab CI Grafana Prometheus DB2 Helm
Live

E-commerce Retail Platform (Kroger)

E-commerce • Retail • Microservices
Live Application
Contribute to development and maintenance of Kroger's Pickup and Data Warehouse applications using microservices architecture to support large-scale distributed retail operations across multiple store locations and subsidiaries.
Key Features & Achievements
  • Built MQ-based microservices for asynchronous communication
  • Developed frontend components with AngularJS for seamless UX
  • Implemented JDBC Template DAO for reliable DB2 persistence
  • Managed production deployments with Ansible across multiple locations
  • Designed high-volume data storage solutions using Cassandra
  • Collaborated with stakeholders for requirement analysis and feature planning
Technology Stack
Java 7/8 Spring Boot AngularJS PCF DB2 Cassandra Ansible Docker Kibana Bitbucket
Live

Telecom Point of Sale System (Verizon)

Telecom • POS • Legacy Migration
Live Application
Contributed to Verizon's critical Point of Sale (POS) Application migration from Oracle ATG to modern microservices architecture, enhancing system scalability, maintainability, and performance for telecommunications retail operations.
Key Features & Achievements
  • Developed APIs using Netflix OSS components (Eureka, Ribbon, Hystrix)
  • Built responsive UI components with ReactJS and modern CSS3
  • Implemented comprehensive testing strategy for legacy and new systems
  • Performed production defect analysis using Kibana log monitoring
  • Conducted detailed code reviews and regression testing
  • Ensured seamless migration with minimal impact to end users
Technology Stack
Java 8 Spring Boot ReactJS Netflix OSS Oracle 10g Redis Cache WebLogic Jenkins Kibana JUnit
Live

Marketing Submission Application

Full Stack • AWS • Personal Project
Live Demo Source Code
A comprehensive marketing submission platform built with Java Full Stack technologies and deployed on AWS EC2. Features user authentication, data management, and responsive design for marketing campaign submissions.
Key Features & Achievements
  • Built complete full-stack application from scratch
  • Implemented secure user authentication and authorization
  • Designed responsive UI for optimal user experience
  • Deployed and configured on AWS EC2 with proper security groups
  • Integrated database management for marketing submissions
  • Implemented form validation and error handling
Technology Stack
Java Spring MVC JSP MySQL AWS EC2 Tomcat Bootstrap jQuery Maven
Live

LAMP Stack Web Application

Full Stack • LAMP • Personal Project
Live Demo Source Code
A dynamic web application built using the LAMP (Linux, Apache, MySQL, PHP) stack, demonstrating proficiency in traditional web development technologies and server-side programming.
Key Features & Achievements
  • Built complete LAMP stack application from ground up
  • Implemented dynamic content generation with PHP
  • Designed normalized MySQL database schema
  • Created responsive frontend with modern CSS and JavaScript
  • Implemented server-side form processing and validation
  • Configured Apache server with proper security measures
Technology Stack
PHP MySQL Apache Linux HTML5 CSS3 JavaScript Bootstrap
Live

Professional Portfolio Website

Frontend • Portfolio • Personal Project
Live Site Source Code
A modern, responsive portfolio website showcasing professional experience, education, and projects. Built with cutting-edge frontend technologies and optimized for mobile devices and cross-browser compatibility.
Key Features & Achievements
  • Designed modern glassmorphism UI with smooth animations
  • Implemented fully responsive design for all device sizes
  • Added cross-browser compatibility including Safari mobile support
  • Integrated Google Fonts and Font Awesome for enhanced typography
  • Built interactive navigation with hover effects and transitions
  • Optimized for accessibility and screen readers
Technology Stack
HTML5 CSS3 JavaScript Bootstrap 5 Google Fonts Font Awesome Responsive Design Glassmorphism
Open Source

College Search Application

Full Stack • Education • Search Engine
Source Code
A comprehensive college search platform that helps students find and compare educational institutions based on various criteria including location, programs, rankings, and admission requirements.
Key Features & Achievements
  • Built advanced search and filtering functionality
  • Implemented college comparison features
  • Designed responsive UI for optimal user experience
  • Integrated database for college information management
  • Created user-friendly navigation and search interface
  • Implemented sorting and ranking algorithms
Technology Stack
Java Spring Boot HTML5 CSS3 JavaScript MySQL Bootstrap
Open Source

Color Temperature Microservice

Microservices • Spring Boot • Color Science
Source Code
A sophisticated Spring Boot microservice for calculating color temperature based on sun timing and solar phases. Integrates with external APIs to fetch sunrise/sunset data and computes corresponding color temperatures for different times of day (night, twilight, day).
Key Features & Achievements
  • Built Spring Boot microservice with Gradle build system
  • Implemented service layer with RestTemplate for external API integration
  • Created TemperatureUtility for solar phase detection and color calculations
  • Added comprehensive API mocking with WireMock for service virtualization
  • Developed integration tests for end-to-end correctness validation
  • Containerized application with Docker and docker-compose orchestration
  • Implemented profile-based configuration (dev/qa) for different environments
  • Integrated with sunrise-sunset.org API for real-time solar data
Technology Stack
Java Spring Boot Gradle RestTemplate WireMock Docker Docker Compose JUnit Spring Profiles Color Science
Open Source

Order Service Microservice

Microservices • E-commerce • Backend
Source Code
A Spring Boot microservice for handling order management in e-commerce applications, demonstrating modern microservices architecture patterns and best practices.
Key Features & Achievements
  • Built RESTful APIs for order management
  • Implemented microservices design patterns
  • Added comprehensive error handling
  • Created unit and integration tests
  • Implemented order lifecycle management
  • Added database persistence layer
Technology Stack
Java Spring Boot REST APIs JPA MySQL JUnit Maven
Academic

Compiler Design Implementation

Academic • Compiler • Computer Science
Source Code
A comprehensive compiler implementation project demonstrating lexical analysis, syntax analysis, semantic analysis, and code generation phases of compiler construction.
Key Features & Achievements
  • Implemented lexical analyzer (tokenizer)
  • Built syntax analyzer with grammar rules
  • Created semantic analyzer for type checking
  • Developed code generation module
  • Implemented error handling and reporting
  • Added comprehensive test cases
Technology Stack
Java Compiler Theory Lexical Analysis Syntax Analysis Code Generation
Open Source

Spring Security Implementation

Security • Authentication • Spring Framework
Source Code
A comprehensive Spring Security implementation showcasing authentication, authorization, and security best practices for modern web applications.
Key Features & Achievements
  • Implemented JWT-based authentication
  • Added role-based access control (RBAC)
  • Created secure REST API endpoints
  • Implemented password encryption and validation
  • Added CORS and CSRF protection
  • Built comprehensive security configurations
Technology Stack
Java Spring Boot Spring Security JWT OAuth2 MySQL Maven
Open Source

Web Services Framework

Web Services • REST • SOAP
Source Code
A comprehensive web services implementation demonstrating both REST and SOAP web service development with modern Java technologies and best practices.
Key Features & Achievements
  • Built RESTful web services with Spring Boot
  • Implemented SOAP web services
  • Added comprehensive API documentation
  • Created client applications for testing
  • Implemented XML and JSON data formats
  • Added service validation and error handling
Technology Stack
Java Spring Boot REST APIs SOAP XML JSON WSDL
Live

One Doctor Service (Backend)

Healthcare • Microservices • Consultancy
Python-based backend microservice for a comprehensive healthcare platform that connects patients with doctors, providing appointment scheduling, medical records management, telemedicine capabilities, and real-time communication features.
Key Features & Achievements
  • Built scalable Python microservices with FastAPI framework
  • Implemented secure patient and doctor management APIs
  • Added intelligent appointment scheduling system with conflict resolution
  • Created HIPAA-compliant medical records storage and retrieval
  • Implemented real-time notifications and messaging system
  • Added comprehensive API documentation with OpenAPI/Swagger
  • Integrated payment processing and billing management
  • Built robust authentication and authorization with JWT tokens
Technology Stack
Python FastAPI SQLAlchemy PostgreSQL Redis Docker JWT WebSockets Celery Swagger/OpenAPI
Live

One Doctor Web (Frontend)

Healthcare • Frontend • Web Application
Modern React-based frontend web application for the One Doctor healthcare platform, providing an intuitive and responsive interface for patients and doctors to manage appointments, consultations, medical records, and telemedicine sessions.
Key Features & Achievements
  • Built responsive healthcare web interface with React and modern UI/UX
  • Implemented secure user authentication and role-based authorization
  • Created intuitive appointment booking and management system
  • Added comprehensive patient dashboard with medical history visualization
  • Implemented real-time chat and video consultation functionality
  • Designed mobile-first responsive layout for cross-device compatibility
  • Integrated payment gateway for seamless billing experience
  • Added progressive web app (PWA) capabilities for offline access
Technology Stack
React TypeScript Redux Toolkit Material-UI React Router Axios WebRTC Socket.io PWA Webpack
Open Source

MEAN Stack Application

Full Stack • MEAN • Web Development
Source Code
A comprehensive MEAN stack (MongoDB, Express.js, Angular, Node.js) web application demonstrating full-stack JavaScript development with modern frameworks and database integration.
Key Features & Achievements
  • Built complete MEAN stack architecture from scratch
  • Implemented RESTful APIs with Express.js
  • Created dynamic frontend with Angular framework
  • Integrated MongoDB for data persistence
  • Added user authentication and session management
  • Implemented responsive design patterns
Technology Stack
MongoDB Express.js Angular Node.js JavaScript TypeScript HTML5 CSS3 Bootstrap
Open Source

Node.js Projects Collection

Backend • Node.js • API Development
Source Code
A collection of Node.js projects showcasing various backend development concepts, API implementations, and server-side programming techniques using modern JavaScript frameworks.
Key Features & Achievements
  • Developed multiple Node.js applications
  • Implemented various API patterns and designs
  • Created database integration examples
  • Built authentication and authorization systems
  • Implemented file handling and middleware
  • Added comprehensive error handling
Technology Stack
Node.js Express.js JavaScript REST APIs MongoDB MySQL JWT NPM