Featured Case Studies

Real-world projects showcasing expertise in backend development, API design, and DevOps practices

Currency Exchange Platform

Django 3.2 PostgreSQL Redis Celery Heroku OpenExchangeRates API
Backend + DevOps

A comprehensive Django application enabling seamless currency conversion and wallet-to-wallet transfers. Features real-time exchange rates, automated background processing, and multi-currency wallet management with robust error handling and transaction logging.

Database Architecture

Designed PostgreSQL schema with wallet, transaction, and user models supporting multiple currencies with proper foreign key relationships and constraints

Background Processing

Implemented Redis + Celery for automated daily exchange rate updates using cron scheduling, ensuring data consistency and reliability

API Integration

Integrated OpenExchangeRates API with proper error handling, rate limiting, and fallback mechanisms for seamless currency data updates

DevOps Pipeline

Deployed on Heroku with environment configuration management, automated migrations, and monitoring setup

📁 Source Code 🚀 Live Demo

Restaurant Management API

Flask PostgreSQL JWT Authentication Pytest Flask-Migrate Email Integration
API Development

A robust RESTful API for restaurant management featuring comprehensive meal ordering, menu management, and multi-role authentication. Built with Flask and designed for scalability with complete test coverage and detailed API documentation.

RESTful API Design

15+ endpoints following REST principles with proper HTTP methods, status codes, and JSON responses. Complete CRUD operations for meals, menus, and orders

Multi-Role Authentication

JWT-based authentication system with role-based access control (customers, caterers, super admin) and secure password hashing

Database Design

Normalized PostgreSQL schema with Flask-Migrate for version control, supporting complex relationships between users, meals, menus, and orders

Testing & Documentation

Comprehensive pytest suite with 90%+ coverage and detailed API documentation using Apiary for easy integration

📁 Source Code 🚀 Live API 📖 API Docs

File Transfer System

Ruby on Rails PostgreSQL ActiveStorage RSpec Heroku File Management
Backend + File Management

A Rails application providing secure file upload, storage, and transfer capabilities between remote servers. Features multi-file upload support, file preview functionality, and robust user authentication with comprehensive error handling.

File Management

Implemented ActiveStorage for secure file handling with support for multiple file formats, preview generation, and download management

Server-to-Server Transfer

Built secure file transfer mechanisms between remote servers with proper authentication and error handling

User Experience

Intuitive interface for bulk file uploads, file management dashboard, and real-time upload progress tracking

Testing & Deployment

Complete RSpec test suite covering file operations and deployed with automated CI/CD pipeline on Heroku

📁 Source Code 🚀 Live Demo

Technical Expertise

Comprehensive skill set spanning backend development, DevOps, and database technologies

Backend Frameworks

Django Flask Ruby on Rails FastAPI Express.js

Databases & Storage

PostgreSQL MySQL Redis MongoDB Database Optimization

DevOps & Cloud

Docker GCP Azure AWS Cloudflare CI/CD Linux Server Management Kubernetes

API & Integration

RESTful APIs GraphQL JWT Authentication Third-party Integrations API Documentation

Let's Work Together

Ready to build robust backend systems and scalable infrastructure solutions

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