Projects
A collection of backend systems, DevOps pipelines, and personal tools — built with a focus on performance, scalability, and clean architecture.
Dynamic QR-Based FutureBook
Backend system linking physical textbooks to digital content via QR codes. Supports multi-year program access, entitlement enforcement, quizzes, analytics, and a CMS-controlled QR lifecycle.
- Multi-year program support and entitlement enforcement
- CMS-controlled QR lifecycle management
- Analytics and quiz integration per QR scan
Alor-Shikha Online Quiz Platform
Large-scale online quiz platform with weekly exams, scoring, and leaderboards. Built high-performance APIs with Redis caching for sub-100ms reads under peak submission load.
- Sub-100ms response times under peak load via Redis caching
- Weekly exam scheduling with automated scoring
- Real-time leaderboards
Focus Hub Real-Time Analytics Pipeline
Real-time analytics pipeline streaming document-level changes to pre-aggregated PostgreSQL tables without adding transactional database load. Built change-stream consumer, message broker pipeline, and idempotent replay-safe workers.
- Zero additional load on transactional database
- Idempotent replay-safe worker design
- Change-stream consumer with NATS message broker
Partner-Campaign & API-Client Platform
API-key platform for external partners to access campaign APIs. Built key generation, per-client authentication, and resource scoping for secure multi-tenant access.
- Secure API-key generation and rotation
- Per-client authentication and resource scoping
- Multi-tenant access control
CQ Formatter — AI-Assisted Bulk Question Ingestion
Internal tool for bulk CQ content ingestion from images and documents. Integrated Gemini API for content extraction, reducing manual data-entry effort by ~70%.
- ~70% reduction in manual data-entry effort
- Gemini API integration for image/document content extraction
- Bulk ingestion pipeline with validation
DevSecOps Agent
Web-based security inspection platform automating vulnerability detection across Docker containers and cloud infrastructure. Features WebSocket real-time streaming, CVE detection via Trivy, and GPT-4o-mini powered contextual risk analysis covering 15+ security checks.
- 15+ automated security checks
- Real-time vulnerability streaming via WebSockets
- GPT-4o-mini powered contextual risk analysis
- CVE detection with Trivy integration
Expense Tracker
Full-stack expense tracker with CRUD, category filtering, date range search, and CSV export. Dockerized frontend (React + NGINX) and backend (Express) deployed behind NGINX reverse proxy on AWS EC2.
- Containerized full-stack deployment on AWS EC2
- NGINX reverse proxy for frontend and backend
- CSV export and date-range filtering
CloudMentor — AI Learning Assistant
Teaching-friendly AI assistant for generating quizzes, flashcards, and study plans from uploaded materials. Fully serverless AWS deployment via GitHub Actions CI/CD and AWS SAM.
- Serverless AWS architecture with AWS SAM
- GitHub Actions CI/CD pipeline
- AI-generated quizzes, flashcards, and study plans