A production-ready Django web application for tracking personal expenses with email-based authentication and real-time analytics.

• Built full-stack with Django 6, PostgreSQL, and a custom email-based auth system including registration, email verification, login, and password reset.
• Engineered a high-performance filtering and analytics engine using Django ORM annotations to aggregate expense data across custom date ranges in real time.
• Implemented category management, payment method tracking, profile management with photo upload, and CSRF + ownership-check security throughout.

A self-hosted n8n workflow that reads contacts from Google Sheets, sends personalised HTML application emails with a resume attachment, and writes delivery status back to the sheet.

• Deployed n8n and Postgres using Docker Compose, with environment-variable-driven configuration and no secrets committed to the repository.
• Integrated Gmail API, Google Sheets API, and Google Drive API via OAuth 2.0 credentials configured inside n8n.
• Automated deduplication logic skips contacts that have already been emailed, preventing duplicate sends across workflow runs.

A backend system for tracking workouts, exercises, and fitness progress with structured data and user management.

• Designed REST API endpoints for logging workouts, exercises, and sets with support for multiple fitness disciplines.
• Implemented user-scoped data access so each user only sees and modifies their own workout history.