Expender
An intelligent expense management solution with AI-powered receipt scanning, auto-categorization, real-time analytics, and multi-currency support—transforming hours of manual work into effortless automation.
2025·Finance
Traditional expense tracking is tedious, often involving messy spreadsheets and piles of receipts. Expender streamlines this process with AI-driven features like Smart Scan, batch entry, support for 18+ currencies, advanced filtering, CSV export, and visual analytics—reducing weekly financial reviews from hours to minutes.
Key Features:
- Smart Scan - Snap or upload a receipt, AI extracts key info and suggests a category in ~5 secs.
- Multi-currency support across 18+ currencies
- Batch entry for faster input
- Visual analytics with charts and filtering
- CSV export for reporting
- Quota tiers let free users try AI-powered scanning before upgrading
Architecture and Tech Stack:
- Backend: Python + Boto3 (the AWS SDK for Python)
- Database and Storage: DynamoDB + S3
- AI/ML: AWS Textract for OCR and structured extraction with GPT-4o mini
- Infrastructure as Code: Terraform
- Frontend: React + Next.js with Shadcn/UI
- Authentication: Clerk for user management
- Application Performance Monitoring: Sentry + AWS X-Ray
Impact
Expender transforms expense management from a manual, error-prone workflow into a fully automated system. By combining Python-powered backend services with serverless AWS infrastructure, it delivers enterprise-grade scalability at near-zero idle cost.
