- Created FastAPI application with transaction ingestion endpoints
- Built dynamic rule engine supporting velocity checks and aggregations
- Implemented real-time and batch screening capabilities
- Added rule management with versioning and rollback functionality
- Created comprehensive audit and reporting endpoints with pagination
- Set up SQLite database with proper migrations using Alembic
- Added intelligent caching for aggregate computations
- Included extensive API documentation and example rule definitions
- Configured CORS, health endpoints, and proper error handling
- Added support for time-windowed aggregations (sum, count, avg, max, min)
- Built background processing for high-volume batch screening
- Implemented field-agnostic rule conditions with flexible operators
Features include transaction ingestion, rule CRUD operations, real-time screening,
batch processing, aggregation computations, and comprehensive reporting capabilities
suitable for fintech fraud monitoring systems.
