Expert · 6–8 weeks
Event-Driven Order Fulfillment Platform
End-to-end fulfillment: order placement, warehouse allocation, shipping label generation, tracking updates. Event sourcing for order state, CQRS read models, and chaos testing for consumer failures.
Why this project
Staff-level ownership of a critical business flow with event sourcing and operational maturity.
Tech stack
Java 17Spring Boot 3KafkaPostgreSQLRedisEvent SourcingOpenTelemetry
Skills demonstrated
- Event sourcing
- CQRS
- Saga orchestration
- Operational excellence
Interview talking points
- When event sourcing is worth the complexity
- CQRS read model rebuild
- Saga timeout handling at scale
- Chaos testing results you would share
Problem statement
End-to-end fulfillment: order placement, warehouse allocation, shipping label generation, tracking updates. Event sourcing for order state, CQRS read models, and chaos testing for consumer failures.