02 / Cloud-ready application
Course / Center Management System
An academic operations system spanning authentication, role-based access, courses, classes, assignments, progress, Q&A, and notifications.
A broad product workflow organized around secure APIs and maintainable modules, with deployment considered as part of delivery.
End-to-end flow
Problem
Problem
Course operations cross several roles and connected records, so authorization and data ownership need to stay explicit.
- Role-aware access
- Connected academic workflows
- Consistent API behavior
Architecture
Architecture
Modules separate authentication, course operations, assignments, progress, and notifications while sharing clear persistence patterns.
- Thin endpoints
- EF Core persistence
- JWT and Identity
Background work
Background work
Notification tasks can run outside the main request path, keeping user actions responsive and retryable.
- Hangfire jobs
- Request-path discipline
- Operational visibility
What I learned
What I learned
Feature breadth only stays manageable when contracts, authorization, and module responsibilities are defined early.
- Design boundaries before growth
- Treat deployment as engineering
- Prefer explicit ownership
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