Sharik is a platform that enables users to exchange skills with each other.
Users can offer skills they have, request skills they want to learn, and engage in mutual learning through a structured exchange system with points and ranking.
- User authentication and profile management
- Skill and category management
- Skill exchange workflow between users
- Rating system after exchanges
- Points and ranking system
- Real-time chat between users
- Real-time notifications
- Backend: .NET 10, ASP.NET Core
- Architecture: Clean Architecture, CQRS
- Database: PostgreSQL, EF Core
- Authentication: Identity, JWT, Refresh Tokens
- Real-Time: SignalR
- Email Service: MailKit
- Implemented CQRS pipeline behaviors for validation and caching
- Applied hybrid caching (in-memory + PostgreSQL) to improve performance
- Built background jobs to clean unverified users
- Implemented audit interceptors (CreatedAt, UpdatedAt)
- Added soft delete mechanism using interceptors
- Designed a scalable and maintainable system following best practices
- JWT authentication with refresh token mechanism
- Role-based authorization
- Email confirmation using MailKit
- Request validation
- One-to-one chat using SignalR
- Instant notifications for exchanges and updates
The system follows Clean Architecture principles with clear separation of concerns:
- Domain layer for business logic
- Application layer using CQRS
- Infrastructure layer for external services
- API layer for endpoints
- Build a scalable and maintainable backend system
- Apply real-world architecture patterns
- Implement real-time communication and background processing
- Ensure security and performance
