I will build a secure asp net core rest API and backend


About this gig
Need a secure and maintainable backend for your application?
I develop ASP.NET Core REST APIs and backend systems using C#, ASP.NET Core, Entity Framework Core, SQL Server/PostgreSQL and modern .NET practices.
I can help with:
REST API development
ASP.NET Core Web API
Business logic and backend modules
Entity Framework Core and database integration
Authentication and authorization
API integrations
Validation and error handling
OpenAPI / Swagger documentation
Unit and integration testing
Bug fixing and refactoring
Docker and deployment preparation
I focus on security, maintainability, clear architecture and production-ready code.
For large or complex systems, please contact me before ordering so we can define the scope correctly.
Get to know S. Baris Ozay
Software Developer
- FromTurkey
- Member sinceSep 2026
- Avg. response time1 hour
Languages
Turkish, English
Other Software Development Services I Offer
FAQ
Do you work on existing ASP.NET Core projects?
Yes. I can extend, debug, refactor or modernize existing .NET backend applications.
Do you develop REST APIs from scratch?
Yes. I can design and implement new ASP.NET Core REST APIs based on your requirements.
Which databases do you support?
I primarily work with SQL Server and PostgreSQL using Entity Framework Core.
Can you implement authentication and authorization?
Yes. Authentication and role/permission-based authorization can be implemented depending on the project requirements.
Do you provide Swagger/OpenAPI documentation?
Yes. API documentation can be included where applicable.
Do you provide tests?
Yes. Unit and integration testing can be included depending on the package and project scope.
Do you work with Docker?
Yes. Docker configuration can be included as an additional service or custom offer.
Can you integrate third-party APIs?
Yes. I can integrate external REST APIs and services.

