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I will build your complete API with asp net core
Seraphin M
About this gig
Need a reliable backend API for your web, mobile, or SaaS application?
I will build your complete REST API using ASP.NET Core and .NET, with a clean, scalable, and production-ready architecture.
My services include:
ASP.NET Core REST API development
.NET 8 and .NET 9
SQL Server or PostgreSQL
Entity Framework Core
JWT authentication and authorization
CRUD operations and business logic
Swagger / OpenAPI documentation
Third-party API integrations
Docker and Docker Compose
Server and VPS deployment
AWS, Azure, Hetzner and Linux servers
HTTPS and SSL configuration
API testing and troubleshooting
I can build your API from scratch or work with your existing .NET project.
My goal is not only to write the API, but to deliver a complete backend that is properly configured, containerized with Docker, and ready to run on your server.
Please contact me before ordering so we can discuss your requirements, API scope, database, integrations, and deployment environment.
Get to know Seraphin M
Seraphin M
Tech Lead AI LLM Solutions FullStack NET React Engineer
- FromCongo [DRC]
- Member sinceSep 2026
- Avg. response time1 hour
Languages
English, French, Swahili
I am a Tech Lead and Full-Stack Engineer with 6+ years of experience building secure, scalable web applications. I specialize in C#/.NET, React, and Angular, with a current focus on LLM engineering, including RAG, prompt design, and AI agents. I have a proven track record in FinTech and enterprise platforms, guiding teams from initial idea to production.
My Portfolio
Other Software Development Services I Offer
FAQ
Q: Can you build an API from scratch?
Yes. I can design and build the complete ASP.NET Core API based on your requirements.
Q: Can you use Docker?
Yes. I can create the Dockerfile and Docker Compose configuration and prepare your API for production.
Q: Can you deploy the API to my server?
: Yes. I can deploy your API to a VPS or cloud server such as AWS, Azure, Hetzner, or another Linux server.
Q: Which databases do you support?
A: I work with SQL Server and PostgreSQL, including Entity Framework Core.
Q: Can you integrate my existing frontend?
A: Yes. I can connect your API with React, Angular, Next.js, or mobile applications.
Q: Can you work on an existing ASP.NET Core project?
A: Yes. I can add features, fix bugs, improve the API, Dockerize it, and deploy it.
