You will get a secure .NET Core REST API with JWT authentication


Project details
You will get a secure and well-structured .NET Core REST API with JWT authentication and role-based authorization. I build clean, scalable APIs using layered architecture, Entity Framework, and PostgreSQL/MSSQL. Your API will include clear routes, validated inputs, strong authentication, and Swagger documentation. I deliver production-ready, maintainable backend systems suitable for enterprise use.
Web Programming Project
API Development, API IntegrationProgramming Languages
C#What's included
| Service Tiers |
Starter
$80
|
Standard
$200
|
Advanced
$400
|
|---|---|---|---|
| Delivery Time | 7 days | 14 days | 30 days |
Number of Revisions | 1 | 2 | 3 |
Source Code |
Optional add-ons
You can add these on the next page.
Additional Revision
+$10
Extra API module
+$40Frequently asked questions
About Ibrahim Deniz
.NET Developer | n8n Automation | WhatsApp API | GPT/OCR Integrations
Bartin, Turkey - 9:10 pm local time
If you need fast, reliable, and scalable integrations — I can build them end-to-end.
Are you looking to automate workflows, integrate AI into your systems, or build scalable .NET applications? I can help.
I am a Computer Engineer specializing in AI automation, n8n workflows, and .NET backend development.
I design end-to-end automation systems combining AI, APIs, OCR, and data pipelines—helping businesses save time, reduce manual work, and operate more efficiently.
🔧 What I Do
AI-powered data extraction (PDF → OCR → JSON)
Workflow automation using n8n, Supabase, APIs, and cloud services
Integrations with OpenAI / Gemini / Llama models
.NET Core backend development (REST APIs, business logic, microservices)
Desktop applications (C# WinForms/WPF)
JWT/OAuth2 authentication, RBAC security
Database design & optimization (PostgreSQL, MSSQL, MySQL)
Deployments on Docker, Coolify, VPS, bare-metal servers
✅ Why clients choose me
Strong engineering background (.NET, SQL, AI, automation)
Clean, maintainable code (SOLID & OOP)
Clear, fast communication
Strong problem-solving skills
Experience automating real business processes
If you need a reliable developer who understands both AI automation and enterprise-level .NET API development, let’s work together.
Send me a message — I’d love to help you build something great.
Steps for completing your project
After purchasing the project, send requirements so Ibrahim Deniz can start the project.
Delivery time starts when Ibrahim Deniz receives requirements from you.
Ibrahim Deniz works on your project following the steps below.
Revisions may occur after the delivery date.
Plan the API structure
I define modules, routes, DB model, and authentication setup.
Build the API
I implement the API, add JWT auth, CRUD modules, and database.
