You will get .NET 9 Secure API Skeleton — JWT + Refresh, RBAC (User/Role/UserRole)
Project details
Production-ready .NET 9 Web API skeleton with layered architecture, JWT + Refresh Token, Role-Based Access Control, Swagger, and Serilog logging.
Programming Languages
ASP.NET, C#Coding Expertise
Cross Browser & Device Compatibility, Performance Optimization, SecurityWhat's included
| Service Tiers |
Starter
$400
|
Standard
$600
|
Advanced
$900
|
|---|---|---|---|
| Delivery Time | 1 day | 4 days | 7 days |
Number of Revisions | 1 | 2 | 3 |
Design Customization | - | - | - |
Content Upload | - | - | - |
Responsive Design | - | - | - |
Source Code | - | - | - |
Optional add-ons
You can add these on the next page.
Fast Delivery
+$150 - $300
Additional Revision
+$250
Source Code
(+ 2 Days)
+$1,000
Logging
(+ 3 Days)
+$350About Hasan
Senior Fullstack Engineer | Angular 20, Spring Boot, .Net Core 9
Ankara, Turkey - 8:43 pm local time
Core Expertise
Frontend (UI/UX): Angular 15–20, PrimeNG, TailwindCSS. I build fully custom templates and reusable component libraries from scratch, with multi-theme (light/dark) and multi-language (i18n) support.
Backend (APIs & Services): .NET 9 and Spring Boot, layered architectures (Application, Domain, Infrastructure, Persistence), secure REST APIs with JWT/Refresh Token, RBAC, Swagger, and global exception handling.
Databases: PostgreSQL & MSSQL – schema design, performance tuning, stored procedures, and views.
AI/LLM: Custom tokenizer design, PyTorch model fine-tuning, config-driven training pipelines.
Selected Projects
SoloFinans (FinTech SaaS): Multi-language finance platform with role-based access control, theming, and modular architecture.
EBYS (Document & Ticket Management System): Large-scale enterprise workflows, full-text search, logging, scheduled jobs, and user-friendly UI.
Katılım Finans Kefalet (KFK): Credit and risk management system with scheduled jobs, JSON/WS integrations, and reporting.
Boğaziçi Yurtlar: End-to-end student housing placement & lottery system, plus scholarship applications with socio-economic scoring.
TBBBMHH: Secure e-Devlet integrated application modules, enabling online applications and approvals through government systems.
Custom LLM Projects: Built tokenizers with 60k vocab, implemented advanced training features (RoPE, FlashAttention, AMP), and developed inference pipelines.
How I Work
Clean, well-documented, and maintainable code
Fast iterations & small milestones with early demos (Loom videos, test deployments)
Proactive communication and transparent progress updates
Long-term support and continuous improvement mindset
Why Clients Choose Me
I don’t just deliver features – I deliver enterprise-ready solutions that can scale.
My experience spans fintech SaaS, education & scholarship platforms, risk management, and public sector e-services.
I combine modern frontend, secure backend, and reliable infrastructure into one package.
Whether you need a secure API, a custom Angular UI framework, or a full enterprise system from scratch, I can help you build something modern, scalable, and future-proof.
Let’s talk about your project and make it a success.
Steps for completing your project
After purchasing the project, send requirements so Hasan can start the project.
Delivery time starts when Hasan receives requirements from you.
Hasan works on your project following the steps below.
Revisions may occur after the delivery date.
Project skeleton setup
.NET 9 Web API is created with clean layered architecture and JWT + Refresh Token flow is added.
RBAC implementation
User/Role/UserRole tables are created with EF Core, role-based endpoints, core data and Swagger documents.