I will build a dotnet core web API and backend with sql server

S
sanlamd
S
sanlamd
San D.
build a dotnet core web API and backend with sql server
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build a dotnet core web API and backend with sql server

About this gig

Need a reliable .NET backend that just works? I'm a senior .NET developer with 10+ years building business systems with ASP.NET Core, C# and SQL Server, including a platform that handles over SGD 10M in monthly cash flow.

What I can build for you:

  • REST APIs with ASP.NET Core Web API
  • SQL Server database design, queries and performance tuning
  • EF Core or Dapper data access
  • Third-party integrations (Xero, payment, SMS, email)
  • JWT authentication and role-based permissions
  • Bug fixes and refactoring of existing .NET projects

How I work:

  • Clean, maintainable code (Clean Architecture, CQRS)
  • Input validation and proper error handling
  • Swagger documentation for every endpoint
  • Unit tests on the core logic
  • Clear daily updates in English

Please message me before ordering with a short description of your project, so I can confirm the scope, timeline and the right package for you.

  • Expertise

    • Debugging
    • Performance
    • Security
    • Databases
    • Testing procedures

  • Programming language

    • C#

Get to know San D.

San D.

Senior DotNet Full Stack Developer

  • FromVietnam
  • Member sinceOct 2022

  • Languages

    Vietnamese, English
Senior .NET developer with 15+ years in ASP.NET Core, C# and SQL Server. As Programmer Manager at AES Technologies, I lead an agency management system for an overseas client handling SGD 10M+ cash flow per month: Xero API integration, Crystal Reports, GIRO payouts, SMS and a recruitment module. I also build clean backends (Clean Architecture, CQRS, EF Core, Dapper), REST APIs, Razor/Bootstrap 5 dashboards and SEO-friendly landing pages. I write tested code, communicate clearly in English and deliver on time.

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