I will build enterprise apps apis and backend systems in net

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Andres Casas

About this gig

I will develop secure and scalable APIs using ASP.NET MVC, ASP.NET Core or Web API technologies.


This Gig includes API development and integration with an existing database structure provided by the client.


The service includes:

  • REST API development
  • Database integration
  • Authentication and authorization
  • CRUD operations
  • Validation and error handling
  • Clean and scalable architecture
  • Entity Framework or ADO.NET support
  • API testing
  • Secure coding practices


IMPORTANT:

This Gig DOES NOT include database architecture or database modeling design.


If you require:

  • Database structure creation
  • Database optimization
  • Relationships and normalization
  • Performance tuning
  • Security architecture for databases
  • Advanced infrastructure consulting


those services must be quoted separately as additional professional architecture work.


Security level depends on the selected package:

Basic standard security implementation

Standard enhanced security and validations

Premium advanced security hardening and enterprise protections


Every project is customized according to your business and technical requirements to ensure quality, scalability and maintainability.

Get to know Andres Casas

Andres Casas

Senior Software Engineer Software Architect

  • FromColombia
  • Member sinceMay 2026
  • Avg. response time1 hour
  • Languages

    Spanish, English
I am a Senior Software Engineer and Architect with over 15 years of experience specializing in .NET ecosystems and full-stack development. I have a proven track record of leading technical teams, designing secure-by-design architectures, and optimizing high-performance systems for the financial and insurance sectors.

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Other Software Development Services I Offer