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I will build scalable apis and backend solutions for your business

D
daniel_esanchez
D
daniel_esanchez
Daniel Sanchez
build scalable apis and backend solutions for your business
Full Screen
build scalable apis and backend solutions for your business
Full Screen
Full Screen
build scalable apis and backend solutions for your businessbuild scalable apis and backend solutions for your businessbuild scalable apis and backend solutions for your business

About this gig

I'm a Senior Software Engineer with 5+ years of experience building scalable backend systems, REST APIs, cloud solutions, and enterprise applications using .NET, C#, Python, SQL Server, and Azure.

Whether you need a new API, enhancements to an existing system, bug fixes, small scripts, performance optimization, or backend architecture support, I can help deliver clean, maintainable, and production-ready solutions.

My services include:

-Scripting

-REST API development

-Backend services and business logic

-Database design and optimization

-Azure cloud integration

-Performance tuning and debugging

-Code reviews and refactoring


I focus on code quality, scalability, security, and clear communication throughout the project.

Contact me before ordering to discuss your requirements and ensure the best solution for your needs.

  • Programming language

    • C#

  • Expertise

    • Algorithms & Data structures
    • Debugging
    • Performance
    • Design
    • Databases

  • Frontend framework

    • AngularJS
    • React.js
    • Tailwind CSS

  • Backend framework

    • FastAPI
    • ASP.NET Core

  • AI & low/no code builders

    • Lovable
    • Cursor

Get to know Daniel Sanchez

Daniel Sanchez
  • FromMexico
  • Member sinceNov 2025
  • Avg. response time2 days

  • Languages

    English, Spanish
I am a Senior Software Engineer with strong industry experience and a CS Ph.D. student specializing in AI. I build scalable cloud solutions, REST APIs, and full-stack apps. My research applies machine learning to health tech and social projects. I’ve developed award-winning projects like a precision-irrigation app and an IoT hive-monitoring system, and I’m active in tech communities as a speaker and mentor. My primary stack is .NET, Azure, SQL Server, and Python.

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