I will fix node js and c sharp backend bugs or integrate apis

D
dev_marwin
D
dev_marwin
Marwin
fix node js and c sharp backend bugs or integrate apis
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fix node js and c sharp backend bugs or integrate apis
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fix node js and c sharp backend bugs or integrate apisfix node js and c sharp backend bugs or integrate apisfix node js and c sharp backend bugs or integrate apisfix node js and c sharp backend bugs or integrate apis

About this gig

Are you looking for an expert Backend Developer to fix an issue or expand your application's capabilities? You are in the right place!


I am a professional Software Engineer specializing in backend architectures, database management, and API integrations. I write clean, optimized, and secure code to ensure your system runs flawlessly.


What I can do for you:

Fix bugs, crashes, and logic errors in Node.js (Express) or C# (.NET Core / Web API).

Integrate third-party APIs (REST, SOAP, JSON, XML).

Database connection and query optimization (SQL Server, PostgreSQL, MongoDB, etc.).

Custom backend feature development.

Performance optimization and log troubleshooting.


Technologies I master:

Node.js / JavaScript / TypeScript

C# / .NET Core / ASP.NET Web API

Architecture: MVC, Microservices, Clean Architecture


Why choose me?

Fast response and 24/7 support.

Clean, documented, and maintainable code.

Quality guaranteed.


PLEASE CONTACT ME BEFORE PLACING AN ORDER to discuss your requirements and ensure the best solution for your project!

  • Expertise

    • Debugging
    • Security
    • Operating systems
    • Databases
    • Testing procedures

  • Programming language

    • C#

  • Frontend framework

    • React.js

  • Backend framework

    • Node.js

Get to know Marwin

Marwin
  • FromBolivia
  • Member sinceJun 2024
  • Avg. response time1 hour

  • Languages

    Spanish, English
¡Hola! 👋 Soy Marwin Germán Núñez Robles, un Analista QA y Desarrollador de Software con experiencia en pruebas, desarrollo de APIs, y creación de soluciones tecnológicas personalizadas. ¿Qué puedo ofrecerte? 1. Pruebas de software: Detecto y soluciono errores críticos para garantizar el éxito de tu proyecto. 2. Desarrollo de APIs: Construyo APIs RESTful robustas y seguras para tus aplicaciones. 3. Consultas SQL y optimización de datos: Manejo datos complejos de manera eficiente.

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