I will build secure node js rest API with express, supabase or mongodb

D
dieteralan64
D
dieteralan64
Dieter A
build secure node js rest API with express, supabase or mongodb
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build secure node js rest API with express, supabase or mongodb

About this gig

Are you struggling with backend errors, broken APIs, database issues or authentication problems?


I help startups and business owners build secure, scalable Node.js backends using Express, Supabase, MongoDB or SQL.


Whether you need a new REST API, bug fixes, JWT authentication, API integration, webhook setup, or database design I deliver clean, production-ready code that works.


Common problems I solve:

  • API not connecting to frontend
  • Database errors or poor schema design
  • Authentication & JWT issues
  • Slow or unoptimized backend
  • Third-party API integration failures
  • Deployment problems


You dont just need code. You need a backend that is secure, fast, and scalable.


I focus on:

  • Clean architecture
  • Secure authentication
  • Proper error handling
  • Scalable database structure
  • Fast communication


Lets turn your backend into a reliable system that supports your growth.

Message me before ordering to discuss your project.


  • Expertise

    • Algorithms & Data structures
    • Localization
    • Performance
    • Operating systems
    • Databases

  • Frontend framework

    • Bootstrap
    • jQuery
    • Next.js
    • React.js
    • Tailwind CSS

  • Backend framework

    • FastAPI
    • Next.js
    • Node.js

Get to know Dieter A

Dieter A

Full Stack Developer, Web Apps, APIs and Custom Software

  • FromPoland
  • Member sinceSep 2024
  • Avg. response time12 hours

  • Languages

    English
Hello! I'm a professional Software Developer with experience in building custom web applications, mobile apps, and scalable software solutions. I specialize in full-stack development, API integration, and modern web technologies. I focus on delivering clean, efficient, and reliable solutions tailored to your business needs. Whether you're launching a new product or improving an existing system, I'm here to help turn your ideas into powerful digital solutions. Let’s work together to bring your project to life.

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