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Marcus O

About this gig

Need a custom web application that actually works behind the scenes?

Whether you're building a new web app, connecting a frontend to a backend, or turning your business idea into a working application, I can help you build a reliable full-stack solution.


What I can build for you:

  • Custom web applications
  • REST API development
  • Backend development with Node.js and Express
  • React frontend development
  • Database integration with MongoDB, PostgreSQL, or MySQL
  • User authentication and authorization
  • Third-party API integrations
  • E-commerce functionality
  • Responsive web applications
  • Bug fixing and backend troubleshooting


Why work with me?

I don't just focus on making an application look good. I focus on making sure the frontend, backend, APIs, authentication, and database work together properly.

Whether you need a complete application built from scratch or need improvements to an existing project, I'll work around your requirements and deliver a solution that is clean, reliable, and maintainable.



Have a project in mind?

Send me a message with what you're trying to build, what you already have, and what you need help with. I'll help you determine the right approach and package for your project.

Gig milestonesNEW

Choose to pay for your project per milestone by only paying when it’s time to start a new one or decide on a 1-time payment.

    Basic Package.
    These are the steps we’ll follow to complete your project.
  • 1st Milestone: Planning
    1-day delivery · No revisions
    $150Pay now

    I'll use your provided requirements to start planning your website.

  • 2nd Milestone: Development
    3-day delivery · No revisions
    $1,050
    Pay later

    I'll develop the website and deliver a working product for your review.

  • 3rd Milestone: Delivery
    1-day delivery · 1 revision
    $300
    Pay later

    I'll send you the final delivery for review and feedback.

Respect third-party rights

Please be aware that it is against Fiverr's policies for sellers to include themes, templates, or any other elements that infringe third-party rights or applicable laws in the delivered work. Read more about in our Guide to Responsible Digital Creation.

Get to know Marcus O

Marcus O

Backend Focused Full Stack Developer, APIs, Authentication and Databases

  • FromNigeria
  • Member sinceMay 2022
  • Avg. response time1 hour
  • Languages

    English, German, French
Need a reliable backend for your web application? I'm Marcus, a backend-focused full stack developer specializing in API development, authentication, databases, and backend bug fixing. I help businesses and developers build REST APIs, implement secure authentication, integrate third-party services, and work with PostgreSQL, MySQL, and MongoDB. Whether you're building a new application or fixing an existing backend, I focus on clean, reliable, and maintainable solutions. Send me a message and let's discuss your project.