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You will get a robust, documented REST API connected to a secure database system

Guillermo S.Status: Offline
Guillermo S.
Preview image

Let a pro handle the details

Buy Web Application Programming services from Guillermo, priced and ready to go.
Guillermo S.Status: Offline
Guillermo S.
Preview image

Let a pro handle the details

Buy Web Application Programming services from Guillermo, priced and ready to go.

Project details

You will get a clean, secure, and scalable REST API tailored to your specific data and operations, fully documented and ready for production. I build APIs using modern frameworks like FastAPI or Node.js, following best practices for authentication, error handling, and performance.

Your API will be connected to a real database (PostgreSQL, MongoDB, MySQL, etc.), designed with a clear and extensible data model. Whether you need a simple CRUD service or a full authentication system with roles and tokens, I’ll deliver a backend solution that's solid, maintainable, and easy to integrate with your frontend or external apps.

With experience creating APIs for telecom and automation projects at scale, I ensure reliability and developer-friendly documentation every time.
Programming Languages
JavaScript, Python, TypeScript
Coding Expertise
Performance Optimization, Security, Design
What's included
Service Tiers Starter
$100
Standard
$170
Advanced
$300
Delivery Time 4 days 6 days 8 days
Number of Revisions
123
Design Customization
Content Upload
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-
Responsive Design
Source Code
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Frequently asked questions

Guillermo S.Status: Offline

About Guillermo

Guillermo S.Status: Offline
Fullstack Developer | React, APIs, AI Automation, Custom Dashboards
Batres, Spain - 10:59 am local time
I love turning complex ideas into smooth, scalable systems — think APIs, automation, and backend magic all bundled into clean, as-a-service solutions. Whether it’s building tools, fixing chaos, or making your processes run like butter, I’m the kind of dev who brings logic, structure… and a bit of fun to the table.

Steps for completing your project

After purchasing the project, send requirements so Guillermo can start the project.

Delivery time starts when Guillermo receives requirements from you.

Guillermo works on your project following the steps below.

Revisions may occur after the delivery date.

Define scope and data model

I'll review your requirements and confirm the resources, operations, and database structure for your API.

Set up project structure and endpoints

I’ll build the API structure, routes, and basic logic using FastAPI or Node.js, depending on your tech preference.

Review the work, release payment, and leave feedback to Guillermo.