You will get I will develop a secure and scalable Node.js REST API with JWT


Project details
I develop secure, scalable, and production-ready REST APIs using Node.js and Express.
This service is focused on building clean backend architectures with proper authentication, structured code, and real-world security practices. Whether you need a secure JWT-based authentication system or OAuth2 integration, your API will be built with performance, maintainability, and scalability in mind.
What sets this service apart:
• Clean and organized project structure
• Secure JWT authentication (access & refresh tokens)
• Role-based authorization
• Optional OAuth2 integration
• Database integration (MongoDB or PostgreSQL)
• Production-ready configuration
I don’t just deliver code — I deliver backend systems that are ready to integrate, scale, and deploy.
If you’re unsure about technical decisions, I will guide you toward the best architecture for your project.
This service is focused on building clean backend architectures with proper authentication, structured code, and real-world security practices. Whether you need a secure JWT-based authentication system or OAuth2 integration, your API will be built with performance, maintainability, and scalability in mind.
What sets this service apart:
• Clean and organized project structure
• Secure JWT authentication (access & refresh tokens)
• Role-based authorization
• Optional OAuth2 integration
• Database integration (MongoDB or PostgreSQL)
• Production-ready configuration
I don’t just deliver code — I deliver backend systems that are ready to integrate, scale, and deploy.
If you’re unsure about technical decisions, I will guide you toward the best architecture for your project.
Programming Languages
JavaScript, TypeScriptCoding Expertise
Performance Optimization, SecurityWhat's included
| Service Tiers |
Starter
$150
|
Standard
$250
|
Advanced
$450
|
|---|---|---|---|
| Delivery Time | 5 days | 7 days | 10 days |
Number of Revisions | 1 | 2 | 3 |
Number of Pages | 1 | 1 | 1 |
Design Customization | - | - | - |
Content Upload | - | - | - |
Responsive Design | - | - | - |
Source Code |
Optional add-ons
You can add these on the next page.
Fast Delivery
+$40 - $120
Additional Revision
+$25
OAuth2 Implementation
(+ 2 Days)
+$180Frequently asked questions
About Carola
Full-Stack JavaScript Developer | React, Node.js, APIs & AI Integratio
Corrientes, Argentina - 10:06 am local time
I help startups, founders, and small teams build, fix, and improve web applications using React, Node.js, Express, and modern AI APIs.
I’m a good fit if you need help with:
• Fixing bugs in React or Node.js apps
• Building REST API endpoints
• Creating authentication flows with JWT or OAuth
• Connecting frontend apps to backend APIs
• Integrating OpenAI, Gemini, or other AI APIs
• Improving existing MVPs or prototypes
• Setting up MongoDB or PostgreSQL database logic
• Deploying small apps to Vercel, Render, or similar platforms
My main stack:
• React
• Node.js + Express
• MongoDB / PostgreSQL
• REST APIs
• JWT / OAuth authentication
• AI API integrations
• LangChain basics
• Git / GitHub
I like working on clear, practical tasks with defined deliverables. Before starting, I’ll help clarify the scope, estimate the work, and explain the next steps in simple terms.
If you need a reliable developer to fix, build, or improve a specific part of your app, feel free to send me a message.
Steps for completing your project
After purchasing the project, send requirements so Carola can start the project.
Delivery time starts when Carola receives requirements from you.
Carola works on your project following the steps below.
Revisions may occur after the delivery date.
– Requirements Review
I carefully review your project requirements, clarify technical details, and define the backend architecture.
– Architecture & Setup
Project structure setup, environment configuration, and database connection.

