You will get Full Authentication: Email, Google, Facebook and GitHub for Your App

Nerlin M.Status: Offline
Nerlin M.

Let a pro handle the details

Buy Web Application Programming services from Nerlin, priced and ready to go.
Nerlin M.Status: Offline
Nerlin M.

Let a pro handle the details

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

Project details

I design authentication & authorization systems using Node.js, TypeScript & NestJS, ensuring JWT (HTTP-only cookies), OAuth2 & Redis for scalable session management.
To enhance security and usability, I integrate a modern front-end with Next.js, React, and Tailwind CSS, providing a seamless UI/UX for login flows, multi-provider authentication (Google, GitHub, Facebook), and RBAC (role-based access control).
Quality is ensured with Jest & SuperTest, while CI/CD, Docker & Kubernetes optimize deployment and scalability.
With this approach, I deliver a fully functional authentication solution, from backend security to frontend user experience, ready for enterprise-grade applications.
Programming Languages
JavaScript
Coding Expertise
Cross Browser & Device Compatibility, Performance Optimization, Security
What's included
Service Tiers Starter
$149
Standard
$349
Advanced
$699
Delivery Time 5 days 10 days 15 days
Number of Revisions
235
Number of Pages
111
Design Customization
Content Upload
Responsive Design
Source Code
Optional add-ons You can add these on the next page.
Fast Delivery
+$40 - $149
Additional Revision
+$50
Additional Page (+ 1 Day)
+$30
Adonis.js Refactoring with Fastify – Enterprise Optimization (+ 4 Days)
+$499
Adonisjs Refactoring – Optimization for Security and Scalability (+ 4 Days)
+$300
Adonis.js Refactoring – Backend Optimization (Starter Plan) (+ 2 Days)
+$150

Frequently asked questions

Nerlin M.Status: Offline

About Nerlin

Nerlin M.Status: Offline
Full-stack Authentication Specialist & Microservices
Chivasso, Italy - 6:20 pm local time

Ciao!
Sono un Backend Developer specializzato in architetture a microservizi e in sistemi di autenticazione sicura.

Il mio stack principale include Node.js NestJS/NextJS/Tailwind css/React, con PostgreSQL/MongoDB e Redis per la gestione dei dati e delle sessioni. Implemento sistemi robusti di autenticazione e autorizzazione usando JWT e OAuth2.0, MFA (2FA), Passport,seguendo sempre le best practices in termini di sicurezza.

Mi concentro molto sulla qualità del codice: uso ESLint, Husky, Joi e Jest per validazioni, linting e test Unitari, automatizzati e test e2e. Questo mi permette di scrivere codice pulito, scalabile e facile da manutenere.

Sono disponibile per collaborazioni sia su progetti già avviati che per sviluppi da zero. Se cerchi affidabilità, chiarezza e orientamento al risultato, sarò felice di contribuire al successo del tuo progetto!

A presto,
Nerlin Makaya Nsimba

Steps for completing your project

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

Delivery time starts when Nerlin receives requirements from you.

Nerlin works on your project following the steps below.

Revisions may occur after the delivery date.

Analysis & Setup

Defining authentication requirements & configuring NestJS, Next.js, TypeScript, PostgreSQL & MongoDB. Implementing a responsive login UI with Tailwind CSS & NextAuth.js.. Structuring authentication, OAuth2 & session management for scalable user

Architecture & Security

Authentication implementation with Passport (JWT with HTTP-only cookies) & OAuth2, MFA(2FA) integration for secure identities between microservices API protection with Helmet, CORS, OWASP ZAP automation

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