Shabab Haider — Co-founder of Devzenza, Full-Stack React Developer Pakistan

linkedin.com/in/shabab-haider000 hello@devzenza.com devzenza.com

Co-founder · Devzenza · Pakistan

Shabab Haider

Senior Full-Stack Engineer — React & Next.js Specialist

Shabab Haider is the Co-founder of Devzenza and a senior Full-Stack developer with deep specialization in React, Next.js, and modern web application architecture. He leads engineering across the company's client projects — responsible for both frontend quality and backend system design.

Shabab's core expertise is React-based product engineering. He builds complex, data-intensive frontends that are performant, maintainable, and designed to scale. His work spans SaaS dashboards, AI-integrated web apps, scheduling platforms, and customer-facing portals — all built with production engineering standards.

On the backend, he architects and builds Node.js APIs, PostgreSQL data models, and authentication systems that support the full product lifecycle — from MVP validation to production scale.

React.jsNext.jsTypeScriptNode.jsFull-StackPostgreSQLAPI DevelopmentSaaS EngineeringPakistanAI Integration

Expertise

What Shabab Haider builds.

React & Next.js Application Development

Shabab builds production-grade web applications using React and Next.js — with server-side rendering, static generation, and App Router architecture. His frontend work is performant, accessible, and built for long-term maintainability. He has shipped dashboards, SaaS products, customer portals, and data-heavy interfaces.

Full-Stack System Architecture

Beyond the frontend, Shabab designs and builds the complete application stack — Node.js APIs, PostgreSQL schemas, authentication systems, and deployment pipelines. He takes a product-level view of architecture decisions, designing systems that grow with the product rather than requiring rewrites.

SaaS Product Engineering

Shabab leads engineering on Devzenza's SaaS product builds — handling multi-tenant architecture, subscription flows, user management, admin dashboards, and API design. He has built full SaaS products from scratch across multiple industries.

AI-Integrated Web Applications

He integrates AI capabilities — OpenAI streaming, retrieval-augmented generation, and intelligent UI components — directly into web products. His AI-integrated frontends are built to handle real-time streaming, error states, and production load from day one.

Technology Stack

The stack Shabab works with.

★ Primary Specialization

Frontend (Core Specialization)

React.js
Next.js
TypeScript
Tailwind CSS
Framer Motion
Redux / Zustand

Backend & APIs

Node.js
Express.js
REST APIs
FastAPI (Python)
GraphQL
WebSockets

Databases

PostgreSQL
MongoDB
Supabase
Redis
Prisma ORM

Authentication & Security

NextAuth.js
JWT
OAuth 2.0
Role-based access control

DevOps & Deployment

Vercel
AWS
Docker
GitHub Actions (CI/CD)
Nginx

AI Integration

OpenAI API
LangChain
Streaming responses
AI-powered UIs

Work

Representative projects.

SaaS / React

Multi-tenant SaaS Dashboard

Built a full multi-tenant SaaS application with Next.js, including workspace-level isolation, subscription billing, custom analytics dashboard, and a role-based admin panel.

AI / Next.js

AI Document Processing Platform

Developed a document intelligence platform with a React frontend, Node.js backend, and OpenAI API integration — supporting document upload, real-time AI analysis, and structured data extraction.

Web App

Healthcare Scheduling Platform

Full-stack scheduling system with a React web interface, complex availability logic, and a Node.js/PostgreSQL backend serving multiple clinic locations.

Client details available on request under NDA.