Zain Ul Abideen

Zain Ul Abideen

Full Stack Developer

Full‑stack developer focused on meaningful outcomes across insurance and healthcare. I design straightforward architectures, build reliable real‑time systems, and deliver resilient serverless workflows. Core stack: React/Next.js, Node.js, SQL Server, MongoDB, and AWS (Lambda, EventBridge, S3).

Selected Projects

Insurance & Healthcare CRM
01

Insurance & Healthcare CRM

Comprehensive CRM platform managing patient records, prescriptions, and pharmacy coordination with integrated call center operations for streamlined healthcare workflows.

React.jsReduxNode.jsExpress.jsSQL ServerAWS Lambda
Serverless Notification Architecture
02

Serverless Notification Architecture

Advanced serverless solution using AWS Lambda and EventBridge for automated patient-prescriber communication workflows with secure PDF generation and S3 storage.

AWS LambdaAWS EventBridgeAWS S3Node.jsExpress.jsPDF Generation
Multi-Admin Management Dashboard
03

Multi-Admin Management Dashboard

Enterprise-grade admin system with Clean Architecture, Redis caching, and unified permission management across distributed services for enhanced security and scalability.

Next.jsRedisNode.jsExpress.jsClean ArchitectureRole-Based Access Control
Scrum Poker - Agile Estimation Platform
04

Scrum Poker - Agile Estimation Platform

Collaborative estimation platform built with MongoDB enabling teams to create rooms, import Jira tasks, vote in real-time, and assign story points efficiently.

MongoDBNode.jsExpress.jsWebSocketsReal-time CommunicationTask Management Integration
School Portal - Fee Management System
05

School Portal - Fee Management System

Modern role-based fee management platform built with Next.js, TypeScript, and MongoDB featuring automated voucher lifecycle, analytics dashboards, and export functionality.

Next.jsTypeScriptMongoDBReact Hook FormZod ValidationTailwind CSS

Technical Expertise

Frontend
React.js

React.js

Expert

Leading frontend development with React.js for Insurance CRM and healthcare systems

Expert
Next.js

Next.js

Expert

Full-stack applications with Next.js for school portals and admin systems

Expert
Redux

Redux

Advanced

State management for complex healthcare applications with patient records

Advanced
React Query

React Query

Advanced

Advanced data fetching and caching for real-time patient data synchronization

Advanced
TanStack Query

TanStack Query

Advanced

Modern data fetching library for efficient server state management

Advanced
Material UI

Material UI

Advanced

Creating responsive UI components for healthcare management systems

Advanced
Tailwind CSS

Tailwind CSS

Expert

Utility-first CSS framework for building modern school portal interfaces

Expert
TypeScript

TypeScript

Expert

Type-safe development for enterprise applications and fee management systems

Expert
Backend
Node.js

Node.js

Expert

Building scalable backend services for insurance and healthcare platforms

Expert
Express.js

Express.js

Expert

RESTful API development for healthcare systems and admin management

Expert
Sequelize

Sequelize

Advanced

ORM for SQL database management with clean architecture principles

Advanced
Database
SQL Server

SQL Server

Expert

Primary database for Insurance CRM managing patient records and prescriptions

Expert
MongoDB

MongoDB

Advanced

NoSQL database for Scrum Poker platform and School Portal systems

Advanced
DevOps
AWS Lambda

AWS Lambda

Expert

Serverless functions for automated notifications and healthcare workflows

Expert
AWS S3

AWS S3

Advanced

Cloud storage for PDF generation and document management systems

Advanced
AWS EventBridge

AWS EventBridge

Advanced

Event-driven architecture for patient-prescriber communication workflows

Advanced
Docker

Docker

Advanced

Containerization for scalable deployment of healthcare applications

Advanced
Tools
Clean Architecture

Clean Architecture

Expert

Architectural patterns for maintainable and scalable enterprise systems

Expert
Role-Based Access Control

Role-Based Access Control

Advanced

Security implementation for multi-admin systems and user management

Advanced
API Integrations

API Integrations

Expert

External API integration including Five9, Jira, and pharmaceutical APIs

Expert
Serverless Applications

Serverless Applications

Advanced

Building scalable serverless solutions for healthcare notifications

Advanced

Committed to continuous learning and staying current with emerging technologies. Focused on writing clean, maintainable code and building scalable solutions.

Experience

Professional Journey

Building scalable solutions and driving innovation across healthcare and enterprise platforms

#01

AllZone Technologies

Full Stack Developer

Sep 2022 - Present
Lahore, Pakistan

Built and scaled insurance and healthcare platforms, delivering CRM, real‑time communications, serverless workflows, and admin tooling across distributed teams.

React.js
Next.js
TypeScript
Redux
TanStack Query
Node.js
Express.js
SQL Server

Delivered CRM modules for patient records and prescription workflows using React, Redux, Node, and SQL Server

Integrated Five9 to streamline call center operations and improve customer experience

Launched real‑time patient–prescriber messaging with reliable uptime using WebSockets

Architected serverless notification pipelines with AWS Lambda and EventBridge to reduce infrastructure overhead

Built secure PDF generation with S3 storage to shorten document turnaround

Unified external pharmaceutical APIs into a single drug catalog with normalized search

Shipped multi‑admin dashboards with Redis caching for faster load times and high concurrency

Hardened access with RBAC to reduce unauthorized access

Let's Connect

Ready to bring your ideas to life? Let's discuss how we can work together to create something amazing.

0/1000 characters