
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
Comprehensive CRM platform managing patient records, prescriptions, and pharmacy coordination with integrated call center operations for streamlined healthcare workflows.
Serverless Notification Architecture
Advanced serverless solution using AWS Lambda and EventBridge for automated patient-prescriber communication workflows with secure PDF generation and S3 storage.
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.
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.
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.
Technical Expertise
React.js
Leading frontend development with React.js for Insurance CRM and healthcare systems
ExpertNext.js
Full-stack applications with Next.js for school portals and admin systems
ExpertRedux
State management for complex healthcare applications with patient records
AdvancedReact Query
Advanced data fetching and caching for real-time patient data synchronization
AdvancedTanStack Query
Modern data fetching library for efficient server state management
AdvancedMaterial UI
Creating responsive UI components for healthcare management systems
AdvancedTailwind CSS
Utility-first CSS framework for building modern school portal interfaces
ExpertTypeScript
Type-safe development for enterprise applications and fee management systems
ExpertNode.js
Building scalable backend services for insurance and healthcare platforms
ExpertExpress.js
RESTful API development for healthcare systems and admin management
ExpertSequelize
ORM for SQL database management with clean architecture principles
AdvancedSQL Server
Primary database for Insurance CRM managing patient records and prescriptions
ExpertMongoDB
NoSQL database for Scrum Poker platform and School Portal systems
AdvancedAWS Lambda
Serverless functions for automated notifications and healthcare workflows
ExpertAWS S3
Cloud storage for PDF generation and document management systems
AdvancedAWS EventBridge
Event-driven architecture for patient-prescriber communication workflows
AdvancedDocker
Containerization for scalable deployment of healthcare applications
AdvancedClean Architecture
Architectural patterns for maintainable and scalable enterprise systems
ExpertRole-Based Access Control
Security implementation for multi-admin systems and user management
AdvancedAPI Integrations
External API integration including Five9, Jira, and pharmaceutical APIs
ExpertServerless Applications
Building scalable serverless solutions for healthcare notifications
AdvancedCommitted to continuous learning and staying current with emerging technologies. Focused on writing clean, maintainable code and building scalable solutions.
Professional Journey
Building scalable solutions and driving innovation across healthcare and enterprise platforms
AllZone Technologies
Full Stack Developer
Built and scaled insurance and healthcare platforms, delivering CRM, real‑time communications, serverless workflows, and admin tooling across distributed teams.
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.