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JahanzaibJameel/README.md
Muhammad Jahanzaib - Frontend and Mobile Engineer
Typing animation showing key skills



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About Me

I build frontends and mobile apps that are fast, accessible, and a genuine joy to maintain. My work sits at the intersection of performance, clean architecture, and user‑centered design — currently focused on React Native and Next.js.


What I Do

  • Build fast, scalable web applications with React, Next.js, and TypeScript
  • Create performant cross‑platform mobile experiences using React Native and Expo
  • Design reusable component libraries and frontend architectures that scale across teams
  • Optimize Core Web Vitals, bundle sizes, and perceived performance for production apps
  • Collaborate end‑to‑end — from design handoff to deployment — shipping features that matter

Selected Experience

Frontend Developer @ Apprex Systems

Jan 2024 – Present

Key Responsibilities

  • Developed responsive and reusable UI components with React and Tailwind CSS.
  • Built and maintained scalable frontend architectures for production applications.
  • Implemented authentication flows, API integrations, and state management solutions.
  • Optimized application performance, loading speed, and user experience across devices.
  • Collaborated with designers and backend developers to deliver new features and improve existing products.
  • Fixed bugs, improved code quality, and maintained clean, maintainable codebases.
  • Participated in deployment workflows using Git, GitHub, Vercel, and related modern development tools.

Tech Stack


GitHub Activity


Currently Exploring

I’m diving deep into offline‑first React Native architectures because I believe the next generation of mobile apps must feel native even on unreliable networks.

  • Advanced React Native Architecture (JSI, Turbo Modules)
  • Expo Ecosystem & EAS Build/Submit workflows
  • Offline‑First Applications (WatermelonDB, MMKV)
  • Mobile Performance Optimization (Reanimated 2, Hermes profiling)

Let's Connect


Building scalable digital experiences with performance-focused engineering.

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  1. Messaging-Application Messaging-Application Public

    ChatApp 2026 is a production-ready, WhatsApp-style messaging application built with Clean Architecture, offline-first synchronization, and premium UI/UX. This repository demonstrates enterprise-gra…

    TypeScript 3

  2. -React-Native-Video-Editor -React-Native-Video-Editor Public

    A production-grade, TikTok/CapCut-level video story editor built entirely in React Native with cutting-edge performance and professional features.

    TypeScript 9

  3. Financial-Analysis-Calculator Financial-Analysis-Calculator Public

    Modern AI-powered financial analysis calculator built with Next.js 16, TypeScript, Tailwind CSS and OpenAI.

    TypeScript 2

  4. HyperVerse HyperVerse Public

    Offline-first React Native and Expo life-tracking app. Verified status, measured results, and known limitations.

    TypeScript 3

  5. Lumora-photogallery-App Lumora-photogallery-App Public

    Lumora combines smooth performance, privacy-first design, and a thoughtful user experience to create a gallery that feels alive. Smart album organization, a full-screen immersive viewer, and in-app…

    TypeScript 3

  6. NeuroFlow---Enterprise-AI-SaaS-Platform NeuroFlow---Enterprise-AI-SaaS-Platform Public

    NeuroFlow is a production-grade, enterprise-ready AI SaaS platform that transforms how businesses leverage generative AI. Built with Next.js 15, TypeScript, and the Vercel AI SDK, it delivers:

    TypeScript 3