Muhammad
Khuzaim Sajjad
Cross-Platform & Mobile Systems Engineer
I specialize in crafting high-performance, cross-platform mobile applications using Flutter, React Native, and Swift. Backed by scalable backend architecture (Node.js, MongoDB), my focus is on sub-60ms response times, pixel-perfect layout execution, and robust modular engineering.
The Developer Behind the Code
I'm Muhammad Khuzaim Sajjad, a software engineer based in Pakistan, specializing in building high-performance, cross-platform mobile products.
With over 2+ years of hands-on experience in mobile app development, I have delivered production-grade apps using Flutter, Dart, and React Native, ranging from local utilities to robust service systems.
I believe in clean architectures, modular backend integrations, and precise frontends. From database schemas to micro-interactions, everything should serve the user experience.
Education
Bachelors of Engineering in Software Engineering
View Details →Karachi Institute of Economics & Technology (KIET)
2022 — 2026
Started the Journey
Began my Bachelors in Software Engineering and started learning programming fundamentals.
Discovered Mobile Systems
Deep-dived into Flutter & Dart, building my first cross-platform applications.
Production App Deliveries
Shipped multiple production apps including Rydo (ride hailing) and MediMeet (healthcare booking).
Full-Stack Scale
Built end-to-end full-stack architectures (Node.js, MongoDB) and launched Travio.
Clean Architecture
Structured, maintainable codebases built with solid engineering patterns.
Pixel-Perfect UI
Meticulous focus on transitions, spacing, alignment, and responsiveness.
Scalable Backend
RESTful APIs, custom database architectures, and secure server logic.
Cross-Platform
One single codebase delivering high-performance native-feel experiences.
Work Experience
Milestones of my professional career, showcasing software engineering, mobile development, and enterprise integrations.
Odoo Explorer / Intern
Pakistan Aeronautical Complex (PAC) Kamra
Explored Odoo ERP enterprise modules, configurations, and customization capabilities. Gained hands-on exposure to database management and business process automation.
SwiftUI Developer Intern
Pakistan International Airlines (PIA)
Worked on native iOS app interfaces using SwiftUI. Designed responsive screens, integrated data models, and collaborated on improving user experience for internal apps.
Software Engineer (Full-Time)
Hashmi Innovations
Led cross-platform mobile application development. Engineered apps using Flutter, FlutterFlow, and React Native. Built robust backends with Node.js, REST APIs, and MongoDB, and integrated 2D/3D visual modules with Unity.
Core Stack &
Engineering Philosophy
My development approach is centered on separating concerns cleanly. The interactive orbit maps how UI runtimes connect to system services, backends, and deployment tools.
SYSTEM BLUEPRINT // CLEAN ARCHITECTUREClick layers to expand
"Clean architecture decouple systems, ensuring that UI components stay completely agnostic of server mutations, resulting in testable and highly adaptable systems."
Selected Case Studies
An in-depth look at production apps and personal modules. Inspect interactive screens and modular design blueprints.
KhabarIsTan
Explore the world with premium news delivery.
Khabaristan
A premium, high-performance Flutter news application delivering real-time global feeds. Features clean architectural patterns, category filtering, offline database caching, and responsive UI.
Welcome Back
Sign in to continue to Rydo
Rydo
A professional-grade car hauling and logistics platform built with Flutter. Enables transport companies to easily coordinate vehicle dispatches, booking pipelines, and driver logs.
Travio
An ambitious travel super app merging functionality of Booking.com, Uber, and Trip.com into one unified, responsive platform.
MediMeet
A comprehensive healthcare application connecting patients with doctors. Appointment scheduling, doctor profiles, and health records management.
DealZone
A high-performance e-commerce application inspired by Amazon. Supports user authentication, product catalogs, shopping carts, and checkouts.
Rolling Wheel
An immersive 3D mobile game built with Unity. Features touch controls, procedural obstacle spawning, and high-FPS mobile device optimizations.
GitHub Profile
Explore my repositories, contributions, and open-source work on GitHub.
Choudhary-Khuzaim
Muhammad Khuzaim Sajjad
8
Repositories
8+
Technologies
Featured Repositories
Flutter news app with REST API integration
Car hauling app with dispatches and loads management
All-in-one travel platform — 3 apps merged
Medical appointment & health management
Amazon-like online shopping app with Stripe checkout
Unity 3D endless runner mobile game in C#
Let's build
something together
Whether you want to discuss a new mobile system, need advice on architecture, or have a role that matches my skills, drop me a message. I usually reply within 24 hours.