Abd Allah Karajay

Full-Stack & Mobile Software Engineer

Transforming ideas into production-ready applications. Specialized in Flutter, Laravel, Spring Boot, and Django. Building scalable solutions from concept to deployment.

Abd Allah Karajay

About Me

Passionate developer building innovative solutions

Freelance full-stack engineer and co-founder of TechSauce, delivering custom systems for clients across education, e‑commerce, logistics, real estate and manufacturing. I take projects from idea to production: gathering requirements, designing architecture, leading small teams, implementing mobile & web apps, building back-ends, setting up CI/CD and deploying to AWS / VPS and app stores.

Experienced in client communication, planning and delivering projects on schedule. I'm passionate about writing clean, maintainable code and creating solutions that make a real impact.

10+
Projects Delivered
3+
Years Experience
5+
Technologies
100%
Client Satisfaction

Skills & Technologies

Technologies I work with

Languages & Frameworks

Dart (Flutter) PHP (Laravel) Java (Spring Boot) Python (Django) JavaScript/TypeScript Next.js

Mobile & Front-End

Flutter (Android, iOS, Web) Flutter Web React Next.js Tailwind CSS

Back-End & APIs

Laravel (REST APIs) Laravel Sanctum Spring Boot Django Supabase

Databases

PostgreSQL MySQL

DevOps

Docker Docker Compose GitLab CI/CD AWS App Runner AWS ECR VPS + Nginx SSL Configuration

App Store Management

Google Play Console Apple App Store Builds & Releases App Listings

Featured Projects

Projects I've built and delivered

Focus - University Quiz App

iOS Application

A comprehensive quiz platform with QR-code-based subscriptions for universities. Complete solution from architecture to App Store deployment.

Flutter Laravel Filament iOS
  • QR-code subscription system
  • Quiz management platform
  • Team leadership & architecture design
  • Apple App Store deployment

Property Rental System

Multi-Platform Application

Complete property rental solution with separate apps for renters and landlords, plus admin panel. Features dynamic property categories with custom fields.

Flutter Laravel Admin Panel
  • Renter & landlord mobile apps
  • Dynamic property categories
  • Custom field system
  • Reservation management

Klusbedrijf - Task Management

iOS + Web Application

Trello-style task management system with real-time collaboration. Supports projects, boards, and tasks with user invitation system.

Flutter Flutter Web Supabase Real-time
  • Real-time project & board management
  • Task tracking system
  • User invitation system
  • Cross-platform (iOS & Web)

Tickt - Transportation Management

Logistics System

Comprehensive logistics management system for routes, drivers, vehicles, and orders. Streamlined transportation operations.

Flutter Laravel Logistics
  • Route management
  • Driver & vehicle tracking
  • Order processing system
  • Complete logistics workflow

Printing Factory System

Backend System

Django + PostgreSQL backend for order workflows integrated with Flutter front-ends. Significantly reduced manual processes.

Django PostgreSQL Flutter
  • Order workflow management
  • Process automation
  • Flutter front-end integration
  • Efficiency improvements

Savy Market

E-Commerce Platform

Multi-app grocery system with customer and merchant apps. Spring Boot backend supporting ~12 active stores processing 2-4 orders/day.

Flutter Spring Boot PostgreSQL Docker
  • Customer & merchant apps
  • Multi-store support
  • Order processing system
  • CI/CD pipeline management

Work Experience

My professional journey

Co-Founder & Software Engineer

TechSauce (Side Business)
Aug 2023 – Present

Built custom systems for clients across multiple domains. Designed back-end architectures, led small dev teams, implemented Flutter apps and Laravel/Django back-ends, managed CI/CD pipelines and deployments to cloud servers and app stores.

Software Consultant & Engineer

Savy Market
Jul 2025 – Present

Maintain and extend a multi‑app grocery system (customer & merchant apps). Manage Spring Boot + PostgreSQL backend, Docker and CI/CD pipelines and app store releases. System supports ~12 active stores and processes 2–4 orders/day in Damascus.

Software Engineer

Si Leaders
Nov 2023 – Jul 2025

Core engineer on Savy Market from inception. Built customer and merchant apps in Flutter, helped design Spring Boot backend and PostgreSQL schema for products, orders and invoices, and supported deployment and initial app store releases.

Software Engineer

WCare
Jun 2023 – Nov 2024

Developed features and screens in Flutter apps integrated with Spring Boot back‑ends. Worked closely with back‑end team on API contracts and troubleshooting.

Education

Academic background

Damascus University

Bachelor of Information Technology
2021 – 2026 (expected), Damascus, Syria
Academic Project: Cleaning Services Booking App – built Flutter client and Laravel/Filament back‑end with booking flows, authentication and admin panel.

Get In Touch

Let's work together on your next project

Location
Damascus, Syria
LinkedIn
Connect with me

Ready to start a project?

Feel free to reach out via email or LinkedIn. I'm always open to discussing new opportunities and interesting projects.