🚀 Flutter Developer | 3+ Years of Experience | Mobile App Specialist

I'm a passionate Flutter & Dart developer with 3 years of professional experience, having delivered 15+ real-world projects for national & international clients. Currently working at App Sustain Pvt Ltd (UK-based company), building high-quality mobile solutions.

• 🎓 Graduated from the University of Sargodha (UOS), Punjab, Pakistan with a BS in Information Technology (IT)
• 🌍 Open-source enthusiast — all my public repos are free to use
• 📱 Specialized in Flutter & Dart for cross-platform apps
• 🏆 Experience: 15+ projects (E-Commerce, FinTech, Health, News, Utility, Banking, Streaming, AI, Religious, and more)
• 🤝 Worked with national & international clients
• 💡 Strong focus on clean architecture, state management, and performance

Here are some of my highlighted open-source works:

Tech Stack: Django, JavaScript, Bootstrap
🛒 A full-featured e-commerce website with dynamic cart, checkout system, and order tracking.

Tech Stack: Flutter, Firebase
🗞️ Real-time news app with onboarding screens, authentication, and user profiles.

Tech Stack: Flutter, REST API
🌍 Track global and country-wise COVID-19 statistics with live data visualization.

Tech Stack: Flutter, Hive, Sqflite
🛍️ Offline-first e-commerce mobile app featuring product management and local storage.

Tech Stack: Flutter, Firebase, Provider
🏦 A modern fintech mobile app offering digital banking and finance management features.

Tech Stack: HTML, CSS, Bootstrap
🧠 A responsive tech blogging website built using Bootstrap with elegant UI components.

Tech Stack: Django, HTML, CSS
📝 A Django-based web app for text analysis, case conversion, and whitespace management.

Tech Stack: Node.js, Express.js, MongoDB
📘 Comprehensive backend course with REST APIs, CRUD operations, and project-based learning.

Tech Stack: Django REST Framework
🧩 Learn how to build and secure APIs with Django REST Framework, including models, auth, and CRUD.

Tech Stack: Flutter, Node.js, REST API
📰 A complete Flutter news app integrated with backend APIs for live content updates.

Tech Stack: Python, Tkinter, SpeechRecognition
🗣️ AI assistant with voice and text commands for news, weather, and music—built using Python.

Tech Stack: Flutter, REST API
☁️ Real-time weather app showing 24-hour forecasts, 7-day trends, wind, and humidity for all cities.

Alongside the above, I’ve also built:

• 📺 Live Streaming Apps (interactive video platforms)
• 🎥 Video Streaming Apps (YouTube/Netflix-like)
• 📡 Audio & Video Calling Apps (ZegoCloud integration)
• 💬 Live Chatting Apps (real-time messaging)
• 🤖 AI Chatbots (integrated with APIs & ML models)
• 📖 Religious Apps (Islamic content, prayer times, Quran apps, Christian Community apps)
• ❤️ Dating Apps (secure, real-time matching & chat)
• 🌍 Multi-category Utility Apps (health, productivity, finance, more)

👉 Explore more in my repositories.

• 💼 Company: App Sustain LLC (UK-based)
• 📧 Email: [email protected]
• 📱 WhatsApp: +92 320 7539323
• 🌐 LinkedIn: linkedin.com/in/usman-bin-khalid

⭐ All my repositories are open-source — feel free to explore, use, or contribute!