I don’t just code, I create experiences.
When I wrote my first line of code, it wasn’t perfect — but it worked. That small moment of creation taught me something powerful: technology isn’t just about logic, it’s about emotion.
Today, I focus on building apps that don’t just function, but feel right — smooth, intuitive, and made to connect with people.
Technical Skills:
• Flutter & Dart
• RESTful APIs integration
• Firebase (Auth, Firestore, Cloud Messaging)
• Local databases (Sqflite, Shared Preferences)
• State management (GetX, Bloc, Provider)
• Video streaming & media handling
• Background services & notifications
• App Store & Play Store deployment
• Git & version control
• Clean architecture & modular code structure
• Google Maps integration & location services
• Payment gateway integration (Stripe, PayPal, etc.)
• Responsive UI & adaptive design
• Performance optimization & caching
• Error handling & logging
• Custom animations & UI transitions
• Working with third-party APIs & SDKs
Soft Skills :
• Strong problem-solving and debugging skills
• Attention to detail and clean code practices
• Creativity in UI/UX design
• Excellent communication and teamwork
• Fast learner and adaptable to new technologies
• Time management and project ownership
• Focused on delivering high-quality results
Let’s connect and create apps that are fast, intuitive, and built to impress.
Flutter
Firebase
Mobile App Development
Mobile App
Mobile App Design
iOS Development
Android App
Push Notifications
API Integration
Payment Gateway
API
Khaled D.
Gaza, Palestinian Territories
$25/hr
5.0
79 jobs
I build complete products — from the mobile app your users touch to the backend, database, and server infrastructure behind it. One developer, end to end, no coordination overhead.
Over 66 completed Upwork projects (100% Job Success, 5.0★), I've shipped apps for medical companies, marketplaces, and startups across Europe and the Gulf.
What I deliver:
* Mobile apps — Flutter, React Native, and native Android, from MVP to production apps serving thousands of weekly active users
* Backend & APIs — Python, C#/.NET, REST APIs, Firebase (Auth, Analytics, Crashlytics, Cloud Functions)
* Infrastructure — Linux server setup and administration (Hetzner, VPS), deployment, monitoring
* The unglamorous parts that make products succeed — payment integrations (PayTabs, Paymob), multilingual/RTL support (Arabic, German, French, English), analytics dashboards, crash monitoring
Currently maintaining a production app for a German medical company — so I'm comfortable with professional standards: clean code, clear communication, and deadlines that hold.
How I work: I respond fast, give honest estimates, and flag problems early instead of hiding them. Check my reviews — clients come back.
Let's discuss your project. Send me a message with what you're building.
Flutter
Dart
Firebase
Mobile App Development
SQLite
XML
User Authentication
Push Notifications
Native App Development
Map Integration
Android App Development
QR & Barcode Scanner
Google Maps
API Integration
Hisham Z.
Gaza, Palestinian Territories
$15/hr
5.0
2 jobs
Mobile applications should do more than look good—they should solve real business problems, streamline operations, and grow with your business.
I'm a Flutter Mobile App Developer with 4+ years of professional experience helping clients build, maintain, and improve Android and iOS applications. I transform ideas and business requirements into production-ready mobile solutions that are reliable, scalable, and built for long-term success.
I've contributed to 10+ mobile applications across e-commerce, merchant management, order management, legal services, productivity tools, and custom business platforms. From translating Figma designs into responsive Flutter interfaces to integrating REST APIs, Firebase, Google Maps, push notifications, local storage, and preparing applications for Google Play, I build solutions that perform reliably in real-world environments.
I'm comfortable joining projects at any stage—whether building a new application, extending existing functionality, or taking over ongoing development. I focus on implementing new features, integrating APIs, optimizing performance, resolving complex issues, and writing clean, maintainable code that supports future growth.
I believe successful projects are built through clear communication, taking ownership of my work, and understanding business goals. I collaborate closely with designers and backend developers to ensure every feature delivers value to both the client and the end user.
Whether you're building a new Flutter application, improving an existing product, or looking for a reliable developer to strengthen your team, I'd be happy to discuss how I can contribute to your project.
Flutter
Smartphone
Dart
Firebase
Mobile App Development
User Authentication
iOS
Android App Development
Android
API Integration
SQLite
iOS Development
App Development
Mobile App
MVC Framework
Deema T.
Gaza, Palestinian Territories
$12/hr
5.0
1 jobs
👋🏼 Greetings!
I am a Software Engineer and Data Specialist who works at the exact intersection of Mobile App Development and Advanced Data Analytics. I help organizations and businesses build high-performance mobile tools to collect data, and engineer the interactive dashboards needed to turn that data into clear, actionable decisions.
If you need a seamless ecosystem where data flows perfectly from a user's smartphone straight into an executive analytics dashboard, I am the specialized engineer you are looking for.
💡 What I Bring to the Table
📱 Expert Flutter App Development (Android & iOS)
Production-Ready Apps: Deployed and maintained applications on the Google Play Store with smooth UI and robust state management.
Clean Architecture: Built using Domain-Driven Design (DDD) concepts, ensuring your mobile codebase is scalable, organized, and easily maintainable.
Core Mobile Features: Advanced integration of Google Maps, Firebase, RESTful APIs, background services, offline data caching, and push notifications.
📊 Advanced Power BI & Data Engineering
Interactive Dashboards: Expert-level Power BI development, complex DAX modeling, and relational data architecture for operational reporting.
Smart Data Collection:Design and deployment of specialized field data collection tools (KoboToolbox, ODK) with strict data validation protocols.
Data Pipelines & Storage:Clean data manipulation using SQL databases, Firebase, and Python (Pandas/NumPy) for automated ETL processing.
---
🏆 Featured Deliverables & Case Studies
Survey Genius:A digital platform for field data collection and real-time survey analysis, featuring automated reporting modules designed for complex compliance and stakeholder reporting.
Enterprise Power BI Dashboards (Engineers Syndicate):Multi-sector interactive dashboards covering infrastructure mapping, resource tracking, and logistics analytics used by executive teams for strategic decision-making.
---
🛠 Tech Stack & Expertise
Mobile Development: Flutter & Dart, Cross-Platform Deployment (Android & iOS), Local Storage, Git.
Data & Analytics:Microsoft Power BI, DAX, Power Query, Data Modeling, Advanced MS Excel.
Backend & Databases: Firebase, SQL, MySQL, KoboToolbox, ODK, REST APIs.
Data Automation: Python (Pandas, NumPy for data cleaning and ETL pipelines).
---
## 🤝 Let’s Build Something Impactful
I look for solutions where mobile software performance meets strict data integrity. Whether you need a high-end analytics dashboard built from scratch, a robust mobile data collection tool, or a scalable cross-platform Flutter app, I am committed to delivering clean, reliable work.
Drop me a message, and let's discuss how we can bring your project to life!
Flutter
Dart
Firebase
Firebase Realtime Database
Firebase Cloud Firestore
GitHub
API
Database
HTML
Web UI
RESTful API
Adobe XD
CSS
UI Animation
Web Development
Abdullah A.
Gaza, Palestinian Territories
$24/hr
5.0
3 jobs
Mobile Application Developer | Flutter Developer | Huawei | Android | IOS Mobile Apps | Full-Stack & AI Solutions
Have an app idea but need the right developer to turn it into a real product?
I'm a Flutter Developer specialized in building high-quality Android and IOS applications that are fast, scalable, and ready for real users.
I don't just write code I focus on understanding your business goals, choosing the right architecture, and building an application that can grow with your needs.
My approach is based on clean, maintainable code using Flutter, Dart, and Clean Architecture, ensuring your app remains stable and easy to improve as new features are added.
Services I provide:
• Full Flutter app development for Android & iOS
• REST API integration and backend communication
• Firebase integration (Authentication, Firestore, Push Notifications)
• Maps and location-based services
• Payment gateway integration
• Local storage and offline capabilities
• App performance optimization
• Google Play Store and App Store deployment
I have experience building different types of applications, including:
• E-commerce applications
• Service and delivery platforms
• Business and company applications
• Educational applications
• Custom solutions based on specific business requirements
Technologies:
Flutter | Dart | Firebase | REST APIs | Bloc/Cubit | Clean Architecture | Maps Integration | Payment Integration | Push Notifications
Why clients choose to work with me:
• I take time to understand the product, not just the task
• Clear communication throughout the project
• Organized development process
• Clean and scalable code that supports future growth
Whether you are launching a new product, improving an existing application, or looking for a reliable Flutter developer for your team, I would be happy to discuss your project.
Let's build a mobile product that delivers real value.
Flutter
Dart
Mobile App Development
User Interface Design
Mobile App
UX & UI
Project Management
Mobile Development Framework
Information Technology
Web & Mobile Design Consultation
Android
iOS
Application
Laravel
API
Bahaa A.
Gaza, Palestinian Territories
$10/hr
4.7
6 jobs
#FlutterDev | #Dart | #iOSDev (Swift & SwiftUI) | #AndroidDev (Jetpack Compose) | #CrossPlatform | #MobileApps
Hey! 👋 I’m a Flutter & Dart developer who builds fast, smooth mobile apps for both Android and iOS. All from one codebase. I also dive into native when needed, using Swift/SwiftUI for iOS and Jetpack Compose for Android.
I don’t just code. I craft high-performance apps with:
✔ Clean UI/UX that users love
✔ Seamless backend integration (Firebase, REST APIs, etc.)
✔ Optimized performance with no lag or crashes
✔ Full publishing support for the Play Store and App Store
Let’s turn your app idea into reality. Polished, scalable, and ready for users.
#MobileDevelopment #AppDeveloper #FlutterApps #SwiftUI #Kotlin #CleanCode #TechForStartups #Freelance
Flutter
Dart
Firebase
Java
JavaScript
iOS Development
Swift
Android
Node.js
MongoDB
MySQL
SwiftUI
REST API
Git
QA Testing
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