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I will develop custom android app using kotlin in android studio
Gul Hassan
Level 1
5.0
5.0
About this gig
Looking for an experienced Android app developer to build a modern, scalable, and high-performance mobile application?
You're in the right place.
I'm Gul Hassan, a Full Stack Software Engineer with 4+ years of experience developing production-ready Android applications using Kotlin and Java. I build clean, secure, and user-friendly apps tailored to your business requirements.
What I Can Build:
- Custom Android Apps
- Business Applications
- E-commerce Apps
- Social Media Apps
- AI-Powered Applications
- Healthcare Apps
- Education Apps
- Food Delivery Apps
- Booking Systems
- Existing App Updates
- Bug Fixing & Performance Optimization
Technologies & Features:
- Kotlin & Java
- Android Studio
- MVVM Architecture
- Firebase (Authentication, Firestore, Cloud Messaging)
- Room Database & SQLite
- REST API Integration
- Retrofit
- Google Maps & Location Services
- Push Notifications
- Payment Gateway Integration
- AdMob Integration
- Material Design UI
Why Choose Me?
- Clean & Maintainable Code
- Modern Architecture
- Performance Optimized
- Production-Ready Applications
- Complete Source Code
- Fast Communication
- On-Time Delivery
- Long-Term Support
Please contact me before placing an order so we can discuss your project requirements.
Get to know Gul Hassan
Gul Hassan
Full Stack Developer
Level 1
- FromPakistan
- Member sinceApr 2025
- Avg. response time1 hour
- Last delivery3 weeks
Languages
Urdu, English, Hindi, Punjabi
I'm Gul Hassan, a Full Stack Software Engineer with 4+ years of experience building Android apps and scalable backend systems. I specialize in Kotlin, Java,Python, FastAPI, Flask, Firebase, PostgreSQL, MongoDB, REST APIs, JWT authentication, and Docker. I've helped businesses develop production-ready mobile apps, secure APIs, and AI-powered solutions with clean, maintainable code. Let's turn your idea into a successful product.
FAQ
Can you develop my Android app from scratch?
Yes. I can develop your Android application from the ground up, from planning and UI implementation to backend integration, testing, and deployment. Whether it's an MVP, business application, or a complete production-ready app, I can help.
Can you work on my existing Android app?
Absolutely. I can add new features, fix bugs, optimize performance, modernize your UI, migrate to Kotlin, or improve your existing Android application while maintaining clean and scalable code.
Will I receive the complete source code?
Yes. Every completed project includes the complete source code, project files, and APK/AAB unless otherwise agreed before starting the project.
Can you integrate Firebase, REST APIs, or payment gateways?
Yes. I can integrate Firebase Authentication, Firestore, Cloud Messaging, REST APIs, Google Maps, Stripe, PayPal, and other third-party services based on your project requirements.
Can you publish my app on the Google Play Store?
Yes. I can help prepare your application for release and guide or assist with publishing it to the Google Play Store if required.
What do you need before starting the project?
A brief project description, required features, UI designs (if available), branding assets, and any existing source code or API documentation. If you don't have everything ready, I can help you plan the project.
Reviews
4 reviews for this Gig
| (4) | ||
| (0) | ||
| (0) | ||
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Rating Breakdown
- Seller communication level
- Quality of delivery
- Value of delivery
Sort By
Most relevant
D devtkworld
Turkey
I approved it and Hassan is helping me to push the changes to the site
$50-$100
Price
1 day
Duration
Helpful?L leroyfoster199
Repeat Client
Jamaica
Very Good at his area of expertise.
$50-$100
Price
2 days
Duration
Helpful?G grandadsipurpl
Repeat Client
South Africa
Very responsive and skilled. Looking forward to final refinements we discussed
Up to $50
Price
2 days
Duration
A 
Seller's Response
Helpful?G grandadsipurpl
Repeat Client
South Africa
Gul is the guy for your job ! Exceeded my expectation and is super quick with results.
Up to $50
Price
1 day
Duration
Helpful?
Reviews
4 reviews for this Gig
| (4) | ||
| (0) | ||
| (0) | ||
| (0) | ||
| (0) |
Rating Breakdown
- Seller communication level
- Quality of delivery
- Value of delivery
Sort By
Most relevant
D devtkworld
Turkey
I approved it and Hassan is helping me to push the changes to the site
$50-$100
Price
1 day
Duration
Helpful?L leroyfoster199
Repeat Client
Jamaica
Very Good at his area of expertise.
$50-$100
Price
2 days
Duration
Helpful?G grandadsipurpl
Repeat Client
South Africa
Very responsive and skilled. Looking forward to final refinements we discussed
Up to $50
Price
2 days
Duration
A Seller's Response
Helpful?G grandadsipurpl
Repeat Client
South Africa
Gul is the guy for your job ! Exceeded my expectation and is super quick with results.
Up to $50
Price
1 day
Duration
Helpful?
