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I will do mobile app development, ios app, android app, ai app as flutter app developer
Saifullah
Level 2
3 orders in queue
5.0
5.0
Gig Summary
What people loved about this freelancer
rhatik
United States
I truly appreciate your professionalism and expertise in guiding my project. Your support and kindness made a huge difference, and I highly recommend working with you!
ayoubouajj
France
Great team !! Mamun was really implicated on this project. He was easily available and really understandable. We are so happy to work with Mamun and his team....
najeewoods32
United States
Mamun is the best I’d refer him to anybody, he has a great team and they handle everything with well manner.
peasadmire
United States
He worked very efficiently and was easy to communicate with throughout the process. He addressed every concern promptly and made sure I was completely satisfied...
chrysanthous
Australia
It’s been fantastic working with Mamun. He brought the frontend of our Project Management Mobile App to life with precision and creativity, delivering a sleek and professional product we’re proud of.
About this gig
Hello, beautiful people!
I'm Saifullah, a professional mobile app developer with over 7 years of experience in mobile app development for both iOS and Android platforms. I specialize in AI-powered app development, creating high-performance and scalable applications using Flutter and React Native.
As an experienced Flutter developer, I build modern, responsive, and feature-rich applications that run smoothly across devices. My expertise includes iOS app development, cross-platform app development, website development and AI-integrated mobile solutions that help businesses transform their ideas into powerful digital products.
My Services:
- Custom Website and Mobile app Development
- AI Mobile App Development
- Flutter App Development
- Professional UI/UX design
- React Native App Development
- AI Chatbot & AI Agent Integration
- Figma to Flutter App Development
- App Testing and Quality Assurance
- App Deployment
- In-App Payment Integration
Why Choose Me?
- Timely Delivery
- 24/7 communication
- Unlimited revisions
Let's build something amazing together!
Click the "Contact Me" button to discuss your project and get a custom quote.
Get to know Saifullah
Saifullah
Turning ideas into high performance mobile apps
Level 2
- FromBangladesh
- Member sinceJul 2023
- Avg. response time1 hour
- Last delivery2 weeks
Languages
Bengali, English, Spanish, French
Hi, I'm Md. Saifullah Al Mamun, a mobile app developer with 7+ years of experience building high-performance iOS & Android applications. I have completed more than 500 mobile apps.
I've contributed to products featured on Google Play's Top 10 and the App Store. My expertise includes Flutter, Firebase, REST APIs, UI/UX implementation, MVP development, app optimization, and scalable AI mobile solutions.
I help startups and businesses turn ideas into fast, secure, and user-friendly mobile apps. My focus is on clean code, premium user experience, reliable communication, and on-time delivery.
Among my clients
Russend
My Portfolio
FAQ
What mobile app development services do you provide?
I offer complete mobile app development, including iOS app development, Android apps, Flutter app development, and React Native app development, along with testing and deployment.
Do you develop apps for both iOS and Android?
Yes. I build cross-platform apps using Flutter and React Native, so your app works smoothly on both iOS and Android devices.
Can you build AI-powered mobile apps?
Yes. I develop AI-powered mobile apps, including AI chatbots and AI agents, integrated into modern app development solutions.
Can you convert Figma designs into a mobile app?
Yes. I can convert Figma designs into a fully functional mobile app using Flutter app development or React Native.
Will you publish the app on the App Store and Play Store?
Yes. I assist with app deployment, including submitting your app to the Apple App Store and Google Play Store.
How much experience do you have in mobile app development?
I have 7+ years of experience in mobile app development, specializing in Flutter, React Native, and iOS app development.
Can you add payment systems to my app?
Yes. I can integrate secure in-app payment methods like Stripe, PayPal, and other payment gateways.
Reviews
412 reviews for this Gig
| (408) | ||
| (3) | ||
| (0) | ||
| (0) | ||
| (1) |
Rating Breakdown
- Seller communication level
- Quality of delivery
- Value of delivery
Sort By
Most relevant
L lynn_c_cox
United States
I'm thoroughly impressed with the work delivered, right on schedule, with clear communication and a strong sense of urgency. His experience was evident from the start; I barely had to give direction, and he nailed every detail. Smooth, bug-free delivery. Absolutely recommend working with him!
$100-$200
Price
3 days
Duration
A 
Seller's Response
Helpful?D dakotachrisj516
Canada
Amazing work and super friendly
$1,000-$2,500
Price
4 weeks
Duration
A Seller's Response
Helpful?D 
drchyna
Lesotho
Ongoing collaborationHe is the best
$200-$400
Price
2 weeks
Duration
A Seller's Response
Helpful?H hamaneishaq
Morocco
Perfect work !!!
$200-$400
Price
4 days
Duration
A Seller's Response
Helpful?Y yerningcat
United States
Ongoing collaborationVery professional UX/UI designer with excellent attention to detail. I liked how the developer focused not only on visual beauty but also on usability, scalability, and emotional design.
$50-$100
Price
8 days
Duration
A Seller's Response
Helpful?
Reviews
412 reviews for this Gig
| (408) | ||
| (3) | ||
| (0) | ||
| (0) | ||
| (1) |
Rating Breakdown
- Seller communication level
- Quality of delivery
- Value of delivery
Sort By
Most relevant
L lynn_c_cox
United States
I'm thoroughly impressed with the work delivered, right on schedule, with clear communication and a strong sense of urgency. His experience was evident from the start; I barely had to give direction, and he nailed every detail. Smooth, bug-free delivery. Absolutely recommend working with him!
$100-$200
Price
3 days
Duration
A Seller's Response
Helpful?D dakotachrisj516
Canada
Amazing work and super friendly
$1,000-$2,500
Price
4 weeks
Duration
A Seller's Response
Helpful?D drchyna
Lesotho
Ongoing collaborationHe is the best
$200-$400
Price
2 weeks
Duration
A Seller's Response
Helpful?H hamaneishaq
Morocco
Perfect work !!!
$200-$400
Price
4 days
Duration
A Seller's Response
Helpful?Y yerningcat
United States
Ongoing collaborationVery professional UX/UI designer with excellent attention to detail. I liked how the developer focused not only on visual beauty but also on usability, scalability, and emotional design.
$50-$100
Price
8 days
Duration
A Seller's Response
Helpful?
