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I will do mobile app development, android app, ios app development as flutter developer
Sabbir
Level 2
1 order in queue
5.0
5.0
Gig Summary
What people loved about this freelancer
inger_karlsen
United States
Sabbir developed our grocery delivery app smoothly from the existing Figma designs. Clean code, good API integration, and the app feels fast and responsive....
kristinhatch775
United States
The seller understood my idea well, kept the app simple and polished, and delivered everything as agreed. Communication was smooth throughout, and I’m very satisfied with the final result.
adamcharlotted
United States
Sabbir delivered exactly the style we were looking for. The designs feel modern, engaging, and well thought out. Great experience from beginning to end.
david_waatts
United Kingdom
Great work by Sabbir. He understood the project well and created a clean design based on my ideas. Easy to communicate with, professional, and delivered a great experience.
burkepatrickt
United States
Nice experience working with Sabbir! He understood exactly what I wanted and created a clean, beautiful home screen for my coffee shop app. Communication was...
About this gig
I'm Sabbir, CEO of devs_flux. With my experienced team, I've helped startups, agencies, and businesses turn ideas into reliable, high-quality mobile applications.
Our focus is simple: clean design, scalable development, smooth performance, and dependable delivery.
What I Can Help You With:
- UI/UX Design
- Android App Development
- iOS App Development
- Native Mobile App
- Admin Panel Development
- Complete Mobile App Development
- Testing, Bug Fixing & Deployment
- Ongoing App Support & Maintenance
Industries I've Worked With:
- Ride-Sharing & Taxi Booking
- Cleaning, Home Service & On-Demand Apps
- E-commerce Platforms
- Employee Tracking & Productivity Apps
- Food Ordering & Delivery
- Health, Fitness & Wellness
- Education & E-Learning
- Travel & Booking
- Social Media Apps
- Short-Video / TikTok-Style Apps
- Real Estate & Property Management
Whether you already have a complete specification or just an initial app idea, my team and I can help you plan, design, develop, test, and launch your application.
Gig pricing is indicative and may vary depending on the complexity, features, platforms, and scope of your application.
Message me today and get up to 2 months of free app support after deployment.
Get to know Sabbir
Sabbir
Flutter and React Native Mobile App Developer
Level 2
- FromBangladesh
- Member sinceMay 2026
- Avg. response time1 hour
- Last deliveryabout 5 hours
Languages
Bengali, English
Hi, I’m Sabbir, a mobile app developer specializing in Flutter and React Native.
I build Android and iOS apps for startups, businesses, and individuals. Whether you have a new idea, an MVP, or an existing app that needs improvement, I can help turn it into a working product.
I handle UI, API integration, backend, third-party services, testing, and deployment. I focus on clean code, smooth performance, and a simple user experience.
Have an app idea? Feel free to message me and let’s discuss it.
My Portfolio
FAQ
Can you develop apps for both Android and iOS?
Yes. We can develop mobile applications for Android, iOS, or both platforms depending on your project requirements and agreed scope.
Do you provide UI/UX design as well?
Yes. We can handle the complete UI/UX process, from wireframes and user flows to polished mobile app interfaces. If you already have a design, we can also develop the app based on your existing files.
How much will my mobile app cost?
The cost depends on the number of screens, features, complexity, backend requirements, third-party integrations, and target platforms. Please message me with your requirements so I can provide an accurate quote.
Will I receive the source code?
Yes. The complete source code for the work included in the agreed project scope will be provided after successful project completion.
Can you work on or improve an existing mobile app?
Yes. We can help with existing applications, including UI improvements, new feature development, bug fixing, performance improvements, and general updates. Please contact me first so we can review the current app and codebase.
Can you help publish the app on the App Store and Google Play?
Yes. We can assist with preparing and deploying your application to the Apple App Store and Google Play Store. Final approval is subject to the respective store's policies and review process.
Can you sign an NDA for my app idea?
Yes, I respect client privacy and can sign a Non-Disclosure Agreement (NDA) if required.
Reviews
24 reviews for this Gig
| (24) | ||
| (0) | ||
| (0) | ||
| (0) | ||
| (0) |
Rating Breakdown
- Seller communication level
- Quality of delivery
- Value of delivery
Sort By
Most relevant
I inger_karlsen
United States
Sabbir developed our grocery delivery app smoothly from the existing Figma designs. Clean code, good API integration, and the app feels fast and responsive. Delivered on time and easy to communicate with. Highly recommended.
$100-$200
Price
8 days
Duration
D 
Seller's Response
Helpful?K kristinhatch775
United States
The seller understood my idea well, kept the app simple and polished, and delivered everything as agreed. Communication was smooth throughout, and I’m very satisfied with the final result.
$100-$200
Price
9 days
Duration
D Seller's Response
Helpful?A adamcharlotted
United States
Sabbir delivered exactly the style we were looking for. The designs feel modern, engaging, and well thought out. Great experience from beginning to end.
$100-$200
Price
11 days
Duration
Helpful?D david_waatts
United Kingdom
Great work by Sabbir. He understood the project well and created a clean design based on my ideas. Easy to communicate with, professional, and delivered a great experience.
$100-$200
Price
12 days
Duration
D Seller's Response
Helpful?B burkepatrickt
United States
Nice experience working with Sabbir! He understood exactly what I wanted and created a clean, beautiful home screen for my coffee shop app. Communication was smooth, delivery was on time, and I’m very happy with the final result. Thank you!
$50-$100
Price
9 days
Duration
D Seller's Response
Helpful?
Reviews
24 reviews for this Gig
| (24) | ||
| (0) | ||
| (0) | ||
| (0) | ||
| (0) |
Rating Breakdown
- Seller communication level
- Quality of delivery
- Value of delivery
Sort By
Most relevant
I inger_karlsen
United States
Sabbir developed our grocery delivery app smoothly from the existing Figma designs. Clean code, good API integration, and the app feels fast and responsive. Delivered on time and easy to communicate with. Highly recommended.
$100-$200
Price
8 days
Duration
D Seller's Response
Helpful?K kristinhatch775
United States
The seller understood my idea well, kept the app simple and polished, and delivered everything as agreed. Communication was smooth throughout, and I’m very satisfied with the final result.
$100-$200
Price
9 days
Duration
D Seller's Response
Helpful?A adamcharlotted
United States
Sabbir delivered exactly the style we were looking for. The designs feel modern, engaging, and well thought out. Great experience from beginning to end.
$100-$200
Price
11 days
Duration
Helpful?D david_waatts
United Kingdom
Great work by Sabbir. He understood the project well and created a clean design based on my ideas. Easy to communicate with, professional, and delivered a great experience.
$100-$200
Price
12 days
Duration
D Seller's Response
Helpful?B burkepatrickt
United States
Nice experience working with Sabbir! He understood exactly what I wanted and created a clean, beautiful home screen for my coffee shop app. Communication was smooth, delivery was on time, and I’m very happy with the final result. Thank you!
$50-$100
Price
9 days
Duration
D Seller's Response
Helpful?
