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$
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I will do mobile app development, ios app development, app creation, flutter developer
Sajidur
Level 2
16 orders in queue
5.0
5.0
Gig Summary
What people loved about this freelancer
loicesikila
France
Je tiens à remercier chaleureusement ce développeur pour son excellent travail. L’application a été livrée dans les délais prévus, avec un grand professionnalisme....
ashgaran43219
United States
I’m impressed with the quality of this system. The reservation flow is seamless, and the scheduling feature for date and time works without any issues. Guest...
sean12_baker
United States
Top App Dev, we're almost done the app just some steps left. I'll definitely recommend this team and his effort. My app will be publish soon and I'll keep him...
choukrikarabach
Austria
This team is wonderful, and available, they did the job like i wanted, and i am sure going to use their services again! I highly recommend them.
tomzakbrowne
United States
Sajidur is amazing to work with. He knows his stuff, works carefully, and delivers better than expected. He makes sure everything runs smoothly and always finds...
About this gig
Hello there,
You might find it interesting to hear our Mobile app development story. I am Sajidur Rahman, a Mobile App & Flutter Developer with 5+ years of experience in mobile app development and full-stack solutions.
I turn your idea into a fast, secure, and scalable mobile app with AI Integrations for Android & iOS, designed with modern UI/UX and built for performance, growth, and real users.
I build:
- Custom mobile app (unique features, dynamic screens)
- Flutter apps for Android & iOS
- Modern UI/UX (Figma)
- Secure backend & REST APIs
- Authentication (E-mail / Google / Apple)
- Push notifications & in-app purchases
- Admin dashboards & cloud storage
- App Store & Play Store - app builder
Tech Stack:
- Flutter, Dart
- Backend: Node.js, Laravel, Firebase
- Database: Firestore, MySQL, MongoDB
- Tools: Figma, GitHub, CI/CD
Process:
- Requirement analysis & wireframes
- UI/UX design
- Sprint-based development
- QA testing
- App Store & Play Store launch
- Post-launch support
Let's build a product your user will love. Send a message with your feature list or MVP goals to get a fast, realistic quote.
Get to know Sajidur
Sajidur
Professional Mobile App Development, Building High Quality Mobile Apps
Level 2
- FromBangladesh
- Member sinceSep 2025
- Avg. response time1 hour
- Last delivery1 day
Languages
Bengali, English
Mobile app development expert with 100+ apps published on the App Store and Play Store.
Over the years, I've helped startups and business founders bring their vision to life by producing high-quality, scalable mobile apps, custom web applications, CRM, and AI solutions.
My strengths are teamwork, 24/7 availability, and long term post-development support.
I take full responsibility for the entire development process, from Figma (UI/UX design) to frontend and backend development, all the way to launching your app in the market.
Let's connect to build your empire.
Among my clients
Complete Corporate Wellness
My Portfolio
Other Mobile App Development Services I Offer
FAQ
Will you publish the app to the App Store/Play Store?
Yes available as an extra. I handle bundle IDs, signing, screenshots, and submissions.
What do you need to start?
A brief feature list or reference apps, any brand assets, and (if available) API docs. See “Requirements” below.
Do you build AI-powered mobile apps?
Yes. I specialize in AI mobile app development, including AI chatbots, LLM integrations, and smart automation features for iOS and Android apps.
Can you integrate AI APIs like OpenAI or ChatGPT?
Absolutely. I can integrate OpenAI, ChatGPT, and custom AI APIs into mobile and web applications.
Will the app work on both iOS and Android?
Yes. I use Flutter to build cross-platform apps that work smoothly on both iOS and Android from a single codebase.
Do you provide app source code?
Yes. You will receive complete source code and full ownership after project delivery.
Can you develop a wallet or fintech mobile app?
Yes. I develop wallet apps, fintech apps, payment apps, and secure financial mobile applications.
Is the app secure and scalable?
Yes. I follow best practices for security, performance optimization, and scalable architecture.
Do you sign NDA for confidential projects?
Yes. I’m happy to sign an NDA to protect your idea and project details.
Reviews
155 reviews for this Gig
| (154) | ||
| (1) | ||
| (0) | ||
| (0) | ||
| (0) |
Rating Breakdown
- Seller communication level
- Quality of delivery
- Value of delivery
Sort By
Most relevant
J javontablack
Repeat Client
United States
“The developer successfully delivered the foundational frontend structure for the platform and remained committed throughout the process. There were some communication challenges and occasional language barriers when trying to fully align on the premium UI/UX vision and refinement expectations I had...
$800-$1,000
Price
3 weeks
Duration
A 
Seller's Response
Helpful?G geeonfkimeraz
United States
Good work, Sajid. I had faith in you when I gave the project to you and you kept that faith. Thank you so much. Highly recommended.
$50-$100
Price
10 days
Duration
A Seller's Response
Helpful?L lucasrmartin
United States
I never seen desiger like this so sweet polite and professional they made my idea very easy I feel like pro business development on my side thank you so much guys for your hard work
$100-$200
Price
10 days
Duration
A Seller's Response
Helpful?C cooper_rankin
United States
He explained the entire app development process in a very simple and clear way, from planning and UI/UX design to development, testing, and deployment. I finally understood how mobile apps are actually built. Highly recommended for anyone looking for genuine guidance and expertise in app development.
$50-$100
Price
3 days
Duration
A Seller's Response
Helpful?C carolinesatterw
United States
The UI design is clean and modern, and the Flutter implementation is smooth and efficient. The neon blue theme and custom font give the app a unique identity. Everything was delivered exactly as expected, including the source code.
$50-$100
Price
5 days
Duration
A Seller's Response
Helpful?
Reviews
155 reviews for this Gig
| (154) | ||
| (1) | ||
| (0) | ||
| (0) | ||
| (0) |
Rating Breakdown
- Seller communication level
- Quality of delivery
- Value of delivery
Sort By
Most relevant
J javontablack
Repeat Client
United States
“The developer successfully delivered the foundational frontend structure for the platform and remained committed throughout the process. There were some communication challenges and occasional language barriers when trying to fully align on the premium UI/UX vision and refinement expectations I had...
$800-$1,000
Price
3 weeks
Duration
A Seller's Response
Helpful?G geeonfkimeraz
United States
Good work, Sajid. I had faith in you when I gave the project to you and you kept that faith. Thank you so much. Highly recommended.
$50-$100
Price
10 days
Duration
A Seller's Response
Helpful?L lucasrmartin
United States
I never seen desiger like this so sweet polite and professional they made my idea very easy I feel like pro business development on my side thank you so much guys for your hard work
$100-$200
Price
10 days
Duration
A Seller's Response
Helpful?C cooper_rankin
United States
He explained the entire app development process in a very simple and clear way, from planning and UI/UX design to development, testing, and deployment. I finally understood how mobile apps are actually built. Highly recommended for anyone looking for genuine guidance and expertise in app development.
$50-$100
Price
3 days
Duration
A Seller's Response
Helpful?C carolinesatterw
United States
The UI design is clean and modern, and the Flutter implementation is smooth and efficient. The neon blue theme and custom font give the app a unique identity. Everything was delivered exactly as expected, including the source code.
$50-$100
Price
5 days
Duration
A Seller's Response
Helpful?
