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$
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I will do mobile app development, ios app development, app creation, flutter developer
Sajidur
Level 2
11 orders in queue
5.0
5.0
What people loved about this freelancer
yvonnebbrown
United States
Sajidur and his team did a fantastic job developing our land AI app. The project involved trip planning, itinerary lead management, land attraction recommendations,...
matt_clark1
United States
Sajidur is exceptional he did fix my mobile app issue within a short time and creating my app landing page in a affordable costing which is really help to low...
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
Sajidur done always good job, it's a 3 phase of my turf booking app, really happy to see the progress and outcome in every phase well done
priti_gware
United States
Outstanding experience! Working with Sajidur, build the first milestone of the app flow of the app, UI design and protopty fram, happy with the outcome
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 deliveryabout 8 hours
Languages
Bengali, English
Hey, I’m Sajidur Rahman. You can call me an AI Mobile App & Full-Stack Developer with 5+ years of experience in mobile app & web development. I build fast, secure, and user-friendly iOS/Android & Flutter apps, websites, and AI-powered solutions with modern UI/UX (Figma). From design to development, testing, deployment, and support. I deliver complete, high-quality digital products that help businesses grow. Let's connect to build your empire
My Portfolio
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
117 reviews for this Gig
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| (1) | ||
| (0) | ||
| (0) | ||
| (0) |
Rating Breakdown
- Seller communication level
- Quality of delivery
- Value of delivery
Sort By
Most relevant
A annaballen
Repeat Client
United States
I’m honestly blown away by the quality of this app. From the smooth performance to the clean and modern design, everything was handled perfectly. You paid attention to every detail and made sure the app works flawlessly. Communication was excellent throughout, and you were always quick to respond and make adjustments. This is easily a 5/5 experience.
$100-$200
Price
8 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?A 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 management is organized and easy to use. The mobile UI design is modern and highly responsive, making the overall experience excellent.
$50-$100
Price
5 days
Duration
A Seller's Response
Helpful?B bondclayton
United Kingdom
Working with Sajidur on our Fintech Investment Tracking MVP was an excellent experience. Communication was professional throughout the project, milestones were delivered on time, and the final result exceeded expectations. I highly recommend Sajidur for fintech, SaaS, and product development projects.
$100-$200
Price
8 days
Duration
A Seller's Response
Helpful?P paulak42
United States
The app was completed perfectly with all the required features, including user authentication, recipe management, search functionality, and responsive design. Everything works smoothly, and the communication was excellent. Highly recommended.
$100-$200
Price
6 days
Duration
A Seller's Response
Helpful?
Reviews
117 reviews for this Gig
| (116) | ||
| (1) | ||
| (0) | ||
| (0) | ||
| (0) |
Rating Breakdown
- Seller communication level
- Quality of delivery
- Value of delivery
Sort By
Most relevant
A annaballen
Repeat Client
United States
I’m honestly blown away by the quality of this app. From the smooth performance to the clean and modern design, everything was handled perfectly. You paid attention to every detail and made sure the app works flawlessly. Communication was excellent throughout, and you were always quick to respond and make adjustments. This is easily a 5/5 experience.
$100-$200
Price
8 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?A 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 management is organized and easy to use. The mobile UI design is modern and highly responsive, making the overall experience excellent.
$50-$100
Price
5 days
Duration
A Seller's Response
Helpful?B bondclayton
United Kingdom
Working with Sajidur on our Fintech Investment Tracking MVP was an excellent experience. Communication was professional throughout the project, milestones were delivered on time, and the final result exceeded expectations. I highly recommend Sajidur for fintech, SaaS, and product development projects.
$100-$200
Price
8 days
Duration
A Seller's Response
Helpful?P paulak42
United States
The app was completed perfectly with all the required features, including user authentication, recipe management, search functionality, and responsive design. Everything works smoothly, and the communication was excellent. Highly recommended.
$100-$200
Price
6 days
Duration
A Seller's Response
Helpful?
