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English
$
USD
I will do mobile app development, android app ios app development, mobile app developer
Sanjay
Level 2
1 order in queue
4.8
4.8
What people loved about this freelancer
afzal_mk
India
completed the initial phase of a multi phase project successfully .His interest , involvement , proactive communication and ability to deliver solutions that...
abhijitsaha911
Australia
Sanjay is helping me build my app and truly understands my vision for the design. He has provided valuable advice on how to improve the user experience while...
afzal_mk
India
Working with sanjay was easy. He quickly grasped the requirement and provided us with a cost effective solution. He communicated clearly throughout the order....
About this gig
Are you looking for a mobile app developer to build a high-performance Android & iOS app that boosts your business?
You're in the right place! Im a Mobile App Developer with 4+ years of experience building scalable, secure, and user-centric mobile applications with modern UI/UX and robust backend solutions.
I specialize in Flutter, Golang, Spring Boot, Django, Flask, FastAPI, Laravel, PHP, Java, Python, JavaScript, and MySQL / MongoDB / PostgreSQL delivering cross-platform and native mobile apps with clean architecture.
What Services Include:
- Cross-Platform & Native App Development using Flutter
- Android App Development & iOS App Development
- UI/UX & Prototype Design
- Backend Development & API Integration
- MVP Development & Firebase Integration
- Push Notifications & Real-Time Updates
- Secure Authentication & Admin Panel
- App Testing, Debugging & Optimization
- App Deployment & Store Submission
Why Choose Me:
- 4+ Years of Full-Stack Expertise
- Scalable, Secure & High-Performance Apps
- Clean Code & Responsive Design
- On-Time Delivery & Clear Communication
- Post-Launch Maintenance & Support
Lets build a mobile app that stands out message me today to get started!
Get to know Sanjay
Sanjay
Flutter and AI Solutions Architect Mobile Apps Web and Agentic AI Automation
Level 2
- FromIndia
- Member sinceAug 2025
- Avg. response time1 hour
- Last delivery2 days
Languages
Tamil, English
Mobile App, Web & AI Solutions Architect 🚀 Expert in mobile app development, web development, and AI automation using Flutter, Go, Spring Boot, Python, Ruby on Rails, PHP & Agentic AI 🤖. I deliver scalable web platforms, custom Flutter apps, and intelligent automation workflows with n8n, LangChain & OpenAI integration. From rapid MVPs to enterprise-grade systems, expect secure, maintainable code, fast delivery, and ongoing support. Hire a professional full-stack developer who transforms your ideas into polished, user-friendly solutions. Let’s build success together 💡
My Portfolio
FAQ
Can you develop a custom app for my specific needs?
Absolutely! Whether you're launching a bold new startup, building an e-commerce platform, or developing a custom enterprise solution, I take the time to truly understand your vision—then craft an app that’s uniquely tailored to bring it to life.
What do you need from me to get started?
To kick things off, it would be great to have a clear overview of your project and your app idea, target audience, key features, and any design or branding guidelines you have in mind. If you have wireframes or even rough sketches, they’ll be incredibly helpful in bringing your vision to life.
Will you help me get my app published on the App Store and Google Play Store?
Yes, I’ll guide you through the entire submission process for both platforms, handling the technical requirements and ensuring your app meets all guidelines for approval. You can count on my support every step of the way.
What about ongoing maintenance and updates?
I provide reliable post-launch support and maintenance to keep your app running smoothly. Whether you need updates, new features, or bug fixes, I’m here to ensure your app continues to meet your evolving needs.
Can you convert my website into a mobile app?
Yes, I can transform your website into a seamless, fully functional mobile app designed specifically for both Android and iOS users.
Reviews
28 reviews for this Gig
| (26) | ||
| (1) | ||
| (0) | ||
| (0) | ||
| (1) |
Rating Breakdown
- Seller communication level
- Quality of delivery
- Value of delivery
Sort By
Most relevant
A afzal_mk
Repeat Client
India
completed the initial phase of a multi phase project successfully .His interest , involvement , proactive communication and ability to deliver solutions that matches the expectations is what sets him apart. . overall happy with the work done so far. Finding a seller on fiverr is easy but finding a good one is difficult. Sanjay belongs to the later.
$100-$200
Price
9 days
Duration
S Seller's Response
Helpful?W w0rk5107h
India
The quality of the delivery was very disappointing. The design I provided appears to have been directly passed into a code-generation tool (such as Claude Code) and delivered without any meaningful review or validation. I want to be clear that I am not against the use of code assistants. However, submitting...
$50-$100
Price
10 days
Duration
S Seller's Response
Helpful?A abhijitsaha911
Australia
Sanjay is helping me build my app and truly understands my vision for the design. He has provided valuable advice on how to improve the user experience while keeping the project cost-effective. He is knowledgeable, and doing a fantastic job. I am very happy with his services and highly recommend him.
Up to $50
Price
3 days
Duration
S Seller's Response
Helpful?A afzal_mk
Repeat Client
India
Working with sanjay was easy. He quickly grasped the requirement and provided us with a cost effective solution. He communicated clearly throughout the order. I am happy and satisfied with the work he has done for us and is looking forward to working with him again on future requirements. Thank you Sanjay!
$200-$400
Price
10 days
Duration
S Seller's Response
Helpful?J 
johannesngolo
Repeat Client
Namibia
omg, his work is the best, he exceeded my expectations
$100-$200
Price
12 days
Duration
S Seller's Response
Helpful?
Reviews
28 reviews for this Gig
| (26) | ||
| (1) | ||
| (0) | ||
| (0) | ||
| (1) |
Rating Breakdown
- Seller communication level
- Quality of delivery
- Value of delivery
Sort By
Most relevant
A afzal_mk
Repeat Client
India
completed the initial phase of a multi phase project successfully .His interest , involvement , proactive communication and ability to deliver solutions that matches the expectations is what sets him apart. . overall happy with the work done so far. Finding a seller on fiverr is easy but finding a good one is difficult. Sanjay belongs to the later.
$100-$200
Price
9 days
Duration
S Seller's Response
Helpful?W w0rk5107h
India
The quality of the delivery was very disappointing. The design I provided appears to have been directly passed into a code-generation tool (such as Claude Code) and delivered without any meaningful review or validation. I want to be clear that I am not against the use of code assistants. However, submitting...
$50-$100
Price
10 days
Duration
S Seller's Response
Helpful?A abhijitsaha911
Australia
Sanjay is helping me build my app and truly understands my vision for the design. He has provided valuable advice on how to improve the user experience while keeping the project cost-effective. He is knowledgeable, and doing a fantastic job. I am very happy with his services and highly recommend him.
Up to $50
Price
3 days
Duration
S Seller's Response
Helpful?A afzal_mk
Repeat Client
India
Working with sanjay was easy. He quickly grasped the requirement and provided us with a cost effective solution. He communicated clearly throughout the order. I am happy and satisfied with the work he has done for us and is looking forward to working with him again on future requirements. Thank you Sanjay!
$200-$400
Price
10 days
Duration
S Seller's Response
Helpful?J johannesngolo
Repeat Client
Namibia
omg, his work is the best, he exceeded my expectations
$100-$200
Price
12 days
Duration
S Seller's Response
Helpful?
