Browse categories
Explore
Fiverr Pro
English
$
USD
I will develop native android and ios apps using kotlin and swift
Sanjay
4.9
4.9
About this gig
Looking for an experienced developer to build a fast, secure, and scalable native mobile application?
With 9+ years of mobile app development experience and 50+ apps delivered, I develop production-ready Android and iOS applications using Kotlin, Jetpack Compose, Swift, and SwiftUI.
I work with startups, businesses, and enterprises to build apps with excellent performance, modern UI, clean architecture, and reliable integrations.
What I Can Build
- Native Android and iOS applications
- Startup MVPs and business apps
- AI chatbots and AI assistants
- ChatGPT, Gemini and Claude integration
- Firebase and REST API integration
- Payment gateways and subscriptions
- Google Maps and location features
- Push notifications and authentication
- E-commerce, healthcare and fintech apps
- Bug fixing, upgrades and performance optimization
Why Choose Me?
- 9+ years of experience
- Kotlin, Jetpack Compose, Swift and SwiftUI
- Clean, scalable and maintainable code
- App Store and Play Store support
- Clear communication and post-launch assistance
Please contact me before ordering to discuss your requirements, timeline, and budget.
Get to know Sanjay
Sanjay
Building AI Powered Mobile Apps That Scale
- FromIndia
- Member sinceAug 2019
- Last delivery6 months
Languages
Gujarati, Hindi, English
I help startups and businesses transform ideas into high-quality mobile applications that are built to scale. As the Founder of SpyBird Infotech, I bring 9+ years of experience in Android, iOS, Flutter, and AI-powered application development. I've delivered 50+ successful projects, including products with 5M+ downloads, enterprise platforms, and AI-driven solutions. My goal is to deliver clean, scalable, and secure applications with outstanding performance, modern architecture, and a seamless user experience that supports long-term business growth.
My Portfolio
FAQ
What do you need to get started with my app?
I need your app idea or reference app, list of features, platform (Android only), and any UI designs or wireframes if available. You can also share your backend/API details if you have them.
Do you develop separate native apps for Android and iOS?
Yes. I develop Android apps using Kotlin and Jetpack Compose and iOS apps using Swift and SwiftUI.
Can you add AI features?
Yes. I can integrate ChatGPT, OpenAI, Gemini, Claude, AI chatbots, AI agents, voice AI, image analysis, and document-based AI.
Can you work on my existing app?
Yes. I can fix bugs, upgrade dependencies, improve performance, redesign screens, or add new features to an existing Android or iOS app.
Do you provide backend development?
Yes. I work with Firebase, Supabase, Node.js, Python, REST APIs, databases, authentication, and cloud services.
Can you integrate Firebase and third-party APIs?
Yes, I can integrate Firebase, REST APIs, Google Maps, Payment Gateways, and more based on your project needs.
Can you publish the apps?
Yes. I can prepare release builds and assist with Google Play Store and Apple App Store submission.
Reviews
4 reviews for this Gig
| (4) | ||
| (0) | ||
| (0) | ||
| (0) | ||
| (0) |
Rating Breakdown
- Seller communication level
- Quality of delivery
- Value of delivery
Sort By
Most relevant
C chriskuah
Malaysia
He was willing to work with me to make sure my requirements were met.
$600-$800
Price
4 months
Duration
Helpful?J 
jamesmuriuki750
Kenya
Ongoing collaborationExcellent work. Developer does all it takes to deliver exceptionally work. I highly recommend him
$50
Price
5 days
Duration
Helpful?A andreasjansa
Austria
Fast response and fast delivery. Thank you.
$100-$200
Price
Helpful?V 
victormih
Romania
Ongoing collaborationGohil followed through on my needs and feedback, and submitted the project in working condition
$50-$100
Price
Helpful?
Reviews
4 reviews for this Gig
| (4) | ||
| (0) | ||
| (0) | ||
| (0) | ||
| (0) |
Rating Breakdown
- Seller communication level
- Quality of delivery
- Value of delivery
Sort By
Most relevant
C chriskuah
Malaysia
He was willing to work with me to make sure my requirements were met.
$600-$800
Price
4 months
Duration
Helpful?J jamesmuriuki750
Kenya
Ongoing collaborationExcellent work. Developer does all it takes to deliver exceptionally work. I highly recommend him
$50
Price
5 days
Duration
Helpful?A andreasjansa
Austria
Fast response and fast delivery. Thank you.
$100-$200
Price
Helpful?V victormih
Romania
Ongoing collaborationGohil followed through on my needs and feedback, and submitted the project in working condition
$50-$100
Price
Helpful?
