Ali S.
100% Job Success
Top Rated Plus

Mobile App Developer, Designer | iOS, Android | React Native, Flutter

🏆 87% of my Upwork clients are long-term clients. 📙 39 Successful Projects On Upwork with ⭐⭐⭐⭐⭐ 5 Stars ratings ⏰ 3600+ hours worked for various clients 💎 11 Years of Mobile App Development Experience Welcome! The fastest way to define if we're a good fit for each other is a quick call. Invite me, and we'll schedule a discovery call. ☎️ Let's Do IT! Hello, I'm a Mobile App developer and consultant. My key skills and abilities include(are not limited to) ✅ iOS: Objective-C, Swift ✅ Android: Java, Kotlin ✅ Cross-platform: Xamarin, React Native, Flutter ✅ Experience with APIs and SDKs(not limited to): Google Maps, Google Places, Google Analytics, Sqlite, Parse Server, Realm, Twilio, Stripe,, Crashlytics, Answers, Branch, Firebase, AFNetworking, Facebook SDK, Graph API, Twitter API, Instagram API, Mailchimp 👨 Every great developer should be experienced, communicate well, and put your needs first. By choosing me as your developer you are getting this and much more. Here are a few words from my ongoing clients: ⭐⭐⭐⭐⭐ Ali's technical skills and customer service is unparalleled. He was able to effectively communicate and execute all tasks with promptness. ⭐⭐⭐⭐⭐ Ali and the team quickly identified my problem and helped me get my app back up and running. ⭐⭐⭐⭐⭐ Ali worked through lockdown to deliver a significant update to our iOS English assessment quiz app CAE Academy. As always, good communication and reliable delivery. After more than 4 years of continuous success on Upwork, 71% of my Upwork clients are long-term clients. I always look forward to meeting new clients and helping them with realizing their imaginations and fulfilling their needs. I believe that is the best way to put myself to good use for myself and my clients. 🤝 Click the green ‘Invite to Job’ button in the top right-hand corner and let’s build something great together! 🙏Thank you for taking the time to look over my profile. Keywords: Swift, Android Development, iOS Development, Mobile Application Development, Mobile Applications Objective-C, Xcode, React Native, Expo, Java, Android, Android Studio, Xamarin, iOS, Kotlin Android SDK, Firebase, Real time database, Push notifications, Flutter Framework, Laravel Web Development, Twillio,, Django, Python, AWS EC2, AWS Amplify, AWS Pinpoint, Google Maps, Google Places, Crashlytics


  • Native App Development
  • React Native
  • Swift
  • Flutter
  • API Integration
  • Figma
  • UI/UX Prototyping


Endorsements from past clients

"Had the pleasure to work with Mr.Sufyan on development of our new mobile application and also for some updates pertaining to an existing web project of ours. Mr. Sufyan diligently worked with us and ensured industry standard implementation of Flutter, Python and Firebase for our projects. The Outcome has been very satisfying and we would be keen on acquiring his services again."

Ali A.
Sep 2022


"I have worked with Ali S. for his mobile application services. Belonging to a technical background myself, I was keeping an eye on the backend side, and can safely affirm that his team was extremely professional with development, along with creative problem solving skills. They addressed all the queries I had regarding the project while maintaining and conforming to the deadline with required standards. Ali has an eye for detail and quality. Overall, it was a fantastic experience working with Ali's team."

Nauman T. | Principal Software Engineer
Aug 2022


"If you have the opportunity to work with Ali, I say go for it! You are guaranteed an enjoyable and productive experience. Ali is skilled at what he does, and we look forward to working with him again for our next IT project!"

Abdul G. | Senior Programmer Analyst
Aug 2022


"I had a relatively large app to develop So I hired Ali and worked with him throughout the entire process. He understood my vision and communicated with me clearly and thoughtfully. I would 100% recommend Ali for any mobile app needs you may have. He is thorough in understanding your vision and works diligently with his team to complete the work in a timely manner! Thanks for all your work, Ali!"

Mubasher I. | Project Manager
Apr 2022


"I hired Ali S. to develop a mobile app, it was indeed a great pleasure working with him. Ali is reliable, professional and very knowledgeable. I highly recommend him"

Muhammad Uzair T. | Senior Software Engineer
Apr 2022