Ihor S.
Senior Mobile Android Developer | Flutter | Kotlin | 7+ yrs
💡 I help startups and companies build high-quality Android & Flutter apps — from MVP to App Store release. 📱 7+ years of mobile development experience — 40+ finished projects for clients across the USA, UK, and Europe. I focus on clean architecture, scalable code, and smooth UI/UX. 🚀 I can help you with: • Building Android apps (Kotlin, MVVM, Coroutines, DI, Firebase) • Flutter apps for Android & iOS (Dart, Riverpod, BLoC, REST/GraphQL) • Full-cycle mobile solutions — from idea to publish-ready app • Refactoring or maintaining existing legacy projects • Integrating APIs, payments, ads, chat, AI (OpenAI, CoreML), etc. 🧩 Tech Stack: Languages: Kotlin, Java, Dart Platforms: Android, Flutter, iOS Backend: Firebase, Node.js, REST, GraphQL AI/ML: OpenAI, CoreML, ChatGPT API ❤️ Passionate about EdTech, clean design, and delivering real value. 📬 Let’s make your app stand out. Feel free to invite me to your project or book a quick consultation — I’m always open to new ideas and collaborations!
Earnings and projects
Last 6 months ÷ 6
Last 6 months: $25k
Billed in all: $49,431$49k
$6.4k in the last 6 months
Across 24 contracts
Earnings, last 30 days
Skill rankings: Top 0.50% in Android Studio
Ranked by MRR among everyone on Upwork with the skill.
- #4Android Studio805 freelancers · 🇺🇦 #1Top 0.50%🇺🇦#1 of 45
- #6JetPack272 freelancers · 🇺🇦 #1Top 2%🇺🇦#1 of 19
- #31Native App Development833 freelancers · 🇺🇦 #6Top 4%🇺🇦#6 of 58
- #50Dart2,324 freelancers · 🇺🇦 #6Top 2%🇺🇦#6 of 123
- #57Hybrid App Development1,431 freelancers · 🇺🇦 #10Top 4%🇺🇦#10 of 70
- #82AI Mobile App Development1,401 freelancers · 🇺🇦 #9Top 6%🇺🇦#9 of 78
- #86Kotlin3,021 freelancers · 🇺🇦 #12Top 3%🇺🇦#12 of 224
- #118Mobile App3,535 freelancers · 🇺🇦 #21Top 3%🇺🇦#21 of 306