Pavlo N.
AI App Development | Mobile App Development | iOS | Android
Need an experienced Mobile App Developer to build, scale, or improve your product? I help businesses turn ideas and existing apps into reliable, production-ready mobile products, combining 8+ years of Mobile Development experience with modern AI-powered solutions. I’m Pavlo, a Senior Mobile App Developer and Team Lead with 8+ years of commercial experience across Fintech, Healthcare, Navigation, E-commerce, and Media. I specialize in Android, iOS, Kotlin Multiplatform (KMP), Flutter, and AI-powered Mobile App Development — from architecture and development to testing, optimization, and production releases. 📊 MOBILE APP DEVELOPMENT EXPERTISE ✔️ 7+ years of commercial Mobile App Development ✔️ Senior Mobile Developer & Team Lead experience ✔️ Android, iOS, Kotlin Multiplatform & Flutter ✔️ AI-powered apps & AI-assisted development ✔️ Full cycle: architecture → development → testing → release 🎯 MY EXPERIENCE ✔️ Android Development: As a Senior Android Developer, I build Kotlin apps using Jetpack Compose, Coroutines, Flow, Room, Retrofit, WorkManager, and Firebase. I handle architecture, complex features, performance optimization, API integrations, background processing, and production support. ✔️ iOS Development: I develop Swift apps using SwiftUI, UIKit, Combine, StoreKit, and HealthKit. My experience includes API integrations, subscriptions, push notifications, maps, native functionality, and App Store releases. ✔️ Kotlin Multiplatform: As a KMP Developer, I share business logic across Android and iOS while preserving native functionality. My experience includes networking, data layers, REST APIs, WebSockets, storage, authentication, and native integrations. ✔️ Flutter Development: I build cross-platform Android and iOS apps with Flutter, custom UI, REST APIs, Firebase, push notifications, third-party services, and native integrations. ✔️ AI-powered Applications: I integrate AI assistants, chat, intelligent search, content generation, recommendations, LLM integrations, and personalized functionality into mobile products. ✔️ Existing App Improvements: I fix crashes and synchronization issues, modernize architecture, update SDKs, optimize performance, complete unfinished features, and unblock production releases. 🤖 AI DEVELOPMENT I integrate AI workflows, coding agents, skills, and orchestrators into software development for feature implementation, refactoring, bug fixing, code analysis, and automated testing. I combine AI-assisted development with static analysis, unit testing, and mutation testing to validate generated code and maintain production-level quality. 🏢 INDUSTRY EXPERIENCE 🏦 Fintech & Banking — 3+ projects Banking apps, loyalty programs, cashback, secure integrations, payments, and KMP architecture. 🏥 Healthcare — 4+ projects Connected devices, WebSockets, MQTT, sensors, background synchronization, and secure data handling. 💪 Fitness & Wellness — 2+ projects Workout apps, progress tracking, subscriptions, health integrations, analytics, and personalized experiences. 🚚 Navigation — 2+ projects Mapbox, Google Maps, GPS, navigation, background location, and offline functionality. 🛒 E-commerce — 3+ projects Product catalogs, shopping flows, loyalty programs, promotions, APIs, payments, and analytics. 📺 Media — 2+ projects Video playback, streaming, analytics, media functionality, and production integrations. 🏆 Sports & Leaderboards — 1+ project Leaderboards, rankings, player statistics, competition tracking, and real-time data updates. ⚙️ TECHNICAL EXPERTISE ▪ Android: Kotlin, Java, Jetpack Compose, Android SDK ▪ iOS: Swift, SwiftUI, UIKit, Combine ▪ Cross-platform: KMP, Compose Multiplatform, Flutter ▪ Architecture: MVVM, MVI, Clean Architecture ▪ Networking: REST, Retrofit, OkHttp, Ktor, WebSockets, MQTT ▪ Data: Room, DataStore, Firebase ▪ Maps: Mapbox, Google Maps, GPS ▪ Security: Keystore, Biometrics, TLS Pinning ▪ Testing: Unit Testing, Static Analysis, Mutation Testing ▪ Delivery: CI/CD, Google Play, App Store ▪ AI: LLMs, AI Agents, Workflows, Skills, Orchestrators 🤝 WHY WORK WITH ME? I don’t just implement tickets — I take ownership of the technical side of the product. I analyze requirements, identify risks, design architecture, develop complex features, review code, and take applications through production release. You get 8+ years of Mobile Development experience, strong Android and Kotlin expertise, cross-platform development with KMP and Flutter, AI-powered development experience, and direct communication throughout the project. Mobile App Developer | AI Mobile App Developer | Android Developer | iOS Developer | Kotlin Developer | KMP Developer | Flutter Developer | Android Development | iOS Development | Mobile App Development 📩 Have a mobile app to build or improve? Send me your goals and current challenges, and let’s discuss how I can help.
Earnings and projects
Last 6 months ÷ 6
Last 6 months: $9.2k
Billed in all: $15,563$16k
$9.2k in the last 6 months
Across 5 contracts
Earnings, last 30 days
Skill rankings: #1 in 1 skill of 13
Rarest: top 2% in Room, of 53. Ranked by MRR among everyone on Upwork with the skill.
- Room53 freelancers · 🇺🇦 #1Top 2%🇺🇦#1 of 7
- Dagger 251 freelancers · 🇺🇦 #1Top 4%🇺🇦#1 of 9
- #10Android NDK94 freelancers · 🇺🇦 #3Top 11%🇺🇦#3 of 10
- #13Gradle81 freelancers · 🇺🇦 #6Top 16%🇺🇦#6 of 16
- #48XML717 freelancers · 🇺🇦 #5Top 7%🇺🇦#5 of 49
- #52Android SDK805 freelancers · 🇺🇦 #11Top 6%🇺🇦#11 of 90
- #266Kotlin3,021 freelancers · 🇺🇦 #30Top 9%🇺🇦#30 of 224
- #424Android4,975 freelancers · 🇺🇦 #64Top 9%🇺🇦#64 of 371