10/28/2026 updated
100 % available
Senior Mobile Developer | Swift, Kotlin, Java | Firebase | iOS/Android | Healthcare & Fintech
Yalta, Ukraine
Worldwide
Zaporozhye State Engineering AcademyAbout me
I’m Albert, a Mobile App Developer specializing in native iOS and Android development with Swift, SwiftUI, Kotlin, and Java. I help startups, SaaS companies, healthcare products, fintech platforms, streaming services, and enterprise teams build mobile applications that are ready for real users.
FlutterJavaScriptArtificial IntelligenceAndroid (Software)IOS ApplicationsMobile Application DevelopmentMobile Application SoftwareSwiftuiSwift (Programming Language)KotlinReact Native
Whether you need an MVP, a new mobile app from scratch, improvements to an existing iOS or Android app, or long-term development support, I can help you move from idea to launch with clean, reliable native development.
✔️ Mobile App Developer — Full-cycle development from architecture and coding to testing and App Store or Google Play release.
✔️ iOS Developer — Native apps built with Swift, SwiftUI, Objective-C, Xcode, and Apple frameworks.
✔️ Android Developer — Native apps built with Kotlin, Java, Android Studio, and Google SDKs.
✔️ Native iOS & Android Development — Fast, stable, user-friendly apps with maintainable architecture.
✔️ Long-Term Development Partner — Maintenance, bug fixing, new features, performance optimization, and product scaling.
? ACHIEVEMENTS
✔️ 8+ years of mobile development experience across multiple industries.
✔️ 30+ projects delivered for startups, SaaS, healthcare, fintech, logistics, streaming, and enterprise products.
✔️ $30K+ in client revenue supported through mobile development and ongoing cooperation.
✔️ Experience with products reaching 2M+ downloads and 500K+ users.
✔️ Mobile solutions for logistics platforms operating across 60+ cities.
✔️ Experience with AI-powered apps, wearable technology, booking systems, payments, and real-time features.
? WHAT I DELIVER
✔️ MVP development and production-ready mobile applications.
✔️ Native iOS apps for iPhone, iPad, and Apple Watch.
✔️ Native Android apps for smartphones, tablets, and Wear OS.
✔️ API integrations, authentication, payments, subscriptions, push notifications, analytics, and real-time updates.
✔️ Existing app improvements, technical debt reduction, bug fixing, and performance optimization.
? INDUSTRIES
✔️ Healthcare & Wellness: Health tracking, wearable integrations, biometric data, and activity monitoring.
✔️ Fintech: Payment flows, Stripe, PayPal, Apple Wallet, subscriptions, and financial dashboards.
✔️ Logistics & GPS: Location tracking, geofencing, delivery management, and driver applications.
✔️ Streaming & IPTV: OTT platforms, Fire TV apps, video playback, and streaming optimization.
✔️ Wearables & IoT: Apple Watch, Wear OS, BLE devices, smart sensors, and connected applications.
✔️ AI-Powered Apps: LLM integrations, AI productivity tools, wellness platforms, and intelligent user experiences.
✔️ Booking & Marketplaces: User profiles, payments, notifications, dashboards, and real-time functionality.
⚒️ TECH STACK & WORKFLOW
✔️ iOS: Swift, SwiftUI, Objective-C, Xcode, Apple frameworks, Apple Watch, App Store deployment.
✔️ Android: Kotlin, Java, Android Studio, Google SDKs, Wear OS, Google Play deployment.
✔️ Backend & Integrations: Firebase, AWS, REST APIs, GraphQL, payments, analytics, push notifications, and real-time services.
✔️ Engineering: Clean architecture, scalable code, CI/CD, code reviews, Agile development, testing, and maintenance.
Experience
Professional experience0 - 5 years
Freelancer since2022
Languages
EnglishNative speaker
Project history
As a Mobile App Developer, iOS Developer, and Android Developer, I delivered end-to-end native mobile app solutions for both iOS and Android using Swift, SwiftUI, Kotlin, and Java.
As an iOS Developer, I built scalable iOS apps with authentication, real-time chat, push notifications, in-app purchases, geolocation, offline mode, and App Store deployment. As an Android Developer, I developed reliable Android apps with strong performance, clean architecture, Firebase integrations, RESTful APIs, analytics, and Google Play deployment.
In my role as a Mobile App Developer, I handled the full development lifecycle — from concept, UI/UX, architecture, and API integrations to testing, optimization, release, and long-term support.
My experience as a Mobile App Developer, iOS Developer, and Android Developer helps me build stable, scalable, and user-friendly mobile applications ready for real users.
As a Mobile App Developer, iOS Developer, and Android Developer, I build native mobile apps for iOS and Android using Swift, SwiftUI, Kotlin, and Java.
I work on the full mobile app development lifecycle — from idea, UI/UX, architecture, and API integrations to testing, optimization, App Store release, Google Play deployment, and long-term support. As an iOS Developer, I create scalable iOS apps with authentication, real-time chat, push notifications, in-app purchases, geolocation, offline mode, and smooth Apple ecosystem experience.
As an Android Developer, I build reliable Android apps with clean architecture, Firebase, RESTful APIs, analytics, performance optimization, and stable Google Play-ready delivery.
My goal as a Mobile App Developer is to deliver stable, scalable, and user-friendly mobile applications that are ready for real users and business growth.
As an iOS Android App Developer, I specialized in creating high-performing apps using Swift and UIKit, ensuring seamless functionality and exceptional user experience. I led the development of custom solutions for iOS, integrating Core Data, Core Location, and Apple’s HIG guidelines to optimize user engagement. My role included implementing secure authentication, real-time data updates using Firebase, and robust API integrations with RESTful services. I collaborated closely with designers and backend developers to ensure scalability and compatibility across Apple devices. Additionally, I integrated advanced features like push notifications, in-app purchases, and ARKit for interactive experiences. From MVP to App Store deployment, my contributions ensured smooth functionality and high user retention rates.
Certificates
IOS & Android Mobile App Developer
IT courses2023
IOS & Android Mobile App Developer
IT courses2023
Certified Swift Kotlin
SRM AR2022