Всеволод

Last updated in January 2025

Vsevolod Iskra
+ Kraków, Poland # [открыть контакты](см. выше в блоке «контактная информация») „ (825) 521-4772  github.com/SK4I ð Vsevolod Iskra

Technologies
Languages: Kotlin, Java
Technologies: Jetpack Compose, XML, MVVM, MVP, MVI, Kotlin Coroutines, Swift, IOS, Kotlin Multiplatform, RxJava,
Room, Dagger, Koin, Navigation Component, ExoPlayer, Clean Architecture, RealmDB, SOLID, Picasso/Glide, Git

Experience
SweetTV, Android Developer Kraków, Poland
• Spearheaded a bug-fixing initiative that reduced crash rates by 30%, resolving UI Dec 2023 to Jun 2024
crashes, memory leaks, and network failures to significantly improve app stability
and user satisfaction.
• Designed and launched new features, including an updated TV content UI and per-
sonalized playlists, ensuring scalability and maintainability through robust archi-
tectural solutions.
• Actively participated in sprint planning, conducted code reviews, and mentored
junior developers, improving code quality and reducing production bugs in a high-
performing team environment.

Intive, Android Developer Ivano-Frankivsk, Ukraine
• Developed responsive UI components with Jetpack Compose, including lazy-loaded Oct 2022 to Jun 2023
lists, custom animations, and dynamic content displays, enhancing app maintain-
ability and reducing development time.
• Integrated adaptive bitrate streaming using ExoPlayer, ensuring seamless video
playback across varying network conditions, and optimized buffering with Kotlin
Coroutines for fast start times and consistent quality.
• Improved app efficiency by implementing background tasks with WorkManager
for content preloading and utilizing Room Database for caching, reducing network
calls and improving load times.

SoftServe, Expedia Group, Android Developer Ivano-Frankivsk, Ukraine
• Developed a responsive, intuitive UI based on Material Design principles, optimiz- Sep 2021 to Oct 2022
ing app performance across multiple device sizes and screen resolutions.
• Implemented the Navigation Component, optimizing fragment transactions, back-
stack management, and deep linking for a smoother user experience.
• Elevated Google Play Store ratings from 3.6 to 4.4 by addressing user feedback,
improving performance, and enhancing app stability, resulting in higher user en-
gagement.

SoftServe, Android Developer Intern Ivano-Frankivsk, Ukraine
• Conducted unit and UI testing with JUnit and Espresso, ensuring high-quality app Apr 2021 to Sep 2021
performance across key functionalities like authentication and data processing.
• Refactored Java code to Kotlin, aligning the codebase with Android’s best prac-
tices for improved readability and maintainability.

Commercial Project
SweetTV Streaming Service App
• Developed and enhanced a multiplatform streaming app, providing users with seamless access to movies, TV
shows, and live content across Android, iOS, and web platforms.

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 • Tools Used: Kotlin, MVVM, Kotlin Coroutines, LiveData, KotlinFlow, Kotlin Multiplatform, Room, REST API, Retrofit,
gRPC

OSN Streaming Service App
• Developed a streaming service with the newest development technologies
• Tools Used: Kotlin, Kotlin Coroutines, Jetpack Compose, Kotlin Flow, MVVM, AndroidTV, Room, Dagger2, Picasso,
RestApi, Retrofit, ExoPlayer

VRBO Booking App
• Developed and maintained the VRBO Booking Android app. Implemented key features such as seamless booking
flows, secure payment integration, and real-time property availability updates.
• Tools Used: RxJava, Kotlin, Java, MVP, MVVM, Navigation Component, Room, GraphQL, Apollo, Dagger2, ExoPlayer

Education
MS Ivano Frankivsk National Technical University of Oil and Gas, Computer Sci- Aug 2017 to Dec 2022
ence
• Coursework: Virtualization, Comparison of Virtual Machines

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