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Hi, I’m Vadym Roshka, a senior mobile application developer with 8+ years of experience building media-rich apps for millions of users. I specialize in video processing and social platforms, with deep expertise in React Native, Swift, and Flutter. I thrive in remote settings, delivering complex projects independently while optimizing video rendering performance and crafting engaging storytelling experiences. My focus is on building high-quality, user-friendly apps with crisp UI/UX and reliable cross-platform experiences.…Hi, I’m Vadym Roshka, a senior mobile application developer with 8+ years of experience building media-rich apps for millions of users. I specialize in video processing and social platforms, with deep expertise in React Native, Swift, and Flutter. I thrive in remote settings, delivering complex projects independently while optimizing video rendering performance and crafting engaging storytelling experiences. My focus is on building high-quality, user-friendly apps with crisp UI/UX and reliable cross-platform experiences.

Vadym Roshka

App Developer, Full Stack Developer, Web Developer, +2

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Hi, I’m Vadym Roshka, a senior mobile application developer with 8+ years of experience building media-rich apps for millions of users. I specialize in video processing and social platforms, with deep expertise in React Native, Swift, and Flutter. I thrive in remote settings, delivering complex projects independently while optimizing video rendering performance and crafting engaging storytelling experiences. My focus is on building high-quality, user-friendly apps with crisp UI/UX and reliable cross-platform experiences.…Hi, I’m Vadym Roshka, a senior mobile application developer with 8+ years of experience building media-rich apps for millions of users. I specialize in video processing and social platforms, with deep expertise in React Native, Swift, and Flutter. I thrive in remote settings, delivering complex projects independently while optimizing video rendering performance and crafting engaging storytelling experiences. My focus is on building high-quality, user-friendly apps with crisp UI/UX and reliable cross-platform experiences.

Available to hire

Hi, I’m Vadym Roshka, a senior mobile application developer with 8+ years of experience building media-rich apps for millions of users. I specialize in video processing and social platforms, with deep expertise in React Native, Swift, and Flutter.

I thrive in remote settings, delivering complex projects independently while optimizing video rendering performance and crafting engaging storytelling experiences. My focus is on building high-quality, user-friendly apps with crisp UI/UX and reliable cross-platform experiences.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Intermediate

Intermediate

Language

English

Fluent

Work Experience

Senior Mobile Developer at MediaStream Technologies

March 1, 2020 - Present

Architected 10+ video-centric mobile applications using React Native and Flutter, serving 1.8M users with 99.8% crash-free rates. Implemented advanced video processing pipelines with FFmpeg and native APIs, supporting 4K rendering with 40% faster encoding. Designed intuitive user profile systems and social feed functionalities, achieving 85% user retention and 3.5M daily story views. Built seamless content sharing mechanisms with follower notification systems, increasing engagement by 65% across iOS and Android. Optimized app performance across 50+ device models, reducing load times by 55% and memory usage by 35%. Collaborated independently with stakeholders in remote settings, delivering 8 major releases on schedule with clear technical documentation.

Mobile Application Developer at CreativeApps Studio

June 1, 2017 - February 1, 2020

Developed media-rich mobile applications using React Native and Swift, supporting high-resolution video uploads and real-time streaming. Integrated AWS MediaConvert and S3 for video transcoding, processing 200K+ videos monthly with 99.5% success rate. Implemented user authentication and profile management features for personalized content delivery for 500K+ active users. Implemented video editing capabilities with trimming, filters, and effects, providing creative flexibility while maintaining 60fps performance. Enhanced UI/UX following Human Interface Guidelines and Material Design, contributing to 4.7+ app store ratings.

Software Developer at TechInnovate Solutions

January 1, 2016 - May 1, 2017

Built cross-platform mobile applications using Flutter and React Native, serving 250K+ users with seamless native experiences. Integrated video capturing and playback features via AVFoundation and ExoPlayer, supporting various formats and resolutions. Optimized mobile app architecture and state management, reducing bug reports and improving stability. Collaborated on UI/UX design implementations based on wireframes and user feedback.