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I am a Senior iOS Developer with over 8 years of experience building robust mobile apps for startups and large enterprises. Throughout my career, I have delivered high-quality applications across industries such as IT administration, audio streaming, and e-commerce, consistently focusing on performance, security, and maintainability. I have hands-on expertise with the full iOS development life cycle, from system architecture to automated testing. I thrive in collaborative, cross-functional teams and enjoy mentoring junior developers, sharing knowledge, and driving continuous improvements. I am passionate about delivering delightful user experiences and keep up with the latest iOS patterns and best practices, from modern Swift concurrency to scalable architectures and automated CI/CD pipelines.…I am a Senior iOS Developer with over 8 years of experience building robust mobile apps for startups and large enterprises. Throughout my career, I have delivered high-quality applications across industries such as IT administration, audio streaming, and e-commerce, consistently focusing on performance, security, and maintainability. I have hands-on expertise with the full iOS development life cycle, from system architecture to automated testing. I thrive in collaborative, cross-functional teams and enjoy mentoring junior developers, sharing knowledge, and driving continuous improvements. I am passionate about delivering delightful user experiences and keep up with the latest iOS patterns and best practices, from modern Swift concurrency to scalable architectures and automated CI/CD pipelines.

Artsiom Sazonau

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I am a Senior iOS Developer with over 8 years of experience building robust mobile apps for startups and large enterprises. Throughout my career, I have delivered high-quality applications across industries such as IT administration, audio streaming, and e-commerce, consistently focusing on performance, security, and maintainability. I have hands-on expertise with the full iOS development life cycle, from system architecture to automated testing. I thrive in collaborative, cross-functional teams and enjoy mentoring junior developers, sharing knowledge, and driving continuous improvements. I am passionate about delivering delightful user experiences and keep up with the latest iOS patterns and best practices, from modern Swift concurrency to scalable architectures and automated CI/CD pipelines.…I am a Senior iOS Developer with over 8 years of experience building robust mobile apps for startups and large enterprises. Throughout my career, I have delivered high-quality applications across industries such as IT administration, audio streaming, and e-commerce, consistently focusing on performance, security, and maintainability. I have hands-on expertise with the full iOS development life cycle, from system architecture to automated testing. I thrive in collaborative, cross-functional teams and enjoy mentoring junior developers, sharing knowledge, and driving continuous improvements. I am passionate about delivering delightful user experiences and keep up with the latest iOS patterns and best practices, from modern Swift concurrency to scalable architectures and automated CI/CD pipelines.

Available to hire

I am a Senior iOS Developer with over 8 years of experience building robust mobile apps for startups and large enterprises. Throughout my career, I have delivered high-quality applications across industries such as IT administration, audio streaming, and e-commerce, consistently focusing on performance, security, and maintainability. I have hands-on expertise with the full iOS development life cycle, from system architecture to automated testing. I thrive in collaborative, cross-functional teams and enjoy mentoring junior developers, sharing knowledge, and driving continuous improvements.

I am passionate about delivering delightful user experiences and keep up with the latest iOS patterns and best practices, from modern Swift concurrency to scalable architectures and automated CI/CD pipelines.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Language

Russian

Fluent

Belarusian

Fluent

English

Advanced

Work Experience

Senior iOS Developer at Kaseya

October 1, 2021 - June 30, 2025

Reduced support ticket volume by 25% and improved user experience through enhanced ticket management features. Accelerated app delivery by 50% by implementing CI/CD pipelines with GitLab. Optimized build performance, reducing cold build time by 25%. Migrated projects to Swift Package Manager and modernized architecture (MVVM+C, VIPER). Reduced memory usage by 30% and improved crash-free rate to 99.965%. Led migration from Swift 5 to Swift 6, ensuring codebase compatibility with modern concurrency features. Increased automated test coverage to 41% using Quick, Nimble, and UI Tests.

Senior iOS Developer at EPAM

August 1, 2020 - September 30, 2021

Cut delivery time by 30% by optimizing CI/CD with Fastlane and GoCD. Integrated Firebase Analytics, Google Analytics, Braze, and Crashlytics, improving user behavior tracking by 35%. Maintained top-1 to top-5 Food & Drink app in the US, supporting 200k downloads per month.

iOS Developer at Moodby

June 1, 2017 - August 31, 2020

Built two audio-streaming apps from scratch, supporting 10k+ active users. Integrated secure payment systems (Adyen), boosting subscription-based revenue by 20%. Accelerated end-to-end encryption by 70% after migrating to Common Crypto. Shipped high-impact features: offline mode, playlist & DJ search and secure audio playback.