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I'm Yuriy Kolbasinskiy, a Senior iOS Engineer with over 8 years of experience building high-impact, user-focused mobile apps across fintech, AI, and smart home domains. I love turning business goals into elegant, scalable solutions and am passionate about UI/UX, performance optimization, and integrating third-party APIs. Based in The Hague, Netherlands, I lead cross-functional teams, redesign architectures for scale, and build reusable components and SDKs to accelerate development. I thrive on collaborating with designers, backend engineers, and product managers to deliver delightful, reliable mobile experiences.…I'm Yuriy Kolbasinskiy, a Senior iOS Engineer with over 8 years of experience building high-impact, user-focused mobile apps across fintech, AI, and smart home domains. I love turning business goals into elegant, scalable solutions and am passionate about UI/UX, performance optimization, and integrating third-party APIs. Based in The Hague, Netherlands, I lead cross-functional teams, redesign architectures for scale, and build reusable components and SDKs to accelerate development. I thrive on collaborating with designers, backend engineers, and product managers to deliver delightful, reliable mobile experiences.

Yuriy Kolbasinskiy

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I'm Yuriy Kolbasinskiy, a Senior iOS Engineer with over 8 years of experience building high-impact, user-focused mobile apps across fintech, AI, and smart home domains. I love turning business goals into elegant, scalable solutions and am passionate about UI/UX, performance optimization, and integrating third-party APIs. Based in The Hague, Netherlands, I lead cross-functional teams, redesign architectures for scale, and build reusable components and SDKs to accelerate development. I thrive on collaborating with designers, backend engineers, and product managers to deliver delightful, reliable mobile experiences.…I'm Yuriy Kolbasinskiy, a Senior iOS Engineer with over 8 years of experience building high-impact, user-focused mobile apps across fintech, AI, and smart home domains. I love turning business goals into elegant, scalable solutions and am passionate about UI/UX, performance optimization, and integrating third-party APIs. Based in The Hague, Netherlands, I lead cross-functional teams, redesign architectures for scale, and build reusable components and SDKs to accelerate development. I thrive on collaborating with designers, backend engineers, and product managers to deliver delightful, reliable mobile experiences.

Available to hire

I’m Yuriy Kolbasinskiy, a Senior iOS Engineer with over 8 years of experience building high-impact, user-focused mobile apps across fintech, AI, and smart home domains. I love turning business goals into elegant, scalable solutions and am passionate about UI/UX, performance optimization, and integrating third-party APIs.

Based in The Hague, Netherlands, I lead cross-functional teams, redesign architectures for scale, and build reusable components and SDKs to accelerate development. I thrive on collaborating with designers, backend engineers, and product managers to deliver delightful, reliable mobile experiences.

Skills

Experience Level

Expert

Expert

Expert

Intermediate

Intermediate

Language

English

Fluent

Russian

Fluent

Work Experience

Senior iOS Developer at Confidential Project (Remote)

October 1, 2024 - Present

Designed and implemented an iOS chat SDK from scratch. The SDK delivers significantly better performance and smoother UI compared to the client’s Flutter app. Led architecture, performance and API design, focusing on ease of integration and maintainability. Explored and validated integration paths for embedding the SDK in Flutter and React Native environments. Operated autonomously in a lean, startup-like environment, turning high-level product ideas into real, shippable code.

Senior iOS Developer at Confidential Project (Remote)

May 1, 2024 - October 1, 2024

iOS app for AI assistants chat with Bluetooth headset integration. Built a marketplace for AI assistants, enabling seamless integration and interaction. Implemented chat features with voice messages, leveraging Combine and async/await. Integrated Bluetooth headset commands via Core Bluetooth. Coordinated with vendor to define command handling and ensure smooth connectivity. Performed performance profiling and optimized app responsiveness.

Technical Lead iOS Developer at RTK-IT

January 1, 2023 - May 1, 2024

Spearheaded development of a core application for service users ensuring scalability and stability. Redesigned architecture, replacing legacy navigation with SwiftUI NavigationStack for better scalability. Automated CI/CD workflows with GitLab CI, improving deployment efficiency. Fixed critical bugs and optimized cross-platform compatibility (SwiftUI with Kotlin Multiplatform). Built reusable SwiftUI components aligned with design systems. Worked in a cross-functional Agile team with designers, backend engineers, and product managers.

Technical Lead iOS Developer at RTK-IT

March 1, 2019 - December 1, 2022

Developed and maintained core Smart Home app used by thousands of daily users. Increased crash-free rate from 96% to 99%. Migrated UI from storyboard to reusable UIKit components. Automated builds and CI/CD pipelines with GitLab CI and Fastlane. Fixed critical bugs and optimized cross-platform compatibility (SwiftUI with Kotlin Multiplatform). Built reusable SwiftUI components in line with design systems. Worked in a cross-functional Agile team.

Senior iOS Developer at Taxcom Moscow

June 1, 2017 - March 1, 2019

Led development of five apps, four of which were created from scratch, optimizing for performance and scalability. Designed a VIPER architecture template adopted across multiple projects. Migrated existing projects from Objective-C to Swift, modernizing the codebase and improving maintainability.

Android Developer at 24AU Krasnoyarsk

September 1, 2015 - June 1, 2017

Developed a fully-functional e-commerce Android app for the local market, featuring private messaging and real-time bidding. Collaborated with backend teams using GoLang APIs.