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I am an iOS engineering leader with a strong mathematics background. I combine deep mobile expertise with recent AI and cross-platform development experience. Over my career, I have accumulated 10+ years of commercial Swift and Objective-C development experience and have successfully led iOS development teams including hiring and mentoring developers. My recent focus lies in cross-platform development using React Native for mobile and React for AI-powered web applications. I particularly enjoy building AI integrations, conversational interfaces, and AI-driven dashboards that enable faster and more efficient workflows, especially in fintech and medical claim analysis sectors.…I am an iOS engineering leader with a strong mathematics background. I combine deep mobile expertise with recent AI and cross-platform development experience. Over my career, I have accumulated 10+ years of commercial Swift and Objective-C development experience and have successfully led iOS development teams including hiring and mentoring developers. My recent focus lies in cross-platform development using React Native for mobile and React for AI-powered web applications. I particularly enjoy building AI integrations, conversational interfaces, and AI-driven dashboards that enable faster and more efficient workflows, especially in fintech and medical claim analysis sectors.

Oleksandr Burtnyk

App Developer, Web Developer, AI Developer

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I am an iOS engineering leader with a strong mathematics background. I combine deep mobile expertise with recent AI and cross-platform development experience. Over my career, I have accumulated 10+ years of commercial Swift and Objective-C development experience and have successfully led iOS development teams including hiring and mentoring developers. My recent focus lies in cross-platform development using React Native for mobile and React for AI-powered web applications. I particularly enjoy building AI integrations, conversational interfaces, and AI-driven dashboards that enable faster and more efficient workflows, especially in fintech and medical claim analysis sectors.…I am an iOS engineering leader with a strong mathematics background. I combine deep mobile expertise with recent AI and cross-platform development experience. Over my career, I have accumulated 10+ years of commercial Swift and Objective-C development experience and have successfully led iOS development teams including hiring and mentoring developers. My recent focus lies in cross-platform development using React Native for mobile and React for AI-powered web applications. I particularly enjoy building AI integrations, conversational interfaces, and AI-driven dashboards that enable faster and more efficient workflows, especially in fintech and medical claim analysis sectors.

Available to hire

I am an iOS engineering leader with a strong mathematics background. I combine deep mobile expertise with recent AI and cross-platform development experience. Over my career, I have accumulated 10+ years of commercial Swift and Objective-C development experience and have successfully led iOS development teams including hiring and mentoring developers.

My recent focus lies in cross-platform development using React Native for mobile and React for AI-powered web applications. I particularly enjoy building AI integrations, conversational interfaces, and AI-driven dashboards that enable faster and more efficient workflows, especially in fintech and medical claim analysis sectors.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Intermediate

Intermediate

Language

English

Advanced

German

Beginner

Ukrainian

Fluent

Russian

Fluent

Work Experience

iOS Lead (remote) / Web Developer (on-site) at headbits AG

August 31, 2025 - August 31, 2025

Led mobile development for fintech products collaborating remotely with Leonteq and GLKB. Coordinated sprints with Android developers to ensure cross-platform consistency and delivery. Built IoT prototype apps integrating sensors for smart building automation. Transitioned from remote iOS lead developer to on-site role focusing on React Native mobile apps, web projects, and AI integrations. Maintained web and hybrid apps using React and React Native with a focus on LLM integration, conversational interfaces, and AI-driven dashboards.

iOS React Native Developer at Bearmind

January 31, 2025 - August 31, 2025

Led React Native app development for a sports technology startup creating cognitive assessment tools for hockey players and staff. Developed dashboards and mobile apps enabling real-time sensor integration for cognitive testing. Integrated BLE and audio modules and shipped a test suite. Delivered production-ready platform enabling baseline and post-impact assessments.

iOS Developer at Bench

April 30, 2023 - August 31, 2025

Led iOS development for a Swiss fintech startup developing a 3-as-a-saving product for Swiss and UK markets. Managed the entire iOS development process from prototypes to App Store release, coordinating cross-platform efforts, guiding contractors, owning architecture and security, and ensuring platform parity. Successfully launched consumer-facing savings application in Swiss and UK markets.

iOS Freelance Contractor at Upwork

June 30, 2019 - August 31, 2025

Completed 11 mid-term contracts totaling 1,000+ hours of iOS development.

iOS Team Lead at Smarty m Pro

October 31, 2018 - August 31, 2025

Joined as sole iOS developer and built a 5-person iOS team, supporting growth from 4 to 40+ employees. Led iOS team hiring, mentoring, code reviews, and managed collaboration with Android teams. Supervised and developed over 15 projects ranging from MVPs to high-scale apps. Contributed to architecture, R&D, and computer vision features using OpenCV.

iOS Developer at Right Applications

December 31, 2014 - August 31, 2025

Played a key role during Aptito 2.0 launch, which drove an average monthly licensing revenue growth of 8.2%, doubling product revenue within a year.