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I am Semen Hetrik, a senior software engineer with over 20 years in the field and more than a decade specializing in iOS. I’ve delivered 10+ iOS apps across automotive, geospatial, fintech, streaming, and enterprise domains, leveraging Swift, Objective-C, and C++. Beyond coding, I excel at system integration, performance optimization, and leading small teams of up to five developers. I’m open to onsite roles in Germany and Luxembourg as well as remote opportunities.…I am Semen Hetrik, a senior software engineer with over 20 years in the field and more than a decade specializing in iOS. I’ve delivered 10+ iOS apps across automotive, geospatial, fintech, streaming, and enterprise domains, leveraging Swift, Objective-C, and C++. Beyond coding, I excel at system integration, performance optimization, and leading small teams of up to five developers. I’m open to onsite roles in Germany and Luxembourg as well as remote opportunities.

Semen Hetrik

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

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I am Semen Hetrik, a senior software engineer with over 20 years in the field and more than a decade specializing in iOS. I’ve delivered 10+ iOS apps across automotive, geospatial, fintech, streaming, and enterprise domains, leveraging Swift, Objective-C, and C++. Beyond coding, I excel at system integration, performance optimization, and leading small teams of up to five developers. I’m open to onsite roles in Germany and Luxembourg as well as remote opportunities.…I am Semen Hetrik, a senior software engineer with over 20 years in the field and more than a decade specializing in iOS. I’ve delivered 10+ iOS apps across automotive, geospatial, fintech, streaming, and enterprise domains, leveraging Swift, Objective-C, and C++. Beyond coding, I excel at system integration, performance optimization, and leading small teams of up to five developers. I’m open to onsite roles in Germany and Luxembourg as well as remote opportunities.

Available to hire

I am Semen Hetrik, a senior software engineer with over 20 years in the field and more than a decade specializing in iOS. I’ve delivered 10+ iOS apps across automotive, geospatial, fintech, streaming, and enterprise domains, leveraging Swift, Objective-C, and C++.

Beyond coding, I excel at system integration, performance optimization, and leading small teams of up to five developers. I’m open to onsite roles in Germany and Luxembourg as well as remote opportunities.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Language

English

Intermediate

German

Beginner

Russian

Fluent

Ukrainian

Fluent

Work Experience

Senior iOS Developer, Team Lead at GlobalLogic

March 31, 2025 - September 9, 2025

Built iOS map service app with ArcGIS SDK, including offline maps (20+ GB). Migrated KMM to Swift, improving performance by 30%. Led team of 5 developers (planning, code reviews). Developed streaming app for CarPlay, BMW, Ford; integrated Waze maps (20% lower latency).

Senior iOS Developer at Windmill, Progress Tech, SoftServe, Form.com

May 31, 2019 - September 9, 2025

Delivered 7+ iOS apps: enterprise platforms, fintech SaaS (Form.com), video calling. Refactored legacy Cordova → Swift codebase, integrated REST APIs with CoreData/Realm. Designed scalable architectures and mentored junior developers.

C++ / Objective-C Developer at Various Companies

December 31, 2015 - September 9, 2025

Built a mobile client for a global online marketplace; developed apps for B2C startups; created iOS and Android games using Cocos2dx (C++), Objective-C, and Java. Also developed marketplace clients, cross-platform games, and desktop medical/lab software and automation tools.