Technical Proficiencies

I have been primarily focused on Apple’s technologies across iOS, iPadOS, macOS, visionOS, and tvOS since 2010.

Professional experience

Trifork GmbH

First iOS developer hired by Trifork in Poland. Successfully established and led the iOS team. Served as team leader, trainer, and developer.

• Match 2025 - Ongoing Iris Messenger
  Self-hosted chat application for iOS, built using the XMPP protocol.
  Swift SwiftUI UIKit XMPPFramework MongooseIM

• Dec 2024 - Apr 2025 USAA Water Mitigation
  Virtual reality application developed for VisionOS to assist instructors during water mitigation training sessions.
  Swift SwiftUI VisionOS

• Aug 2022 - Nov 2024 Hollywoodbets
  Responsible for porting ReactJS web betting application to iOS and Android native apps.
  ReactNative TypeScript JavaScript jest Redux Redux-Saga Microsoft Azure Microsoft App Center

• Aug 2019 - Nov 2021 Supertrends
  A mobile application designed to track, analyze, and predict global trends, innovations, and technologies, empowering users to make well-informed business decisions.
  Swift UIKit UIKit Dynamics Core Graphics Core Animation SceneKit Apollo iOS GraphQL

• Dec 2017 - Oct 2018 Systematic Columna Cura
  The electronic care record that ensures efficient documentation and optimal task management of community care services.
  FHIR Swift UIKit Core Graphics Core Animation

• Jul 2017 - Ongoing TFPDFKit
  SignDoc’s PDF handling is built on top of this foundation.
  PDFKit

• Jul 2016 - Nov 2018 GOTO Guide
  GOTO Guide provides easy access to features such as real-time session voting, live question submission, and the ability to comment on your vote.
  Swift Objective-C UIKit Core Data Core Graphics Core Animation

• May 2016 - Ongoing BI Reporting
  A business intelligence tool used to collect financial data in spreadsheet like manner and visualize it through charts. Swift UIKit Core Data Core Graphics Core Animation SwiftyJSON Decodable Encrypted Core Data SQLite Store Locksmith

• May 2016 - Ongoing SignDoc
  PDF document singing solution.
  Swift UIKit Core Data Core Graphics Core Animation Vapor Docker

• Feb 2016 - Mar 2017 Expat Tracker
  Expat Tracker keeps track of the countries you visit and provides reports for your tax return.
  Swift Objective-C UIKit Core Data Core Graphics Core Animation Core Location SwiftyJSON

  

• Oct 2015 - Mar 2016 Danske Bank WeShare
  WeShare is an app designed to simplify expense tracking for groups during trips, parties, or shared activities. It allows users to share costs, send photos, and chat—all within a single platform.
  Swift Objective-C UIKit Core Data Core Graphics Core Animation Core Location SwiftyJSON

  

• Aug 2015 - Oct 2016 Hemonto
  Mobile investment reporting applciation. I was responsible for developing specific components of the application and providing ongoing client support.
  Swift UIKit Core Graphics Core Animation SwiftyJSON

• Nov 2014 - Dec 2015 Credit Suisse Zürich Strategy Review
  Due to an NDA I am not allowed to discuss the project.
  Objective-C UIKit Core Data Core Graphics Core Animation

• Sep 2013 - Jul 2015 Credit Suisse Zürich Portfolio Review
  Due to an NDA I am not allowed to discuss the project.
  Objective-C UIKit Core Data Core Graphics Core Animation

• Sep 2012 - Oct 2014 Credit Suisse Zürich Strategy Navigator
  Due to an NDA I am not allowed to discuss the project.
  Objective-C UIKit Core Data Core Graphics Core Animation

• Aug 2012 - Sep 2014 Woodman Wealth Management AG
  Primarily responsible for bug fixing and making minor adjustments to the application.
  Swift Objective-C UIKit Core Data Core Graphics Core Animation Git Jenkins Google Analytics

• Jul 2014 - Jul 2014 MDI
  Developed a prototype of a chat client tailored to the needs of very busy professionals, such as CEOs and COOs.
  Objective-C UIKit Core Data Core Graphics Core Animation Core Location

• Feb 2014 - Jul 2014 Credit Suisse Zürich iHypo
  Due to an NDA I am not allowed to discuss the project.
  Objective-C UIKit Core Data Core Graphics Core Animation

• Apr 2013 - Feb 2014 KMD SmartCARE
  KMD SmartCARE is a mobile application designed for nurses and homecare workers in Danish municipalities. The solution enables healthcare professionals to deliver home care services efficiently, with all necessary patient data accessible on the go. With SmartCARE, users can view and update patient documentation and communicate seamlessly with colleagues, doctors, pharmacies, and hospitals.

• Feb 2013 - Apr 2013 eMobility Secure Data
  We were responsible for developing a component that provided transparent 256-bit AES full-database encryption for Apple’s Core Data.

• Feb 2013 - Feb 2013 Ongoing QCon London Guide
  Responsible for rebranding the Trifork Event App for QCon London 2014, testing it, and releasing it on the App Store.

• Jan 2013 - Mar 2014 Trifork Event App
  Responsible for application maintenance, bug fixes, and implementing new features, including session voting and the ability for users to submit questions to speakers during talks.
  Objective-C UIKit Core Data Core Graphics Core Animation

• Nov 2012 - Aug 2013 Radiometer - Selling Against Competitors
  A mobile application developed to support users in selling medical equipment efficiently.

• Sep 2012 - Sep 2013 Proofer
  A mobile app that provides a platform for users to register their products, enabling them to easily file insurance claims when needed.

• Sep 2012 - Oct 2012 Skriveormen
  Responsible for localizing the application into Danish and implementing a feature that allows users to switch the application language on the fly.

• Jan 2012 - Oct 2012 Top Ten Garage
  Responsible for developing the game engine that allowed players to collect cards and compete against either the computer or other players, using Apple’s Game Center or Bluetooth.
  Objective-C UIKit Core Data Core Graphics Core Animation GameKit AFNetworking JSONKit Twitter Facebook Google Analytics In-App Purchases

  

• Oct 2011 - Jul 2012 Credit Suisse Zürich
  Global Research Mobile application. Due to an NDA I am not allowed to discuss the project.
  Objective-C UIKit Core Data Core Graphics Core Animation XML HTML CSS Mercurial Jenkins

GameLab Innovation Center

Prototyped and developed game engines, collaborating closely with both 2D and 3D artists.

• Aug 2011 - Oct 2011 Last Temple 2
  Released version 2.0 of the game engine. Project continuation was transitioned to another developer.
  Objective-C Cocos2D OpenGL Tiled Glyph Designer

• Feb 2011 - Jul 2011 The Dungeon Saga, The Dungeon Saga HD
  Enhanced the Last Temple engine to support a dungeon crawler game featuring player-versus-computer combat.
  Objective-C Cocos2D OpenGL Tiled Glyph Designer

• Jul 2010 - Jan 2011 Last Temple, Last Temple HD
  Built the game engine and implemented tools to simplify stage creation for level designers.
  Objective-C Cocos2D OpenGL Tiled Glyph Designer

  

Freelancer

• May 2010 - Sep 2011 Trendy
  A macOS application for managing stocks in long-term investment strategies.
  Objective-C AppKit Core Data Amazon S3 Sparkle Growl

Education

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AGH University of Krakow

• 2005 - 2010 - Master of Engineering (MEng), Automatics and Robotics with major in Computer Science in Control and Management.
• Rector scholarship for the best students, 10/2008 - 06/2009
• Grade: Better Than Good (4.5 / 5.0)