Artur K.

• Contributed to the development of a Swift-based SDK that enabled advanced gaming functionalities to be integrated into third-party applications.
• Helped build and maintain a white-label mobile application powered by the SDK, delivering gaming experiences to a global audience.
• Developed and optimized features using Swift, SwiftUI, and modern concurrency tools such as async/await.
• Ensured high performance and scalability to support millions of active users.
• Conducted code reviews and performance profiling to maintain code quality and efficient resource usage.

• Contributed to the development of a large-scale health and wellness mobile application.
• Developed key features using Swift and SwiftUI, integrating health tracking platforms and fitness devices.
• Implemented and optimized GraphQL-based data operations to improve data efficiency and responsiveness.
• Improved code quality and deployment workflows by integrating SwiftLint and enhancing CI/CD pipelines on Bitrise.
• Conducted code reviews, debugging, and performance profiling to ensure application stability and efficiency.

IoT App

• Developed an iOS application for configuring and managing an automated IoT system with gateways, sensors, and weather stations.
• Implemented BLE communication between mobile devices and IoT nodes for data exchange and device control.
• Built core modules for real-time synchronization between the mobile app and remote servers.
• Was promoted to Tech Lead in 2017, mentoring developers and coordinating feature delivery.

Environmental Conditions App

• Contributed to the development of an iOS application for monitoring and analyzing environmental conditions worldwide.
• Implemented data visualization features using maps and charts to display weather station metrics.
• Integrated real-time server data and user subscriptions to selected weather stations.
• Conducted code reviews and mentored junior developers while supporting delivery and release processes.

• Contributed to the development of the iPad version of the Meetville social networking app for chatting and dating.
• Implemented UI components using UIKit and Storyboards to optimize the user experience on iPad devices.
• Integrated backend services via Parse to support user authentication, messaging, and content management.
• Worked with analytics tools to track user engagement and improve application performance.
• Collaborated with developers and QA engineers to deliver a stable application used by millions of users.

• Participated in developing an iOS racing application that provided users with real-time updates on race positions, telemetry data, videos, and social media integrations;

• Implemented custom user interface components and contributed to the app’s database architecture using CoreData;

• Integrated authentication via OpenID and connected the app with third-party SDKs, including Twitter and BrightCove;

• Delivered core components such as a web view controller, main menu, and live video player;

• Configured and managed data feeds from the Internet, including preparation of configuration files for dynamic updates;

• Conducted testing and deployment through TestFlight, collaborating with QA engineers to ensure app stability;

• Utilized Objective-C, Xcode, UIKit, AVFoundation, SBJson, and HTML for development, while managing tasks via Jira.