Bohdan Sobko Email & Phone Number

Poland

• Migration from Xamarin to MAUI (Xamarin.Native,.net8, MAUI)
• Achieved a 100% reduction in UI automation-related bugs, significantly enhancing the efficiency of test cycles and broadening test coverage (C#, Xamarin, Appium, Pendo)
• Enhanced app stability by reducing end-user bugs through code optimization, refactoring platform-specific modules, and resolving incorrect app behavior (C#, Xamarin, Android & iOS SDKs)

Warsaw, Mazowieckie, Poland

• Led the IT strategy for a transportation company, achieving a 40% boost in overall efficiency. Key results include a 30% reduction in trucker downtime, a 20% increase in application performance, and a 70% rise in.
• Developed a multi-channel AI chatbot using OpenAI API, reducing consulting workforce needs by 80% and generating consistent monthly cost savings.
• Created a cross-platform mobile app for drivers, automating 40% of daily operations including identity verification, GPS-based time tracking, and reporting.
• Represented the company at local IT events, increasing strategic partnership conversion rates by 15% within the transportation industry.

Poland

• Full-cycle development of a large-scale Xamarin application with backend for it (.NET) for ERP-related infrastructure. The app is available on Google Play and the App Store.
• Performance: Enhanced real-time data synchronization by 300% through the implementation of strategies such as lazy loading and RAW-SQL query optimization, resulting in improved end-user satisfaction.
• Quality Assurance: Reduced bug introduction post-update by 30% through the implementation of robustautomated testing methodologies, including Xamarin.UITest and unit testing with NUnit/Moq.
• Documentation: I significantly increased project documentation coverage from 10% to 90%, resulting in a 50% reduction in clarification time and an 80% improvement in project transparency, as evidenced byfeedback from.
• Code Refactoring: Led initiatives to increase bug-fixing speed by 20% and reduce the impact of newchanges on existing functionalities by 30% post-updates through code refactoring.
• Process Improvement: Implemented an efficient PR creation/review process, resulting in a 30% reductionin time taken for pull request creation and review, and a 20% increase in the speed of merging changes into the main.

• Developed a mobile application for a finance company, resulting in a 20% increase in user satisfaction scores and a 15% improvement in user retention rates
• Successfully launched a brand-new finance platform in less than two months
• Eliminated 100% of memory leaks and enhanced UI rendering performance, significantly improving the overall user experience of the application
• Revamped the user interface for iOS and Android platforms, resulting in a 25% increase in userengagement and a 20% decrease in bounce rates, effectively improving user interaction and retention.

Ukraine

• Diligently optimized application performance and conducted comprehensive bug fixing, resulting in a 25% increase in app stability and a corresponding decrease in customer support requests
• Improved project quality and reliability by increasing unit test coverage from 15% to 60%. This enhancement resulted in fewer defects reaching production, ultimately enhancing customer satisfaction and retention.
• Firebase DB: Integrated Firebase Database into the application architecture, enabling real-time datasynchronization and offline capabilities, resulting in a seamless user experience even in low-connectivityenvironments
• Push Notification: Implemented a robust push notification system, increasing user engagement by 25% and driving higher retention rates, improved communication with users and enhanced the overall app experience.

Vinnytsya, Ukraine

• Led the development of two applications from concept to launch, consistently meeting project deadlines and requirements.
• Enhanced user engagement through personalized in-app notifications and gamification features, leading to a 25% increase in daily active users during the same period
• Generated a 30% uplift in in-app purchases (Stripe) and advertising revenue by optimizing user monetization strategies based on user behavior analytics, contributing to the overall revenue growth.
• Daily decision-making resulted in 30% faster feature implementation and update release, boosting App Store rating by 0.5 points

Vinnytsya, Ukraine

• Contributed to a startup team that successfully launched a messenger app similar to Rakuten Viber, operating under a non-disclosure agreement (NDA)
• Ensured timely launch and fulfillment of all functional and non-functional requirements
• Executed crucial tasks for the app's development

Vinnitsia, Ukraine

• Rework and support of client applications for GIS systems (C #, Windows Forms,.NET Web API)

Doctor Of Sciences (Incomplete), Computer Science And Information Technology, Incompeted

Activities and Societies: Led the planning and execution of a hackathon aimed at fostering innovation in technology solutions for.

Master'S Degree, Computer-Based Environmental And Economic Monitoring, Computer System Enginner

Activities and Societies: Actively participated in discussions and events related to environmental conservation and sustainable.

Engineer'S Degree, Software Development

During my time at STEP IT Academy, I immersed myself in a dynamic learning environment, honing my skills in software engineering.

Bachelor Of Technical Sciences, Computer Science

Activities and Societies: Contributed to organizing and participating in events aimed at promoting education in local communities.

Diploma Of Education, Service Of Computer Systems And Networks

Activities and Societies: Member of Student Council: Served as a deputy headman, actively contributing to student affairs, organizing.