Andrii Halabuda Email & Phone Number

Toronto, On, Ca

Toronto, Ontario, Canada

• Designed, coded, reviewed, and tested assigned support issues, features, and user stories, following Agile methodologies to ensure timely and high-quality deliverables in line with Diligent’s standards.• Collaborated closely with product owners and customer teams to analyze, document, and refine technical requirements and user stories, ensuring all details align with project objectives and user expectations.• Developed and assessed programming specifications to design and rigorously test computer software and mobile applications, maintaining a strong focus on functionality, reliability, and user experience.• Contributed to the creation of high-quality operational and system documentation, supporting both current workflows and future reference needs.• Led efforts to streamline tooling, hosting, and quality assurance processes for the products under team management, enhancing efficiency and consistency.• Fostered effective communication with other development teams, production operations, and various technology groups to facilitate the smooth and regular delivery of working software, aligning cross-functional efforts to meet project goals.Key technologies: SwiftUI, Combine, UIKit, Objective-C, XCTest, REST, Xcode Cloud, GitHub, Jenkins, Frameworks, Security, Obfuscation, Accessibility, Localization, Jira, Confluence, Scrum

Warsaw, Mazowieckie, Poland

• Engaged in project meetings with architects, business analysts, developers, and other project stakeholders, exchanging insights and aligning project direction with the strategic vision, ensuring every detail met both technical standards and client expectations.• Executed programming tasks to develop and enhance internet and mobile applications, focusing on optimizing functionality and user experience across multiple platforms.• Collaborated closely with the technical leader and cross-functional team members to ensure cohesive development efforts and alignment with project goals, actively contributing to brainstorming sessions and technical discussions.• Created and updated project documentation, capturing design choices, development milestones, and technical specifications to facilitate project continuity and provide a reliable reference for future improvements.Key technologies: SPM, UIKit, SwiftUI, Combine, XCTest, Fastlane, REST, SwiftyJSON, SnapKit, KingFisher, DI, Build Configurations, Localization, Agile

Warsaw, Mazowieckie, Poland

• Worked on a dynamic and data-driven app built in Swift, integrating RESTful services for seamless server communication and JSON parsing to handle and structure data. • Implemented robust data management using Realm Database to ensure efficient offline storage and quick access. • Employed dynamic loading techniques to optimize the app's performance and provide a smooth user experience.• Incorporated in-app purchases to unlock premium features, enhancing the app's monetization. • Focused on a scalable, maintainable, and user-friendly solution through effective data handling and clean architecture.Key technologies: MVC, UIKit, Realm Database, SPM, StoreKit, REST API, JSON, Notification observer, User Defaults, GCD, Data modeling, DI, Animations, GitHub

Warsaw, Mazowieckie, Poland

• Collaborated as a member of a cross-platform Agile team, contributing to the definition, design, and successful launch of new features, ensuring each release met high standards and user expectations.• Actively engaged in open communication with team members and clients, streamlining workflows and sharing valuable insights to efficiently gather necessary information for problem-solving.• Performed modification, configuration, and adaptation of existing software solutions to align with evolving requirements, enhancing functionality and user experience.• Conducted thorough software testing and implemented timely bug fixes, maintaining product reliability and quality standards across releases.• Developed and maintained comprehensive system documentation to support ongoing development.Key technologies: UIKit, SwiftLint, GCD, Delegation, Protocols, Closures, Completion handlers, Notification observer, REST, CocoaPods, XCTest

Warsaw, Mazowieckie, Poland

• Created projects for clients from the United States and India from scratch to market launch with 5-star feedback. • Developed apps based on MVC architecture following the best practices including the SSOT, SOLID principles, Singleton and Dependency Injection. • Completed projects on time and deployed to the App Store.Key technologies: UIKit, Auto Layout, Storyboards, Persistence, Programmatic views, CocoaPods integration, UI Testing, Error Handling, AppStore Connect, AdMob, in-App purchases, UI Design in Sketch and Photoshop