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.

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.
• 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.
• 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.

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.

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.

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.