Davor Denikj

• Lead the end-to-end product lifecycle for iOS and iPadOS applications, from architectural design to App Store release.
• Define technical strategy and architecture for mobile and backend systems, ensuring scalability and long-term maintainability.
• Lead and mentor the development team, establish coding standards, conduct reviews, and enforce engineering best practices.
• Design and implement secure backend services and REST APIs powering mobile and web applications.
• Design, build, and maintain CI/CD pipelines and containerized infrastructure using Docker, Kubernetes, and Azure DevOps.
• Coordinate across product, design, and infrastructure teams to align technical execution with strategic goals.
• Design and implement secure authentication and authorization solutions using Keycloak, including OAuth 2.0, OpenID Connect (OIDC), role-based access control, and single sign-on (SSO).
• Establish observability practices using OpenTelemetry, centralized logging, distributed tracing, and metrics.

Tech: .NET 10, C#, ASP.NET Core, EF Core, Swift, SwiftUI, React, REST APIs, Docker, Kubernetes, Azure DevOps, OpenTelemetry

• Led architecture and development of a Swift-based SDK, reducing hearing aid reconnection time from approximately 20 seconds to under 1 second by optimizing Bluetooth Low Energy (BLE) reconnect logic.
• Modernized the Xamarin SDK and led its migration to .NET MAUI, improving performance and cross-platform maintainability.
• Defined mobile architecture standards and ensured compliance with medical device software requirements.
• Conducted senior-level technical interviews and candidate assessments.
• Collaborated with international cross-functional teams across iOS, Android, and backend domains.
• Prototyped innovation initiatives including Apple Vision Pro and live translation applications.
• Mentored junior and senior engineers, providing technical guidance and architecture reviews.

Tech: Xamarin, .NET MAUI, C#, Swift, SwiftUI, Bluetooth Low Energy, Mobile SDK development, TDD

• Enhanced and maintained enterprise applications for workforce and production management.
• Built C#/.NET MVC applications with SQL Server and stored procedures.
• Introduced unit testing to improve stability and code quality.
• Translated business requirements into scalable technical solutions.

Tech: .NET, C#, ASP.NET MVC, SQL Server, Stored Procedures, Data Warehousing, ETL, Unit Testing

• Delivered large system integrations for a UK insurance group using C# and TDD practices.
• Worked directly with client stakeholders on architecture and delivery status.
• Improved automated testing flows and supported junior engineers.
• Contributed to integration and automation testing for production reliability.

Tech: .NET, C#, TDD, System Integration, Integration Testing, Test Automation

• Built Windows Mobile and UWP apps with C#, XAML, and MVVM architecture.
• Developed ASP.NET MVC web applications with HTML5, CSS3, and JavaScript.
• Delivered healthcare and insurance domain solutions with focus on stability and performance.

Tech: C#, XAML, UWP, MVVM, ASP.NET MVC, HTML5, CSS3, JavaScript, jQuery

• Developed enterprise WPF applications for healthcare use cases.
• Designed SQL Server database structures and stored procedures.
• Delivered reporting solutions with Crystal Reports and XML/XSL transformations.
• Supported internal training and bank integration solutions.

Tech: .NET, C#, WPF, DevExpress, SQL Server, Crystal Reports, XML/XSLT, System Integration