Hermann Dorio

Contributed to the re-architecture of the GoDaddy Conversations Inbox app (5M users, 400K MAU), improving performance, scalability, and maintainability.

Led the development of a real-time multi-product messaging system using WebSockets and APNs, collaborating closely with backend teams.

Refactored session management and network layer, implementing retry logic with exponential backoff and network monitoring via NWPathMonitor, increasing reliability under unstable network conditions.

Developed and launched the Focus Tab feature (SwiftUI, MVVM), allowing users to track connected/disconnected services (social media, email), increasing user engagement by 15%.

Enhanced media capabilities by adding GIF support and optimizing upload/download workflows for improved performance and user experience.

Drove improvements in user satisfaction and daily active usage through performance optimizations and feature enhancements.

• Refactored large legacy Objective-C codebases into Swift, improving readability,

maintainability, and performance.

• Introduced MVVM architecture on multiple client applications, increasing testability and

long-term scalability.

• Improved automated test coverage and reduced regression issues across several production

apps.

• Contributed to architectural decisions for high-traffic client applications in finance and travel

industries.

• Developed user-facing features such as Instagram Stories customization, media sharing,

and Sign in with Apple, increasing daily active usage.

• Applied MVVM and Clean Architecture with RxSwift to improve separation of concerns

and reduce crash rates.

• Integrated GraphQL APIs to unify message schemas across multiple social media

platforms, reducing client-side parsing complexity and code duplication.

• Worked on performance-critical features in a high-scale social media platform

environment.