Josephine Mejia

Associate Software Engineer @Paramount

Salt Lake City, UT, US

Contributed to the development of Paramount’s streaming platforms by delivering user-facing features, A/B testing experiments, and scalable design system components across iOS and tvOS.Growth Team (A/B Testing)- Cleaned up codebase by deprecating and removing outdated A/B tests, reducing technical debt, and improving maintainability- Created and implemented A/B tests to optimize user experience and engagement- Resolved issues in key content display features, ensuring accurate and reliable functionality- Designed and delivered the “Hub Carousel” tvOS experiment, surfacing seasonal content- Test succeeded and was adopted as a permanent feature in the app.Voyager Design System (VDS) Team- Implemented and documented themeable design tokens (colors, gradients, sizing, icons) to replace hard-coded values, ensuring consistency across iOS and tvOS- Partnered with design to correctly apply tokens for light/dark mode and platform-specific requirements- Expanded token compatibility to support Pluto TV, aligning branding and UI consistency across streaming apps- Built reusable SwiftUI components integrated with tokens, reducing redundancy and simplifying future development.