Freelancer Android Engineer - Matador, US 2020 - April 2025

- Developed Android SDKs using Kotlin and Jetpack with MVVM architecture. - Worked in an Agile environment with a team of 6. - Optimized CI/CD pipelines with GitHub Actions and Fastlane. - Wrote unit tests to achieve 80% test coverage, reducing QA cycles by 15%. - Collaborated with product managers and designers to implement Material Design, enhancing usability.