• Refactor 3 field operations applications utilizing the latest technologies, significantly enhancing maintainability and reducing bugs by 95%. Migrate from XML UI to Jetpack Compose for a more efficient UI development.• Engineer a field operations integrating with ArcGIS Map app which distribute to multiple apps that close to 100% bug-free achieving more customers, directly contributing over 2 times increase in company value.• Develop and provide ongoing support for approximately 10 applications, along with coordinate with QA and teams troubleshoot and resolve issues ensuring high performance and stability across the board.• Set up CI/CD workflows and pipelines, reducing distribution time near to zero with single-click deployments.

• Delivered features and applications with a 100% success rate with over 17 clients using suitable frameworks and technologies under clients’ budgets.• Provided technical expertise and solved complex business problems while ensuring product quality.

• Developed 2 financial applications using use cases modular design patterns for scalability and maintainability.• Integrated new Android libraries such as Compose UI, Kotlin Coroutines, Kotlin Flow, Jetpack Security, Room, and Datastore to enhance applications’ performance of the ongoing projects.• Wrote Unit Tests using JUnit, MockK, Mockito, Hamcrest, Turbine and UI Tests using Android BDD with Cucumber and Espresso to ensure applications’ quality.• Collaborated with engineers, designers, QAs, and product teams to satisfy users’ goals.

• Worked on 6 mobile applications developing in Java, Kotlin, JavaScript, Typescript, and React Native with more than seventy thousand downloads on Google Play Store.• Developed applications with dependency injections, Kotlin Coroutines, MVP, MVVM, Clean Code Architecture, also third-party such as Firebase and Google Cloud services following its best practices.• Collaborated with developers, business teams, and clients to achieve clients’ goals using Agile and Scrum.