Led full design, development, and testing of Android applications in Kotlin, managing complete project lifecycle. Migrated architecture from MVC to MVVM to improve maintainability, scalability, and testability. Applied best practices and optimizations for stability and performance. Produced comprehensive documentation for all project phases.

Oversaw design, development, and testing of Android applications in Kotlin for Petzey Phase I and Young Living projects. Produced comprehensive documentation for all project stages to enable clear communication and maintainability.

Designed, developed, and tested Android and iOS mobile applications for BAC Credomatic. Engineered backend systems and web services in Java. Created backend service mocks using Node.js. Utilized TypeScript in hybrid mobile components with Cordova and Kendo UI. Integrated databases (Oracle, Azure DB) using SQL. Produced technical documentation and conducted training sessions. Collaborated closely with mobile teams to ensure backend APIs met requirements.

Collected and analyzed business requirements. Designed, developed, and tested Android mobile applications and backend systems with RESTful web services in Java. Designed and deployed database solutions using Oracle SQL. Developed web systems using Angular and PrimeFaces. Produced comprehensive technical documentation.

Gathered and analyzed business requirements. Designed, developed, and tested Android mobile applications. Created and implemented database architectures in Oracle SQL. Developed and tested web systems using Java and PrimeFaces. Produced detailed technical documentation. Led training sessions for client teams.

Conducted detailed surveys and client meetings to gather project requirements. Managed end-to-end development of an Android application in Java. Prepared comprehensive documentation and delivered client training sessions.

Conducted surveys and meetings to gather project requirements. Designed, developed, and tested SQL Server stored procedures. Developed and tested WCF services in C#. Produced comprehensive technical documentation.

Gathered and analyzed business requirements. Designed, developed, and tested a complete Android mobile application in Java. Created and maintained comprehensive technical documentation. Delivered training sessions to client teams.

Conducted requirements gathering. Designed, developed, and tested a mobile application in Java for Android. Created and implemented database solutions in PostgreSQL. Built and tested backend systems and web services using Ruby on Rails. Developed and optimized Windows services in C#. Produced comprehensive technical documentation. Delivered training sessions to end-users and client teams.