Daniel Tsema Email & Phone Number

Atlanta, Ga, Us

Remote

o Working independently with small business clients to create, develop, and support solutions for their business. o Designed, developed, and deployed Django/JavaScript, Android, and iOS applications serving as the client's fundamental business management application.o Articulated the vision for ocgeorgia.com, designing and launching a real estate marketing website that captures the essence of property showcasing using WordPress, Elementor, and MySQL.

Smyrna, Georgia, United States

o (Java, Kotlin) Developed and maintained the MDDV (Multipurpose Digital Data Viewer) application, a Class-6 IETM (Interactive Electronic Technical Manual) built-in CSDB (Common Source Database), providing the best support for S1000D, SGML, DITA, PDF, and integrated digital wiring.o Collaborated with a team to support S1000D manuals for aircrafts and parts, serving US Air Force and international military clients.o Implemented Java/Kotlin backend and Angular/JS frontend for MDDV,… Show more o (Java, Kotlin) Developed and maintained the MDDV (Multipurpose Digital Data Viewer) application, a Class-6 IETM (Interactive Electronic Technical Manual) built-in CSDB (Common Source Database), providing the best support for S1000D, SGML, DITA, PDF, and integrated digital wiring.o Collaborated with a team to support S1000D manuals for aircrafts and parts, serving US Air Force and international military clients.o Implemented Java/Kotlin backend and Angular/JS frontend for MDDV, transforming aircraft manuals into an interactive format with extensive tools for search, navigation, referencing, and more.o Integrated MDDV with Oxygen Editor, ArborText Editor, and XSLT processing to convert large datasets into the MDDV format.o Managed and processed large, highly sensitive XML datasets for MDDV. Show less

Remote

o Spearheaded application development for the US Army, enhancing field medics' ability to capture, process, and manage patient data.o Collaborated and heavily contributed to the entire development lifecycle—from inception to production.o Worked on solutions to collect and integrate patient intake process into the cloud to solidify workflows and preventloss/corruption of data.o Integrated remote (BT, Socket, BTLE) technologies to facilitate accurate collection of… Show more o Spearheaded application development for the US Army, enhancing field medics' ability to capture, process, and manage patient data.o Collaborated and heavily contributed to the entire development lifecycle—from inception to production.o Worked on solutions to collect and integrate patient intake process into the cloud to solidify workflows and preventloss/corruption of data.o Integrated remote (BT, Socket, BTLE) technologies to facilitate accurate collection of sensor data.o Created wireframe designs and adhered to solid UI/UX principles.o Contributed to the Tactical Telemedicine Enhanced (T2E) project under Army Medical Command (MEDCOM). o Designed, developed, and maintained five Android applications utilizing Kotlin and Java.o Leveraged a wide array of technologies including SQLite, Postgres, Mysql, MSSQL server, Gradle, XML, JDBC,JSON, Android SDK, NDK, Java, Kotlin, Google Places API, Google Maps, Git, Android Studio IDE, Firebase,RESTful Api’s, UI constructs (View, Controller, Recycler), HTTP, HTML, REST architecture, and more.o Ensured adherence to Object-Oriented (OOP) principles and continuous integration/delivery (CI/CD) strategies. o Integrated modern design patterns and architectures including Observer (using RxKotlin, Kotlin Flows, LiveData, Coroutines), Repository Database Design, and MVVM (with ViewModel, LiveData, DataBinding).o Maintained top-tier code quality through JUnit testing.o Collaborated within an Agile/Scrum environment, optimizing application performance and concurrency management. o Built and integrated APIs using C#/.Net and showcased proficiency in UI constructs, REST architecture, multithreading, and more. Show less

Atlanta, Georgia, United States

o Collaborated with enterprise and personal clients throughout the development lifecycle to design and implement solutions.o Adapted to various roles and technologies.o Pioneered the development of GTS Web, an enterprise-grade Django/JavaScript web application. This served as acomprehensive business management tool encompassing features such as patient intake, medical appointment handling, contractor payroll, scheduling, insurance management, billing, invoice generation… Show more o Collaborated with enterprise and personal clients throughout the development lifecycle to design and implement solutions.o Adapted to various roles and technologies.o Pioneered the development of GTS Web, an enterprise-grade Django/JavaScript web application. This served as acomprehensive business management tool encompassing features such as patient intake, medical appointment handling, contractor payroll, scheduling, insurance management, billing, invoice generation, location mapping, SMS reminders, and email API integrations. Technologies harnessed: Django, PostgreSQL, React, Redux, Twilio SMS API, and SendGrid.o Devised and enhanced enterprise Android applications for Ole Mexican Foods using Java, Kotlin, Android SDK, and Retrofit:— Ole DSD: Facilitated the invoicing of direct store deliveries with features like custom Bluetooth receipt printing, automatic document detection using OpenCV, invoice management, and product integration.— Ole Survey: Designed for in-store product surveys with capabilities like location tracking via Google Maps API, pricing computation, and inventory oversight.o Developed SoundCapsul, a dual-platform solution for the entertainment sector, combining an Android app and a PHP/JavaScript web application. Technologies utilized: PHP, Laravel, MySQL, React Native, Firebase, and WebRTC.o Contributed to the social sphere by creating The Praise Report App using Flutter for cross-platform functionality, catering to the Christian community and integrating Firebase authentication and Firestore for data storage.o Established TheBlackPoint app, designed specifically to highlight and navigate black-owned businesses and events. Technologies integrated: Java, Kotlin, Firebase Realtime Database, Stripe for in-app purchases, and Firebase for push notifications. Show less