Responsible for the back-end team of Exact Construction. This is a PHP and Python based codebase with a MySQL database, that is hosted in AWS and K8s.

Created an App framework in Xamarin Forms that allowed us to configure multiple Apps instead of programming it. Functional entities are grouped in modules that are injected using a DI framework. This App framework is build to support multiple backend products with multiple authentication types (Basic, NTLM, OAuth). Different techniques are used for dynamic screen building so that it can be configured in the app or retreived from the server. the Apps are build for iOS, Android and… Show more Created an App framework in Xamarin Forms that allowed us to configure multiple Apps instead of programming it. Functional entities are grouped in modules that are injected using a DI framework. This App framework is build to support multiple backend products with multiple authentication types (Basic, NTLM, OAuth). Different techniques are used for dynamic screen building so that it can be configured in the app or retreived from the server. the Apps are build for iOS, Android and UWP.Initial research in the migration of our Xamarin codebase to .Net 8 MAUI, prepared multiple migration paths including converting the code to rearchitecturing the entire framework. Show less

Senior Software Engineer responsible for the architecture and implementation of our Mobile apps for iOS, Android, Windows Phone 7/8 and Windows 10 Universal

Involved in the creation of a WPF shell that wraps multiple instances of legacy pages from a Vb6/C++ product. The WPF shell was build using MEF as DI framework and Caliburn Micro as MVVM framework.

Implemented a Single Sign On system based on the Microsoft Identity Framework. This system allows external customers to be registered as a federated identity for several of the Exact products. Also created the admin website that is used to maintain this system

Designed and developed a technical framework that will be used in a future product/service. This platform is a community based SAAS solution using a SOA environment. Developed a meta-data driven dynamically generated UI for the windows platform and the Web using the latest techniques like AJAX, JQuery and WPF for the rich clients and WCF for the communication with the server. The design is done using UML in a SCRUM development process.

Creating a SDK for the current back office financial software product of Exact. This includes design, development, QA, support to third party developers, national and international, that used this SDK. To educate these third party developers I also gave presentations, workshops and complete trainings. After 3 years the SDK was incorporated in the standard product and maintained in Malaysia. I lead the knowledge transfer to the development division in Malaysia and trained the developers there to… Show more Creating a SDK for the current back office financial software product of Exact. This includes design, development, QA, support to third party developers, national and international, that used this SDK. To educate these third party developers I also gave presentations, workshops and complete trainings. After 3 years the SDK was incorporated in the standard product and maintained in Malaysia. I lead the knowledge transfer to the development division in Malaysia and trained the developers there to fully take over our tasks. Show less

Graduation research of the implementation of a Service Selection Gateway using a Cisco router and network configuration, LDAP directory, RADIUS server and HTML.

Design and implementation of distributed internet, network and database software using Supernova, Rebol, Javascript, HTML and SQL

Design and implementation of distributed internet, network and database software using Supernova, Rebol, Javascript, HTML and SQL