Selected Projects

Developed a multi-language web application based on a research paper from an SRI (Smart Readiness Indicator) demo project for the Institute for Chemical and Energy Engineering.

The application allows users to input building energy data, visualize computed SRI results in interactive charts, and download results in an Excel format for further analysis.

Returning to this scale-up I worked on multiple integrations of data providers like BvD/Moody’s (Companies, Matching), Coupa (Easy Forms), SAP Ariba (Supplier, Risk, Contracts), Coface (Matching), and Rapid Ratings.

Beside the technical part, a large part was building trust with customers and working on improving their requirements and data quality along the way.

Feature development for more than 10 applications, macro-services and libraries supporting an eGovernment platform. Those systems ranged from state-of-the-art Spring Boot services with Angular 15 frontends to a very large legacy system based on EJB 2.x and Struts.

Created a microservice integrating the KSV1870 Bonitätsmonitor (BoMo) SOAP webservice to track criteria deterioration and retrieve current data for monitored companies. Created a custom PDF report showing those data in a clear way.

Moreover, connected the new microservice to Prewave’s main application by introducing new endpoints and database structures so the microservice could be configured on that main application but keeps it loosely coupled.

An enterprise web application was crafted to allow users to manage decision tables and approve them following a 4-eye principle.

Beside the ability to create and edit rules of a decision table in a cell-based inline editor, users can also export to Excel, edit there and import it afterward. This is also used for decision table migration from the old system and for transporting changes from stage to production. Multiple user permissions were introduced to give fine-grained access to critical parts of the application. In-app notifications on open approval requests let the users know at first glance that there is some work to do.

3rd party workflow applications access this application’s REST API to get the data on their decision tables.

After analyzing the existing solution we decided to rewrite the services with state of the art technology. The old implementation lacked the use of industry standards and did not include tests to ensure function of their mostly self written framework.

The REST services are used by Unity based apps.

While rewriting, the customer was heavily involved so we could improve and extend the solution including a management web app (Angular), that can handle all administrative tasks.

The university’s departments access the platform using SSO (SAML2), upload their documents, give some additional data and have constant feedback on how their delivery is processed.

Moreover, the platform helps archive management to keep track of these deliveries and integrate the data with a specialized software “ActaPro” not intended to be accessible to department users.

Cash payout application for the Austrian bank Bawag P.S.K used by employees of the Austrian postal services (Post AG) on their counters.

The solution integrates with the bank’s core banking system and the counters system software to be able to use barcode scanner, ID scanner and receipt printers.

Master Data Management solution. I worked for and developed MUM for 9 years. As a software architect in a small but very experienced team we built a great, very generic product running on multiple databases.

I was also responsible for bringing the application to Azure App Services and integrating it with various authentication providers like SAML2 (ADFS) and OAuth2 (Azure AD).