Development of web applications for teaching and research with HCL Domino, HCL Notes, HCL Volt MX.- Analysis and documentation of the event log of HCL Connections and HCL Domino- Implementation and installation of a Java application for logging event logs in HCL Connections- Design and implementation of a JavaScript application for event log-based modeling of collaboration processes in BPMN and CMMN diagrams- Extension of an e-learning platform by implementing various task types in Java and improving the design with the Bootstrap front-end framework- Implementation of a scheduler in Java for the automatic and time-controlled correction of exercises in the e-learning platform- Debugging the e-learning platform in Java and JavaScript- Setting up courses in the e-learning platform - Technical support for the organization of courses on the e-learning platform- Implementation of bash scripts for monitoring Linux servers (Red Hat Enterprise Linux)