This book constitutes the refereed proceedings of the 16th Software Quality Days Conference, SWQD 2024, held in Vienna, Austria, during April 23-25, 2024.

The Software Quality Days (SWQD) conference started in 2009 and has grown to the biggest conference on software quality in Europe. The program of the SWQD conference is designed to encompass a stimulating mixture of practical presentations and new research topics in scientific presentations. The guiding conference topic of the SWQD 2024 is "Software Quality as a Foundation for Security".

The 7 full papers and 2 short papers presented in this volume were carefully reviewed and selected from 16 submissions. The papers were organized in topical sections as follows: Requirements engineering; software quality; continuous integration and deployment; communication and collaboration; artificial intelligence; and security and compliance.