This book constitutes the refereed proceedings of the scientific track of the 7th Software Quality Days Conference, SWQD 2015, held in Vienna, Austria, in January 2015.

Part: Risk Management and Inspection.- Improving the Requirement Engineering Process with Speed-Reviews: An Industrial Case Study.- Towards a Perspective-based Usage of Mobile Failure Patterns to Focus Quality Assurance (Short Paper).- An Exploratory Study on Risk Estimation in Risk-Based Testing Approaches (Short Paper).- Part: Change Impact Analysis and Systems Testing.- Improving Manual Change Impact Analysis with Tool Support: A Study in an Industrial Project.- Testing of Heterogeneous Systems: An Exploratory Survey.- Part: Software and Systems Architectures.- Integrating Heterogeneous Engineering Tools and Data Models: A Roadmap for Developing Architecture Variants.- Evaluation of JavaScript Maintainability Issues and Solutions for Enterprise Application Development (Short Paper).- Refinement-based Development of Software-controlled Safety-critical Active Medical Devices (Short Paper).