Boersma has been associated with the AMC-UvA in the capacity of Associate Principal Investigator since 2016. In addition, he has been working as a cardiologist and as a clinical electrophysiologist at the St. Antonius Ziekenhuis since 2001, heading the department for seven years and holding the position of medical manager for the Zorgeenheid Harten (heart care unit) for six years. Boersma was appointed head of the Cardiology R&D department in 2016.
Boersma is the chairman of the Netherlands Society of Cardiology (NVVC) Knowledge Agenda Committee and is an NVVC representative at the Council for Science and Innovation of the Federation of Medical Specialists (FMS). He previously held the position of Chair of the Cardiac Arrhythmias Working Group at the Netherlands Society of Cardiology (NVVC) for five years and was the Treasurer of the National Cardiovascular Data Registry (NCDR) for three years.
Boersma has published over a hundred articles in international, peer-reviewed journals, such as the New England Journal of Medicine, European Heart Journal, Journal of the American College of Cardiology, and Circulation. In addition, Boersma is Associate Editor at Europace and is a member of the editorial board of the European Heart Journal and the Heart Rhythm Journal. Boersma is a Fellow of the European Society of Cardiology and the European Heart Rhythm Association. In addition, Boersma is active either as a member or as chairman of multiple steering committees of international clinical studies.