With a degree in statistics from Universitas Diponegoro, Winahyu began her career at OUCRU Indonesia as a data entry clerk for the INSPECTOR project from 2018 to 2019. She then progressed to the role of Clinical Trial Data Assistant, contributing to several malaria projects, such as SSAT, SEROLOGY, PRIMA, and COVID-19 projects, including COPCOV, INVITE, and SCOVEX. Currently, she is part of the INTERACT HIV and IDSPZV1 Malaria Vaccine projects.

Her research interests encompass clinical research, statistics, data analysis and data visualization.