Barnacka is the founder and CEO of MindMics, a company presenting new tools to monitor vital signs related to cardiovascular health and wellness, and she has patent applications associated with this work. MindMics acts as a platform that is composed of three parts: the hardware, the data systems and algorithms, and the interface. The company's earbud hardware measures and provides data on heart, brain, and other body function activity using infrasonic hemodynography technology. She has conducted studies on the technology's effectiveness, the results of which were published in professional publications such as the American Heart Association journal Circulation.