João Freitas

Director of Engineering, DefinedCrowd

Director of Engineering




    João Freitas is the Director of Engineering at an international start-up headquartered in Seattle, WA, and with an R&D center in Lisbon, Portugal, that combines crowdsourcing and machine learning to provide big data to speech technology and natural language processing applications. He is responsible for all Portuguese operations, management of the Portuguese subsidiary and for all the product development and engineering processes. With 10 years of experience in industry, João has worked at the Microsoft Language Development Center, where he has taken on several roles as a Lead Software Engineer, Project Coordinator and Researcher. Here, he has participated in several R&D projects and has worked on several crowd-sourcing initiatives in the context of speech technologies. João holds a Degree in Computer Engineering from the Polytechnic Institute of Lisbon, Portugal and a PhD in Computer Science  from the Universities of Minho, Porto and Aveiro. He has published over 30 articles in peer-reviewed international conferences and journals in the areas of Speech Technologies, Human-Computer Interaction, Ambient Assisted Living and Crowd-Sourcing. He is also the author and co-author of several book chapters and one book.