He teaches several courses in the School of Design at both undergraduate and graduate levels: Design Lab, Communications Studio IV, MDes/MPS Designing for Interactions, and Computational Design Thinking. Prior to CMU, he held faculty positions at RISD and RCA, and was a recipient of Adobe's Design Education Faculty Award in 2012. He has guest lectured and taught at numerous schools including Central Saint Martins, London College of Communication, Kingston University in the United Kingdom, Central Academy of Fine Arts in China, and Hongik University, Korean National Academy of Arts, and Seoul National University in South Korea.

Previously, Shim worked as a research fellow (Data Visualization Specialist) at MIT’s SENSEable City Laboratory (2012–2013) and as a researcher at the Jan van Eyck Academie in Maastricht, Netherlands (2013–2014). He has been awarded residencies and fellowships at Frans Masereel Centrum in Kasterlee, Belgium (Summer 2017), Facebook's Analog Research Lab in Menlo Park, CA (Summer 2019). He worked as a designer at LUST (2011) in The Hague, Netherlands, and Vinyl-i (2009–2010) in Seoul, South Korea.