One of the most prominent academic theorists of infrastructure, Susan Leigh Star, based some of her work on a study of computer systems and their interfaces ("information infrastructure"):

e.g. her papers from the 90s

Steps Toward an Ecology of Infrastructure: Design and Access for Large Information Spaces https://pdfs.semanticscholar.org/f0c2/2ec49e87aecec1bd54506b...

The Ethnography of Infrastructure http://www.imtfi.uci.edu/files/articles/Star.pdf