Shiny Developer Secrets: Insights From Over 1200 Applicants and What You MUST Know to Shine
summary
Over 1,200 applicants apply for the R/Shiny developer role and the team hires over 30, yielding concrete patterns about skills gaps. The Future Forests app uses RDS files for 12 species across four scenarios and missing files cause narrowly scoped runtime errors, so automated file-existence unit tests prevent silent failures. Emphasis is on testthat and shinytest2, on simplifying reactive graphs so Shiny performs fewer computations, and on a maintained software engineering key skills sheet for onboarding.
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