PrairieLearn (Remote US) — Full-Stack Software Engineer — TypeScript / Postgres / React / AI PrairieLearn ( https://www.prairielearn.com ) is an open-source assessment platform used by universities across the US (Berkeley, Princeton, Michigan, Illinois, and others). We power mastery-based learning and large-scale exams. We’re a small, profitable, early-stage company (bootstrapped, no VC) that is growing quickly. Our users love us and we have very high retention and rapid spread through word of m