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Day in the life of a Growth Engineer - by Jonathan Martinez Subscribe Sign in Day in the life of a Growth Engineer Jonathan Martinez Apr 20, 2026 13 1 Share I recently wrote that Growth Engineer is the new Growth Marketer and it really resonated with readers, so I’m back with part 2. TLDR on that essay: AI has spawned a new type of marketer that’s part growth marketer, part engineer. They aren’t solely thinking about experimentation, but also the infrastructure that enables rapid experimentation (once the job of an engineer). As a startup founder, I’m running marketing, ops, sales, finance, recruitment, and the list goes on.