DevOps/Cloud
Platform Engineer
Also written as Infrastructure Engineer, Developer Platform Engineer
Builds the internal tooling and infrastructure other engineers build on — deployment pipelines, environments, shared services. Their customers are their own colleagues.
Think of it like
Like the team that maintains the shared kitchen in a food hall: they don't cook the dishes, but every dish depends on the ovens working.
Junior or senior?
Junior sounds like
Maintains the pipeline.
Senior sounds like
Treats the platform as a product with users — talks about adoption, migration paths, and what they deprecated and how.
Ask them
“How did you get teams to actually adopt something you built, rather than route around it?”