And what is that exactly? Is it just Jen from the IT crowd?

No, it's marketing, education, "evangelism", and other outreach focused directly towards developers.

https://en.wikipedia.org/wiki/Developer_relations https://en.wikipedia.org/wiki/Technology_evangelist

DevRel is collection of strategies and tactics that help companies to work better together with software engineers. Exactly what developer relations teams do and why they do it depends on what their organisation needs.

So Jen from the IT crowd. Got it.

> Is it just Jen from the IT crowd?

Kind of, that's not a bad analogy really. It's like if Jen knew what CI and observability were (huge over simplification but you get the idea).