This, but except it was Docker.

Largest part of being an expert is making others believe you are.

same for me with JSF except it only got to pic 2-3. thank god

I went to a company to make Android projects and teach them Android development.

They saw me making small python scripts for automating some basic stuff. I know really basic python syntax and that's it.

The CEO called me to meet someone who wanted a Machine learning project which was farfetched. The CEO introduced me to him as an "expert".

I kept repeating I am just a beginner python developer. Still to my extent I researched and told them how to approach the project, they were like "You have to do it".

I never picked there call or contacted them again.

And guess what I worked on every other platform except Android when I was interning for that company. :|

I have the same but with legacy apps, not with older tech. No one dares to touch it when it breaks except my team, although it's not even our app... +_Q