I'm the tech director/CTO/whatever in a team of 3 devs (me plus 2). We don't do 'performance appraisals'.

We often do code reviews. I sometimes do pair programming. Once in a while I have a private chat about something specific that's not code related.

And this: https://www.amazon.co.uk/Abolishing-Performance-Appraisals-B...

You might like this: https://www.amazon.co.uk/Abolishing-Performance-Appraisals-B...