Earlier quoted context omitted.
> Were you actually good at your previous domain? (Be Good) Can you define "good"? and, more importantly, how do you convince others that you're "good" within the context of a job application?
Your CV should provide examples of wins. eg decreased time to enter orders from 15 minutes to 5 minutes; increased widget production rate from 5000 / hr to 8000 / hr; reduced hosting costs by 5% to $1.5M, etc. Your technical competence needs to be reflected in the business benefits you have contributed to. Even refactoring code can be a win if it speeds up things, reduces costs, increases profits etc. Increased profi…
It is usually a “we” thing and it if they say “I” then I am suspicious.
And say they single handily sped up some system. Maybe it was a half day of profiling and fixing some string copying bug. Yes that fix moved a needle and is “Worth millions” but is it? Many people could do the same fix.
I am suspicious of team metrics (period!) and I am suspicious of them being used to judge a developer. What you really want to know is can they fix stuff, are they thinking in alignment with the business. Chasing metrics often isn’t that. Metrics are a necessary evil: they are part truth part bullshit and require nuance to interpret.