Lemma: > Learned as junior: Legacy code is hard to read. Understood as senior: Legacy code that I wrote myself is hard to read. Lemma: > Learned as junior: T

Lemma: > Learned as junior: Legacy code is hard to read. Understood as senior: Legacy code that I wrote myself is hard to read. Lemma: > Learned as junior: Technical skills matter most. Understood as senior: Communication skills matter most. Theorem: Communication needs to target the people of the future.