I feel like the jane street tech blog has exceptionally good quality, with a really nice mix of academic and practical ideas thrown in. Do you happen to know of any other video series with this kind of exposition?
Unfortunately I agree with you Jane Street's tech blog and published lecture series are great and probably the best I know of. They make for great advertising to boot. Lecture series like Jane Street's are common in larger trading firms (more than 100-150 headcount) but I haven't seen one of JS' caliber yet.
If you welcome general corporate blogs, I think Google AI's technical blog is quite good. Their frequent publications on distributed computing strike a good balance of academic and practical ideas:
