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Re:How we test at Nubank [video] by dustingetz on Wednesday March 11, 2020 @02:54PM (#22549049)
Isn't nubank adding 50k users per day? Founded in 2013, with seven years later a $10B valuation? They don't seem to have a technical debt problem

I was at the talk, they don't use spec they use prismatic schema iirc while waiting for spec2 to stabilize.

Re:How we test at Nubank [video] by fnordsensei on Wednesday March 11, 2020 @07:23PM (#22551880)
They officially launched in 2014, I believe. They have some 20 million customers, last I checked, which gives ~10k customers per day on average from 2014. It makes sense that it would have been fewer per day in the beginning, and then accelerated.