Have you run into Nubank? They have around 4 million customers and the company is valued at a billion plus dollars. [1,2]

Apple is hiring Clojure people to work on their ML infrastructure. [3]

What's your definition of an inconsequential project?

1: https://www.reuters.com/article/nubank-creditcards/brazilian...

2: https://en.wikipedia.org/wiki/Nubank

3: https://jobs.apple.com/nz/search?job=114084463&openJobId=114...