The broxy also adds more functionality, such as intelligent rate limiting by merchant (no one merchant can consume all of our backend app processes).
(Disclosure - I also work at Braintree)
(Disclosure - I also work at Braintree)
(We're planning on doing something similar in the future.)
"How we handle something <TECHNICAL> at balanced"
or
"How we handled <SITUATION> using <TECHNOLOGY> at balanced"
is of interest to this community.
No need to ask, get writing, hop to it! :)