The onsite interview was in Tallinn.
Beware: they say they will cover the transport and food expenses, but 25 days later, I was not reimbursed, and no one is able to give me an ETA. This was truly disappointing after a good experience.
My recommendation: ask for an estimation up-front. The taxi from the airport is cheap, dinner is 15-20€, and breakfast is not very expensive as well, so you can get an estimation of the cost.
The interview composed of several sessions:
Ideal process from PR until code is in production.
The following metrics were computed from 6 interview experiences for the Twilio Software Engineer role in Tallinn, Estonia.
Twilio's interview process for their Software Engineer roles in Tallinn, Estonia is incredibly easy as the vast majority of engineers get an offer after going through it.
Candidates reported having very good feelings for Twilio's Software Engineer interview process in Tallinn, Estonia.