1. HR interview, with salary expectations and quick question about SQL
2. Hiring manager interview, with question about past project, and why I want to work at Square.
3. Machine learning interview with data scientist, where I had to fit a quick ML model on my own computer to a dataset, and talk about various metrics related to the model.
4. Data manipulation interview with two data scientists, where I had to process a dataset on my own computer.
5. A/B testing interview with data scientist, where I had to explain my thought process regarding running an A/B test.
6. Business interview with stakeholder, where I had to explain my thought process regarding running a project with a stakeholder.
7. Final hiring manager interview, where the hiring manager asked me how I deal with conflict.
The HR representative and hiring manager had a hostile/aggressive demeanour during the interview, which threw me off.