I applied online. The process took 3 weeks. I interviewed at Quantbot Technologies (New York, NY)
Interview
1 HR call, 2 rounds online (meet with different people from the teams), 1 in person (meet with 4~6 people from the teams), focus on resume, statistics (R-square, confidence Interval, distribution), Python(Pandas), finance knowledge
2 interviews, 1 screening and going over your past experiences, interests and motivations, and 1 live coding using python, testing python proficiency and data analysis skills, friendly and competent interviewers