Dataminr Software Engineer interview questions

Phone screening with engineer, questions covers generic to tough one. Probabilistic Graphical Model, Optimization, L1/L2 Regularization Maximum entropy principle. + backtracking coding. Onsite was tough. Recruiter will give you a manual for next round but not helpful at all.

I applied online in April, 2018. The whole process took 4 weeks including: one phone screening, one technical phone interview and an one-day onsite interview with 5 back-to-back individual interviews. Technical phone interview: standard coding questions that are similar to questions in Leetcode. One-day onsite interview with 5 back-to-back sessions. The questions essentially covered the following: reviewing my background and experience, coding questions, machine learning design questions, motivations to join Dataminr and brain-teaser puzzles. The questions asked in the onsite interview were quite difficult, in my opinion, especially when you have to answer some open-ended questions. One week after the onsite interview, Dataminr let me know the result of the interview and decided to hire me.