Roku Senior Data Engineer interview questions

It was a good experience. Though the interview took longer time that expected, the overall process was smooth and they have set clear expectations at team/org level and discussed on career, growth and job expectations.

Applied through LinkedIn and Recruited reachout to me after few days. 1st Round - Screening by HR- basic questions about the role 2nd Round - Technical Screening by one of the Lead engineer, Asked questions about project, basic Spark questions and cloud technologies 3rd Round - Coding round - 2 SQL and Python questions. SQL questions were particular using JOINs and Window functions and Python question was a DSA question. We have to consider time and space complexity and solve the questions. 4th Round - Three 1 hour interviews based on Data structures, programming, Spark internals, Big data technologies and our previous projects,