Reddit Machine Learning Engineer interview questions

“Every time I try to answer this I end up listing tools like I'm reading off a spec sheet.” The rest of the author's notes on Machine Learning Engineer interview at Reddit, Onsite - Behavioral / Leadership round, covers how they worked through the question, what the panel pushed back on, and what they would do differently.

“I went with an incident from a model rollout that caused some downstream noise in a recommendation pipeline.” The rest of the author's notes on Machine Learning Engineer interview at Reddit, Onsite - Behavioral / Leadership round, covers how they worked through the question, what the panel pushed back on, and what they would do differently.

“Spent the first few minutes trying to figure out whether they wanted an MLE answer or a PM answer.” The rest of the author's notes on Machine Learning Engineer interview at Reddit, Onsite - Product Sense / Strategy round, covers how they worked through the question, what the panel pushed back on, and what they would do differently.

“I knew the general idea pretty fast: keep two pointers, one crawling odd nodes and one crawling even, then stitch the even chain onto the end of the odd chain.” The rest of the author's notes on Machine Learning Engineer interview at Reddit, Technical Phone Screen round, covers how they worked through the question, what the panel pushed back on, and what they would do differently.

“This took longer than I thought it would.” The rest of the author's notes on Machine Learning Engineer interview at Reddit, Technical Phone Screen round, covers how they worked through the question, what the panel pushed back on, and what they would do differently.

“This one is deceptively wide.” The rest of the author's notes on Machine Learning Engineer interview at Reddit, Onsite - System Design / Architecture round, covers how they worked through the question, what the panel pushed back on, and what they would do differently.

“The 'where do you track it' part is what they actually care about.” The rest of the author's notes on Machine Learning Engineer interview at Reddit, Technical Phone Screen round, covers how they worked through the question, what the panel pushed back on, and what they would do differently.

“Not what I expected from an ML round.” The rest of the author's notes on Machine Learning Engineer interview at Reddit, Onsite - Product Sense / Strategy round, covers how they worked through the question, what the panel pushed back on, and what they would do differently.

“sns.pairplot is basically expected here so I led with that, then did class balance check since is_click is almost always imbalanced in practice.” The rest of the author's notes on Machine Learning Engineer interview at Reddit, Technical Phone Screen round, covers how they worked through the question, what the panel pushed back on, and what they would do differently.

“This is the main question and it ate the whole session.” The rest of the author's notes on Machine Learning Engineer interview at Reddit, Onsite - System Design / Architecture round, covers how they worked through the question, what the panel pushed back on, and what they would do differently.