Question bank
4,310 interview questions, answered.
Reference answers, what the interviewer is really testing, how it is graded, and the follow-ups that come next.
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2,498 questions
- 889What is instruction tuning and why does it matter?MediumAI ML
- 890What is KV cache and how does it speed up inference?MediumAI ML
- 891Why do transformers need positional embeddings at all?MediumAI ML
- 892Why multi-head attention instead of one big head?MediumAI ML
- 893Word embeddings, from classic to modern retrievalMediumAI ML
- 894How do you measure whether an LLM or RAG project you worked on is efficient?MediumDataAI ML·
Nvidia - 895Given an array of integers and a number N, find the length of the longest contiguous subarray such that the difference between any two elements in the subarray is less than N.MediumCoding·
Uber - 896Find the longest palindromic subsequence using dynamic programming.MediumCoding·
Adobe, Apple - 897Find the longest substring without repeating characters.MediumCoding·
Apple, Intuit - 898Find the lowest common ancestor (LCA) of two nodes in a binary tree.MediumCoding·
Apple, LinkedIn - 899How would you allow Lyft drivers to select from scheduled rides?MediumDataProduct·
Lyft - 900You are the PM at Lyft and there's a sudden increase in user cancellations. How would you analyze this issue and what steps would you take to address it?MediumDataProduct·
Lyft, Stripe - 901You're a PM at Lyft and want to deploy a ride-sharing service using a self-driving car in Palo Alto. How would you choose around 10 pickup and drop-off locations, assuming routes are safe and pre-programmed?MediumDataProduct·
Lyft - 902What might be two macroeconomic trends impacting Uber Eats supply or demand in the near future?MediumProduct·
Uber - 903How would you handle an engineer who creates conflict with team members but is still performing well?MediumBehavioral·
Google - 904Tell me about a time when you had to deal with conflicting priorities with your stakeholders and how you secured alignment with them.MediumBehavioralProduct·
Amazon, Google - 905How would you manage cross-team dependencies and deliverables?MediumBehavioralProduct·
Mastercard - 906How would you handle scheduling dependencies between two nightly Jobs to ensure the second Job does not fail if the first Job runs longer than expected?MediumDataSystem design·
Databricks - 907How do you manage high performers?MediumBehavioral·
Amazon, Meta - 908Tell me about a time when you had to manage and meet multiple demands within tight deadlines.MediumBehavioral·
Hubspot - 909Tell me about a time you had to manage an underperformer and how it impacted the team.MediumBehavioral·
Google, Meta - 910How would you manage a latent field failure or bug that impacts customers and increases return rates or support contacts?MediumDataBehavioral·
Google - 911What is your approach to managing poor performers on your team?MediumBehavioral·
Google, Stripe - 912How do you manage your team's performance?MediumBehavioral·
eBay, Meta