The phone screen was an hour long, with half the time spent on coding and the other half on system design. I finished the coding portion in about 10 minutes, and the rest of the time was spent on the system design question. **Coding Question:** I was given two...
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The behavioral question was about a time when I had to deliver a project under a tight deadline. The interviewer asked in-depth follow-up questions about my specific role, trade-offs I made, measurable results, and what I would do differently. For the coding q...
### Round 1 My first interviewer was a senior engineer. He asked two behavioral questions: * Tell me about a time you faced a tight deadline. * Tell me about a time you made a mistake. For the technical portion, I was asked to implement LRU cache, which is sim...
I had a phone screen where I was asked to design a system for an e-commerce business. The scenario was that I am an intermediary, and customers submit an ISBN, bid price, and payment method. The system then queries hundreds of bookstores to find the lowest pri...
I spoke with a senior staff engineer about the design of a RAG system. The engineer works on an internal coding agent. The main problem is how the agent can retrieve the most relevant table/notebook when a user asks a data-related question. The discussion main...
I was asked to design an in-memory key-value store and estimate its QPS load within 5 minutes. The interviewer, a male engineer, provided helpful hints and engaged in discussion. Follow-up questions included: How to save space? How to extend the storage durati...
I had a technical phone screen with a coding question similar to LeetCode 3484, there are a few parts of this question. 1. Implement `setCell` and `getCell` methods. The cells would only contain integer values, and I was asked to carefully consider the most su...
I received a prompt describing the coding exercise. It focuses on building and working with in-memory data structures, tracking state over time, and implementing clean, correct logic. The interviewer chooses from a pool of similar questions, and we code togeth...
I had a coding phone screen with two questions: 1. Kth Largest Element in an Array (LeetCode 215) 2. Subarray Sum Equals K (LeetCode 560) - variant I solved both questions quickly, but not without small syntax errors. For the first question, I had a follow-up...
I had a coding screen with Meta, and I was asked the following two questions: 1. Find the left and right side view of a binary tree. 2. Find the longest increasing path in a binary search tree. The follow-up was how to implement this in a regular binary tree,...
