I had a series of technical interviews. Here's a breakdown: **Round 1: 1NN** A frequently asked question, you can find it in this platform **Round 2: Contagious Disease Simulation** The first three questions were standard interview questions. The fourth questi...
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I had a recruiter screen that, unexpectedly, included technical follow-up questions. Here's what I remember: * Why did I move from company A to company B? * Questions about my immigration status and willingness to relocate to SF. * Tell me about the internal p...
I interviewed for a Frontend Engineer position. The recruiter scheduled two back-to-back interview rounds on the same day. **Round 1: Frontend Coding** I was asked to build a frontend component for streaming text from an AI. It involved a simple input box, a s...
### Technical Phone Screen I was asked a question about IP addresses. I got to the third part, CIDR block, but the answer was incorrect. After the interview, I realized that the interviewer's example should have iterated from the input address, while I iterate...
I was given a problem where I had to simulate the spread of a virus in a 2D matrix. **Part 1:** The matrix contains 'X' (infected) and '*' (susceptible) cells. A susceptible cell becomes infected if it has at least K infected neighbors (out of 8 possible neigh...
I interviewed for a fullstack position on the safety team. The coding question was about a chatbot system, and the system design question was about designing ChatGPT. For the coding round, I was asked to design a chatbot system where a channel has awayBot, tac...
I viewed a Jupyter Notebook. The notebook had cells with different levels of a math problem. The question is related to probability distributions associated with LLM-decoding stopping time. Based on the results of the probability distributions, I had to design...
The interview focused on practical coding problem-solving and communication skills, not rote memorization. I was expected to know common data structures like arrays, lists, queues, maps, trees, and graphs, and when to use them, but not to implement complex dat...
In my phone screen, I was asked to design Slack. I based my design on Hello Interview's approach, first discussing Direct Messages (DMs) and then channels. I spent time explaining my use of Redis Pub/Sub, and it seemed the interviewer wasn't very familiar with...
In the coding round, I was asked to work with a toy language. The language included primitives (char, int, float), generics (like T1, T2), and tuples (containing primitives, generics, or other tuples). My tasks were: 1. Implement a Node class to represent prim...
