My onsite interview consisted of four rounds. **Round 1: Behavioral (45 minutes)** My interviewer was an engineer manager. I was asked: * What are you looking for in your next role? * Tell me about a time you worked on the impossible. * Conflict resolution. *...
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In my phone interview, I was asked one coding question (which i saw in https://www.chillinterview.com/learn/coding-interview-questions/cloud-credit-balance-replay) and one system design question about designing a payment processor.
My onsite interview consisted of several parts (My tech screen interview experience was shared in https://www.chillinterview.com/experiences/fb48a28d-c727-4728-880e-fa28ffba2b3f) **Collaboration Interview:** I discussed the SOTA (state-of-the-art) in my resear...
This describes my recent phone interview experience at OpenAI Research. **Round 1: General Coding (1 hour)** I had to debug a buggy job scheduler in Python, focusing on data races, deadlocks, lock contention, and the rate limiter implementation. I needed to wr...
I recently had a phone screen with OpenAI. **System Design:** I was asked to design Slack, focusing on the send/receive message functionality. The interviewer asked detailed questions, including how to handle cold starts and the trade-offs between message orde...
The interview consisted of two main parts: a coding round and a system design round. In the coding round, I was asked about KVStore serialization and deserialization. There were two follow-up questions: 1. What if a single file cannot accommodate all the data?...
I had two rounds for my interview. The first was system design, and the second was coding. **Round 1: System Design** I was asked to design an API to control access counts for different version models in ChatGPT. If the access count is exceeded, a toast should...
The HR recruiter mentioned that the interview would consist of two rounds of machine learning coding, followed by two rounds of general coding. The focus of the ML coding rounds included: * ML code implementation and debugging. * Mathematical coding (e.g., han...
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 technical phone screen that covered two main topics. **Coding:** I was asked to implement an in-memory database with `set` and `get` methods. The `get` method required a `sort_by` parameter. I needed to pay attention to edge cases. ``` class DB: def se...
