I was asked to design the core classes and interfaces for a Cart & Pricing Engine that handles item customizations, marketplace dynamics (surge pricing), promotions, and membership benefits. The system needed to support adding items, applying customizations, a...
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The first round involved debugging a Transformer model with the following issues: - Position embedding initialization - Mask not set to -inf - Missing loss.backward() - Incorrect dimensions in the projection layer's nn.Linear module The follow-up involved KV c...
The interview was with a recruiter and involved standard behavioral questions (BQ). The technical portion covered: - The fundamental difference between inference and training. - The principles behind the Transformer architecture. - The mechanics of the forward...
The algorithm question involved finding the maximum money obtainable by taking `k` consecutive bags. The input included `k` and a `segments` array where each element `[start, end, money]` defined a bag's range and value. For example, with `k=5` and `segments =...
I completed a Meta RS Online Assessment containing four levels. I passed it in half an hour. Here are the questions I encountered: **Q1:** Given two arrays, `prices` and `ratings`, of equal length, representing the price and rating of each item, calculate the...
I had a phone screen today and am waiting for the results. **Round 1:** This was a call with the Hiring Manager, purely conversational. We discussed my thoughts on AI. **Round 2:** I completed three coding questions: 1. Sort two merged arrays while removing du...
I was asked a coding question about the Battleship game. I hadn't seen this problem before. I initially suggested a brute force approach, then considered 4 directions, and then 2 directions. After the interviewer said my code was correct, they kept focusing on...
The first question was a LeetCode-like problem: Student Arrangement. I was given a parent array (e.g., par = [-1, 1, 1, 2, 2, 2, 2]). The second question was an SQL problem that involved converting varchar to numbers and then appending a currency symbol (M, B)...
The infrastructure role interview covered a range of topics. Here are some key areas that I focused on during my preparation. ## Preparation Tips & Key Takeaways ### What I Learned - I need to have a strong understanding of networking concepts, including VPCs...
