The online assessment required me to implement a simplified in-memory database with the following functionalities: - **Level 1:** Basic operations to manipulate records, fields, and values within fields. - `SET <timestamp> <key> <field> <value>`: Inserts a fie...
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I completed my PhD defense and accepted an offer from Lam Research. My background is in electron microscopy. The role I interviewed for was FIB/STEM Electron Microscopist, titled Process Engineering 3. This position had three shifts (morning, afternoon, night)...
## Preparation Tips & Key Takeaways ### What I Learned - System design interviews require a deep understanding of trade-offs and scalability concerns. - Coding interviews can focus on optimizing data structures and algorithms for specific use cases. - Behavior...
I recently completed Expedia's online assessment. The questions were different from previous years. Here are the problems: **Question 1:** Enumerate all substrings and then use two pointers to check if it is a subsequence, or use dynamic programming. **Questio...
This was my interview experience for a Senior SWE role in the ML Platform team. **Phone Screen:** I was given an M * N matrix and asked to color each cell black or white, with the requirement that adjacent cells could not have the same color. There was also a...
### Round 1 A senior engineering manager asked me a lot of Java fundamentals and networking programming fundamentals. I was asked in-depth questions about RPC, gRPC, Protocol Buffer details, the pros and cons of microservice architecture, and how to implement...
The phone screen consisted of ML related questions and one coding question. **ML Questions:** * Given a piece of text, detect driver licenses and their locations. * I said it's similar to name entity recognition. * How to collect data? * I said to use some pro...
### Round 1: Matching Round The interviewer emailed me at 3 PM, asking if I was available before 6 PM. I replied at 3:30 PM, saying I was. However, I didn't hear back. The next day, they emailed again to schedule, and this time it worked, although they were st...
## 5. Summary of Key Resources * **Books:** *The Data Warehouse Toolkit* (Kimball), *Cracking the PM Interview*. * **Practice:** LeetCode (Easy/Medium), StrataScratch (Medium/Hard), DataLemur. * **Tips:** * **Speed:** 90% completion is often a fail. You must f...
In the onsite interview, I was asked conceptual questions about Java and Spring by one interviewer, and about HTML and React by the other. For the algorithm question, I implemented sorting using a priority queue. The interviewer subtly guided me to use a compa...
