Machine Learning Engineer · Senior-Level (1 YOE)
Location: Washington, DC, USReport date: Jan 5, 2026Equity includedBonus included
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I had an onsite interview for an SDE II position. I was told internal transfers are usually a simple conversation or short interview, but it felt like a full onsite. **Round 1 (L5):** * System Design: I was asked to design a game I like. I chose Minesweeper. *...
The first coding question was: ``` The developers at Amazon are working on optimizing the capacity of their cloud system. In the system, there are n servers where the memory capacity of the i-th server is represented by the array memory[i]. A system always con...
I was asked about two projects on my resume, including details about the data used, potential problems during model training, and how to design the application if the use case were extended. I was also asked about: - LoRA and its variations - Reinforcement Lea...
## Preparation Tips & Key Takeaways ### What I Learned - The team acquired talent from Adept AI. - Experience with reinforcement learning and pre-training is crucial for this role. ### Recommended Preparation #### Machine Learning Design - Study the design of...
## Preparation Tips & Key Takeaways ### What I Learned - Principal roles at Amazon focus on solving organizational-level problems, not just advanced coding. - System design is about the decision-making framework, not just technology selection. - Leadership Pri...
## Preparation Tips & Key Takeaways ### What I Learned - I need to thoroughly understand the nuances of A/B testing and statistical analysis for UI changes. - It's crucial to be prepared to discuss the practical aspects of machine learning models, including tr...
## Preparation Tips & Key Takeaways ### What I Learned - I needed to be prepared to discuss both broad Machine Learning concepts and the specifics of my projects. - Knowledge of current trends in LLMs is important for some roles. ### Recommended Preparation ##...
I had an online assessment consisting of two coding questions. **Question 1:** Given an integer array where each element represents an error code, reorder the error codes based on priority. Priority rules: 1. Frequency: Less frequent errors are more important...