Careers · Interview Prep
Interview Prep
Each course follows how one class of systems evolved step by step: which problem of its predecessor each product set out to solve, how it did so, and what it cost. Every course has a comparison table, staff-level interview questions and an exercise you can run.
ML Infra
Model Architectures: From N-gram to Transformer
A timeline of what each model architecture set out to solve, with the Transformer taken apart in ten steps: attention you can compute by hand, a parameter calculator and staff-level interview questions.
- RNN
- LSTM
- Attention
- Transformer
- BERT
- GPT
- MoE
Data Infra
Big-Data File Formats: From CSV to Lance
A timeline of what each file format set out to solve, how its bytes are laid out and the steps of a read and a write, with staff-level interview questions and a hands-on exercise.
- Avro
- ORC
- Parquet
- Arrow
- Iceberg
- Lance
To practise with someone afterwards, go to Mock Interviews and book a free mock interview.
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