Janestreet
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Jane Street is a global proprietary trading firm and liquidity provider known for its heavy reliance on functional programming languages, particularly OCaml.
Key Competencies & Interview Evaluation for Janestreet
Insane intellectual horsepower, algorithmic precision, and deep first-principles thinking under high-pressure, game-theoretic environments.
- 1. Memorized algorithmic patterns without the ability to reason from first principles.
- 2. Arrogance or defensiveness when an interviewer pokes holes in your logic.
- 3. Weak mental math or slow execution on probability and market-making puzzles.
I thrive on breaking down chaotic, probabilistic problems into first-principles logic to find structural edges.
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