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The process
Reviewed November 2026
Quant research online assessment
Online assessment, reported by candidates and guides
coding, 180 min, 3 questions, +1 / 0, free navigation
- Data and statistics problems Statistics, Probability, Data analysis, Coding
Guides and a 2021 report describe about 2-3 problems over ~3 hours; provider for QR inferred from reports of HackerRank use.
Software engineering coding assessment
Online assessment, reported by candidates and guides
coding, 90 min, 3 questions, +1 / 0, free navigation
- Algorithmic problems Coding, Algorithms
Reported as 2-3 medium-hard problems in 75-90 minutes.
Technical phone screen
Phone screen, reported by candidates and guides
live interview, 60 min, +1 / 0, no calculator
- Statistics and probability (QR) Statistics, Probability
- Live coding Coding, Algorithms
- Past project walkthrough Behavioural
One or two calls of 45-60 minutes.
Superday
Final round, reported by candidates and guides
live interview, +1 / 0, no calculator
- Maths and statistics Probability, Statistics, Linear algebra
- Coding Coding, Algorithms
- Open-ended modelling (QR) Machine learning, Data analysis
- System design (SWE) System design
- Hiring manager / behavioural Behavioural
Three to six interviews of 45-60 minutes. Official internship FAQ only states the process combines technical and behavioural interviews.
What it tests
| Topic | Weight |
|---|---|
| Statistics | 18% |
| Coding | 16% |
| Probability | 14% |
| Data analysis | 12% |
| Machine learning | 10% |
| Algorithms | 10% |
| Behavioural | 8% |
| Linear algebra | 5% |
| System design | 5% |
| Brainteasers | 2% |
Shares estimated from the public sources below.
Practise for it
Offices
New York, Houston, London, Hong Kong, Shanghai, Tokyo
Sources
Two Sigma has no trader track in campus hiring; roles are quant research and software engineering. Official sources give no OA details; all OA specifics are from guides and candidate reports.
- Two Sigma: Internships (FAQ) firm's own page
- Quantt: Two Sigma interview guide
- TraderMath: Two Sigma interview guide guide
Compiled from public sources, retrieved 2026-11-03. Two Sigma has not reviewed or endorsed this page.