The quant developer interview loop, round by round
7 min read A round-by-round map of the quant developer interview loop and the classes of questions each firm tests, from the C++ screen to the matching-engine round. Read article
Quant Finance
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Quant Finance
Probability, brainteasers, mental math, and low-latency systems — how trading firms actually interview.
Quant Finance
How Headlands Technologies Interviews Quants and Developers
8 min read A round-by-round look at the Headlands Technologies interview loop for quant researcher, trader, and software developer roles, with example questions and how its base-plus-bonus pay is structured. Read article
Quant Finance
Why a backtest Sharpe of 4 becomes 0.5 live
7 min read A backtest Sharpe of 4 usually lands near 0.5 live, and quant research interviews are built to test whether you know which biases ate the difference. Read article
Quant Finance
The 60/40 coin and how much of your bankroll to bet
7 min read Why the biased-coin bet-sizing question turns on maximizing growth rate rather than expected value, and how to answer it under pressure. Read article
Quant Finance
Correlation isn’t cointegration, and pairs-trading interviews test it
6 min read The spread, the hedge ratio, the stationarity test, and the backtest mistakes that get people cut from quant research rounds. Read article
Quant Finance
What a kdb+ and q interview at a trading desk actually tests
7 min read How quant and HFT firms test kdb+ and the q language, and the asof-join and column-thinking questions that decide the screen. Read article
Quant Finance
The statistics questions quant and data science interviews ask
7 min read The inference mistakes that sink quant and data science candidates are almost never arithmetic; they turn on what a p-value or a confidence interval really claims. Read article
Quant Finance
How Squarepoint interviews quant researchers and developers
7 min read A round-by-round look at Squarepoint’s quant researcher and developer interviews, from the HackerRank screen to the final dataset exercise. Read article
Quant Finance
The G-Research interview and the 90-minute quiz that gates it
7 min read A breakdown of how G-Research screens quantitative researchers and developers, from the timed online quiz through the final onsite. Read article
Quant Finance
How the Point72 and Cubist interview actually works
6 min read Point72 runs two very different pipelines, the discretionary Academy analyst track and Cubist’s systematic quant research loop, and each round tests something different. Read article
Quant Finance
What Hudson River Trading actually tests in its interviews
6 min read A walk through HRT’s online assessment, phone screen, and onsite, the two engineering tracks, and what the coding rounds reward. Read article
Quant Finance
How trading desks test your options intuition
7 min read The options questions trading firms ask, from put-call parity to gamma scalping, and how to reason through them out loud. Read article
Quant Finance
How Susquehanna interviews traders, and why poker is the point
7 min read SIG’s trader loop runs on the SQE online test, expected-value brainteasers, a live market-making game, and a poker round that tests bet sizing and composure more than card skill. Read article
Quant Finance
What Quant Trading Is and How the Interview Actually Works
7 min read What quant trading firms actually do, how the trader interview runs from the 80-in-8 math test to market-making games, and the real questions with worked answers. Read article
Quant Finance
How Akuna Capital and Five Rings screen new grads
5 min read A look at what Akuna Capital and Five Rings actually test new-grad traders and engineers on, from the eight-minute math test to the live trading game. Read article
