The GSA Capital Interview Process

GSA Capital hires a small, PhD-heavy class in London, and competition results carry more weight here than in most graduate schemes.

GSA Capital runs a selective, low-volume interview process for its London office, typically four to five rounds, that leans heavily on doctoral-level mathematics and statistics rather than general quantitative aptitude. The firm is one of the older independent systematic funds in London, and a meaningful share of its research staff hold doctorates in mathematics, physics or a related field, which shapes both who gets an initial interview and what that interview covers.

Unlike a graduate scheme built to process hundreds of applicants through a standard funnel, GSA Capital's research hiring is closer to an academic hiring committee in miles per hour: a strong doctoral thesis, published research, or a notable placing in a mathematics or programming competition moves a CV to the top of the pile faster than a generic cover letter does. Candidates without a doctorate are not excluded, but a strong master's-level record from a top mathematics or physics department, ideally with research experience, is close to the practical floor.

This differs meaningfully from how a US quant trading firm like Jane Street or Two Sigma screens graduate candidates, where an undergraduate degree and strong performance on a trading or coding test is often sufficient regardless of research background.

There is no large, automated online test at the first stage; instead, an initial call with a recruiter or a member of the research team assesses academic background and research fit before a first technical interview is scheduled. Because the volume is low, this stage moves slower than a bank's graduate scheme, and candidates should expect two to four weeks between application and first technical contact rather than the automated same-week scheduling common at larger firms.

Candidates can use the time before a first interview to review probability and statistics material in the interview questions bank, since GSA's interviewers, despite the academic hiring style, still test the same probability fundamentals that appear across the industry.