Technical Screen

Order-Matching HackerRank Then a Quant Systems Deep Dive

Two SigmaQuantitative Software Engineer · Technical Screen · Jul 2026

Round 1: HackerRank Coding — Stock Exchange / Order Matching The task was to implement buy/sell order matching: Buy side uses max priority. Sell side uses min priority. Match orders when the price can cross. Handle partial fills. Output trade records. Handle the remaining resting orders. Follow-ups: How to add more tests to increase confidence. Why my output didn't match the sample. How multiple…

Shared by a candidate · reported Jul 2026. Interview formats change; use it as a guide, not a script.