Prediction markets platform Kalshi has recruited a quantitative developer from Citadel, underscoring its efforts to strengthen its engineering and trading technology capabilities as the fast-growing firm continues to expand, according to a report by eFinancial Careers. Chao Peng has joined Kalshi after spending six years at Citadel, where he worked as a quantitative developer building trading systems. The appointment comes as Kalshi continues to invest heavily in its technology platform following rapid growth in prediction markets. In May, the company introduced perpetual futures trading, with reported trading volumes surpassing $1bn within a week of launch. It has also unveiled Kalshi Pro, a professional trading interface aimed at active market participants requiring faster execution and the ability to trade multiple markets simultaneously.