Senior Quantitative Researcher

A4Assist in New York seeks a Senior Quantitative Researcher to build models powering an automated, cost-optimized execution engine for OTC Fixed Income markets. This founding-level IC role offers potential to grow into a leadership position. Responsibilities include development of TCA, market impact, and RFQ-based models, with deployment collaboration across trading, product, engineering, and compliance. Strong background in causal inference and econometrics is required. #J-18808-Ljbffr