Senior Data Engineer - Next-Gen Data Platform

Group One Trading is seeking a Senior Data Engineer to design and operate a next-generation data platform that powers trading analysis and decision-making. You will work closely with traders, risk, finance, and technology to translate data needs into reliable systems. You will help migrate workloads to modern architectures using cloud data warehouses and lakehouses, implement CI/CD, data quality controls, and observability, and contribute to architectural decisions that scale with the firm.