You will provide technical leadership while remaining hands‑on: design, build, test, and deploy scalable front‑end UIs, high‑performance backend services, and APIs; translate quant and portfolio‑manager requirements into technical designs; collaborate with engineering, quant teams, and portfolio managers to define scope and priorities; own delivery, production reliability, and incident response; and mentor peers. Strong Python proficiency, advanced SQL for complex data analysis, 10+ years of software engineering experience delivering production systems, and experience with cloud platforms (AWS preferred).