Financial Mathematics Expert (Python, Quant Finance)

We are seeking an expert in financial mathematics to design and verify complex, research-style problem sets using Python. The work involves creating original, computationally intensive problems relevant to quantitative finance and financial modeling, with requirements that solutions involve advanced methods and cannot be solved manually. You will be tasked with authoring problems in topics such as stochastic processes, optimization, simulation, time series, and risk modeling. All solutions must be validated in Python with clear, reproducible documentation.