Wells Fargo is seeking a Quantitative Software Engineer at the Executive Director level to join their Investment Portfolio team. This role focuses on implementing financial models including interest rate, mortgage prepayment and default, derivative valuation, hedging, and horizon forecast models. The position requires expertise in software engineering and DevOps best practices to enhance and streamline library development and CI/CD workflow. The role involves working with the Wells Fargo Investment Portfolio (IP) which manages the Company's Available-For-Sale (AFS) and Held-To-Maturity (HTM) securities and loan portfolios. This is a senior technical position that combines financial domain knowledge with advanced software engineering skills. The role offers competitive compensation, comprehensive benefits, and the opportunity to work on complex financial software systems at a leading financial institution. The position requires strong collaboration with business, model development, validation, and IT teams while focusing on creating performant, modular, and well-abstracted code.