Lead PolyPaths Consultant

Independent Candidates Only - W2 Only Job Title: Lead PolyPaths Subject Matter Expert (SME) Location: New York, NY (Hybrid – Local Candidates Only) Duration: Initial 6–12 Months, with a probable extension Willingness to do an onsite interview.Required Experience: 5+ Years of Hands-on PolyPaths ExperienceRequired Qualifications5+ years of hands-on experience with PolyPaths.Strong knowledge of mortgage products, including agency MBS, CMOs, TBAs, non-agency RMBS, CMBS, and ABS.Solid understanding of fixed-income and mortgage-risk analytics, including OAS, duration, convexity, VaR, sensitivities, scenario analysis, stress testing, and P&L explain.Strong Python programming skills for production automation, data processing, and validation.Advanced SQL skills, including complex query development and performance tuning.Enterprise ETL experience with SSIS, Informatica, Talend, Azure Data Factory, DataStage, or similar tools.Hands-on experience with Databricks, Apache Spark, PySpark, notebooks, and job orchestration.Proven L3 production support experience within financial services.Understanding of incident, problem, and change management processes.Strong troubleshooting, communication, and stakeholder-management skills.