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Role: Mortgage Domian SME
Descriptions:
Role: Mortgage Domian SME
Descriptions:
- Analyze mortgage data across the full loan lifecycle (origination, underwriting, closing, servicing, and secondary market)
- Own alignment of enterprise mortgage data to MISMO standards, logical data models, and industry best practices
- Define and maintain data mappings from LOS, servicing, credit, and investor systems to MISMO compliant structures
- Design and maintain enterprise scale analytical and dimensional data models (star/snowflake schemas) in Snowflake
- Translate complex MISMO XML/JSON structures into performant, analytics ready relational data models
- Develop, optimize, and review advanced SQL for large scale mortgage datasets; ensure performance and maintainability
- Leverage Snowflake capabilities (clustering, secure views, CTEs, performance tuning) to support scalable analytics and modeling workloads
- Perform exploratory data analysis to identify data quality issues, emerging portfolio trends, and model impacting risks
- Develop and curate mortgage specific metrics and features (e.g., LTV, DTI, delinquency indicators) for analytics and modeling use cases
- Support credit risk, prepayment, and performance models by validating data inputs and ensuring ongoing data readiness
- Define and implement data quality controls aligned with MISMO business rules, investor requirements, and regulatory expectations
- Document data models, data definitions, and SQL logic to support governance, auditability, and reuse
- Strong knowledge of the mortgage loan lifecycle and mortgage data
- Hands on experience with MISMO standards and data mappings
- Expertise in dimensional and analytical data modeling
- Advanced SQL skills for large, complex datasets
- Proven experience working in Snowflake (data modeling, performance tuning)
- Experience supporting analytics and modeling use cases (risk, performance, or credit)
- Strong focus on data quality, governance, and documentation