Data Modeler

Principal Data Modeller | Credit / Financial Data ContractChicago | Hybrid / flexible working This role requires a senior data modeller/architect to take ownership of a complex financial data domain within a global data and analytics environment focused on defining and stabilising a core credit data model used across multiple products and consumers. You'll be expected to operate independently, make modelling decisions with incomplete information, and leave behind a clear, buildable structure for engineering teams. This is a hands-on modelling authority position!

Define and refine key entities such as issuer, instrument, rating, event, and time/history Work across fragmented and under-documented data sources to establish clean, canonical definitions Produce source-to-target mappings, data dictionaries, and lineage artefacts Ensure models are aligned with downstream delivery (data products, feeds, APIs) Partner with product, engineering, and domain stakeholders to drive decisions and resolve ambiguity Set modelling standards that others can follow and build againstTHE REQUIREMENTS:Strong experience owning enterprise data models (conceptual, logical, physical) Proven background in financial services data (credit, risk, markets, or reference data) Ability to work in messy environments and reverse-engineer existing data structures Experience producing canonical models and governance artefacts Comfortable operating independently without heavy oversight Strong stakeholder engagement and ability to challenge where needed Exposure to Snowflake / modern cloud data platforms Experience working with data products, feeds, or APIsFamiliarity with Data Vault / dimensional modelling approaches Experience in environments with multiple data consumers and distribution channels