Blend is looking for an Identity / MDM Specialist to architect and implement the foundational layer that makes intelligent, data-driven decisions possible. This is a high-impact engineering role at the heart of our data platform you will design how customer identities are resolved, how households are linked, and how golden records are maintained across a complex multi-source environment.If you have deep experience untangling messy, real-world identity data and a track record of building matching systems that actually work at scale, this role was designed for you.Identity ResolutionDesign and implement customer matching logic using both deterministic and probabilistic approachesBuild a household linkage model that connects individual subscribers to household unitsImplement deduplication logic across multiple heterogeneous data sourcesDefine golden record structure, confidence scoring, and merge/split rulesData Quality & GovernanceEstablish data quality frameworks and monitoring to ensure identity integrity over timeDefine PII handling standards, lineage tracking, and audit trails for all identity dataDevelop confidence thresholds and escalation paths for low-confidence matchesVendor & Stakeholder CoordinationCoordinate with third-party identity enrichment vendors on data formats and matching keysPartner with product, engineering, and analytics teams to align on unified customer definitionsDocument architecture decisions, match rules, and operational runbooks
