Experience: 7–12 years in Data Engineering / Data Integration / Enterprise Data Management, with strong hands-on experience in Customer MDM or Identity Resolution . 1. MDM & Customer 360 Strong experience building or developing Customer MDM / Customer 360 solutions . Good understanding of Golden Records, Customer/Party models, source systems, crosswalks and data lineage . Should have hands-on experience with customer/individual mastering and deduplication . 2. Entity & Identity Resolution – Critical Strong experience in Entity Resolution, Identity Resolution and Record Linkage . Hands-on experience with deterministic, probabilistic and fuzzy matching . Should understand blocking/candidate generation, matching scores, thresholds, precision/recall, false positives/negatives . Experience handling duplicate customers/individuals across multiple source systems. 3. Survivorship & Golden Record Solid understanding of attribute-level survivorship rules . Ability to determine which source/value should become the Golden Record based on source priority, quality, completeness, recency,



verification, etc. Experience with merge/unmerge, crosswalks, source traceability and reversible merges . 4. Advanced SQL – Mandatory Strong/advanced SQL is mandatory. Should be comfortable working with large datasets and complex SQL. Experience with CTEs, window functions, MERGE, query optimization and set-based processing . Candidate should be hands-on in writing and optimizing production SQL, not just reviewing it. 5. Snowflake dbt Robust hands-on experience with Snowflake . Hands-on dbt experience for transformation, modular models, testing, lineage and documentation. PostgreSQL experience is preferred. 6. Data Modeling & Data Quality Strong data modeling / entity-relationship modeling skills. Experience designing models around customers, individuals, organizations, identifiers, relationships and hierarchies . Should be able to perform data profiling, cleansing, standardization, validation,

📌 Senior MDM Developer (Karnataka)
🏢 VAYUZ Technologies
📍 Karnataka