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 Strong 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, reconciliation and deduplication . 7. Engineering Mindset This is a custom MDM development/build role , not simply an MDM platform configuration role. Candidate should be comfortable reviewing existing logic, identifying gaps, writing production code, testing match quality and continuously improving the Load → Match → Merge → Review → Refine lifecycle. Ideal Candidate Keyword Combination MDM / Customer MDM Customer 360 Entity/Identity Resolution Record Linkage Probabilistic/Fuzzy Matching Golden Record Survivorship Deduplication Advanced SQL Snowflake dbt Data Modeling Good-to-Have D&B; / D-U-N-S SAP Customer Master PostgreSQL Python Data Stewardship / Human-in-the-loop exception management Graph/network-based identity resolution

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