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.
Positive 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
Strong 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, reconcilia

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