Experience: 7–12 years in Data Engineering / Data Integration / Enterprise Data Management, with robust hands-on experience in Customer MDM or Identity Resolution .
1. MDM & Customer 360
- Strong experience building or developing Customer MDM / Customer 360 solutions .
- Valuable 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 prof

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