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
Robust/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, 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 (Bengaluru)
🏢 VAYUZ Technologies
📍 Bengaluru