Lead / Sr. Data Engineer

Years of Experience: 8+ Years of

Needs to show they can reason about schema design, indexing strategy, and query performance at scale

Hands on experience in designing data model from scratch strong SQL (joins, CTEs, window functions, CASE logic). Python as well

Migration (DB->DB, schema , etc) – Handling rollback, and data validation. Validation, reconciliation, or consistency checks Handling transaction records.