Lead Data Business Analyst / Data Subject Matter Expert
- Hiring Organisation
- Citigroup
- Location
- London, England, United Kingdom
Data Analysis & SQL EngineeringWrite complex, high-performance SQL queries, stored procedures, CTEs, and window functions across relational and distributed databases (e.g., Oracle, PostgreSQL, Snowflake, Teradata) to perform data discovery, reconciliation, profiling, and root-cause analysis.Conduct comprehensive data profiling, variance analysis, gap analysis, and trend identification to validate system migrations ...