Develop and maintain scalable ETL/ELT pipelines using SQL, platform-native tools (e.g., BigQuery, Dataform, Power Query), APIs, and/or integration frameworks to ingest data from diverse sources (cloud platforms, Oracle, SQL Server, APIs, flat files, legacy systems). Lead the design and implementation of scalable, enterprise-grade BI and analytics architectures across multiple platforms (e.g., Looker/Looker Studio, Power BI, Tableau, Qlik, or similar).