An ETL (Extract, Transform, Load) Developer is responsible for designing, developing, and maintaining data integration processes that involve extracting data from various sources, transforming it into a usable format, and loading it into a data warehouse or database. They work with structured and unstructured data and use specialized ETL tools like Informatica, Talend, or Apache NiFi, combined with strong SQL and scripting skills, to ensure data is accurately processed and stored for analysis.
ETL Developers typically work with large datasets and play a key role in supporting business intelligence (BI) and data warehousing efforts. Their work enables data analysts and data scientists to access and analyze high-quality data, making it a crucial function in data-driven organizations, especially in industries like technology, finance, and healthcare.
ETL Tools
SQL and Data Warehousing
Data Transformation and Integration
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