Database Performance Expert
Our organization is seeking an experienced SQL Engineer to join our high-performance data team.
This role requires a professional with expertise in crafting complex SQL queries for large datasets in AWS Athena and PrestoSQL.
* Develop, optimize, and maintain SQL code for efficient data processing and analysis.
* Collaborate with data teams to translate business requirements into robust SQL logic.
* Design, implement, and improve data models (fact/dimension structures, partitioning, data integrity checks).
* Build and manage data outputs in CSV, Excel, or other analytical formats.
* Ensure query performance, troubleshoot data issues, and guarantee accuracy and consistency.
Required skills:
* 3-6 years of hands-on experience with SQL development (advanced query design, joins, CTEs, window functions).
* Mandatory: Proven production-level experience with Athena and PrestoSQL.
* Strong knowledge of data warehouses, data lakes, and S3-based querying.
* Solid understanding of data modeling concepts (star schema, partitioning, data lineage).
* Experience building and validating analytical datasets and exports (CSV, Excel, BI feeds).
* Comfortable working in fast-paced, remote environments.