Advanced SQL Developer Position
We are seeking a skilled and experienced SQL developer to join our team in a challenging role.
Main Responsibilities
1. Develop, optimize and refine complex SQL queries for large datasets using Amazon Athena and PrestoSQL.
2. Design, implement and improve data models (fact/dimension structures, partitioning, data integrity checks) for high-performance data environments.
3. Build and manage data outputs in various formats including CSV, Excel, and other analytical formats.
4. Collaborate with data and business teams to translate data requirements into efficient SQL logic.
5. Perform query tuning and cost optimization for S3-based storage systems.
6. Monitor and troubleshoot query performance issues, ensuring accuracy and consistency of data results.