Senior SQL Developer Opportunity
We are seeking a highly skilled Senior SQL Developer to join our high-performance data team. As a key member of this team, you will be responsible for designing, developing, and maintaining large-scale SQL queries and data models that support analytical and reporting workflows across distributed data systems.
Key Responsibilities:
* Create complex SQL queries for large datasets in AWS Athena and PrestoSQL
* Develop, maintain, and improve data models (fact/dimension structures, partitioning, data integrity checks)
* Build and manage data outputs in CSV, Excel, or other analytical formats
* Collaborate with data and business teams to translate data requirements into efficient SQL logic
* Perform query tuning and cost optimization for S3-based storage environments
* Monitor query performance, troubleshoot data issues, and ensure accuracy and consistency
Required Skills & Experience:
* At least 3 years of hands-on SQL development experience (advanced query design, joins, CTEs, window functions)
* Mandatory: Proven, production-level experience with Athena and PrestoSQL
* Strong experience working with 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, data-driven environments