Mid-Level SQL Engineer

Mid-Level SQL Engineer in St. Louis, MO (onsite) responsible for developing complex SQL, shaping data for dashboards, and supporting data-driven analytics for a high-visibility application, with a salary range of USD 87,100 to 157,450 per year.

Responsibilities

• Develop complex SQL queries featuring joins, aggregations, filtering, subqueries, and window functions to support dashboards
• Shape query outputs for dashboard consumption with clear naming, logical grouping, and consistent formatting
• Collaborate with dashboard developers to define data requirements and deliver datasets for visualizations and reporting
• Validate data accuracy, consistency, and completeness for datasets used in dashboards
• Identify inefficient queries and apply basic optimizations to maintain responsive dashboards
• Translate dashboard and reporting requirements into effective SQL solutions

Requirements

• Bachelor’s degree in computer science, software engineering, or related field with 4–8 years of experience; or Master’s degree with 2–6 years
• U.S. Citizenship
• Active TS/SCI with ability to successfully pass a polygraph
• Strong SQL skills, including advanced queries with joins, aggregations, subqueries, and window functions
• Experience with enterprise relational databases (PostgreSQL, MySQL, Oracle, etc.)
• Background supporting analytics, dashboards, or reporting pipelines
• Comfortable working in Linux‑based environments
• Proven ability to work independently on data-centric tasks and ensure data quality

Technologies

• SQL, PostgreSQL, MySQL, Oracle
• Grafana, Tableau
• Linux
• CI/CD pipelines

Benefits

• High Impact
• High Visibility
• Career Growth
• Challenging Work