SQL Data Analyst

Senior SQL Data Analyst — Apex Digital Systems

Atlanta, GA | January 2024 – Present

• Engineered and optimized 15 complex SQL queries and ETL pipelines in PostgreSQL, reducing data latency by 35% and improving daily reporting reliability for 4 critical business units.
• Designed and implemented 8 interactive Tableau dashboards, giving senior leaders real-time visibility into inventory metrics and driving a 12% reduction in supply chain overhead.
• Automated monthly compliance reporting scripts using Python and SQL Server agent jobs, cutting manual data entry time by 18 hours per month and eliminating reporting errors.
• Collaborated with 3 engineering teams to migrate legacy databases to Snowflake, executing verification queries to ensure 100% data integrity for 2.4M customer records.

SQL Data Analyst — Vertex Retail Solutions

Atlanta, GA | September 2020 – December 2023

• Constructed SQL query frameworks to analyze customer purchasing patterns across 14 product categories, identifying pricing anomalies and boosting retail revenue by 8% over 12 months.
• Maintained and tuned SQL Server stored procedures and views used in financial forecasting, decreasing run-times by 42% and preventing timeout errors during month-end closes.
• Conducted ad-hoc data analysis on marketing campaigns for 5 major client accounts, presenting insights that increased digital click-through rates by 16% using statistical models.
• Trained 12 business analysts on basic SQL querying and dashboard navigation, reducing the volume of simple data requests sent to the database team by 30% over a 6-month period.

SQL (PostgreSQL, SQL Server, MySQL, Snowflake), ETL pipelines, Database optimization, Query tuning, Python (pandas, numpy), Tableau, Power BI, Excel, Business intelligence, Data warehousing, Git, Agile, Scrum

Customer Churn Prediction Engine

Role: Lead SQL Developer & Analyst

Tools: PostgreSQL, Python, Tableau, Git

Developed SQL aggregation views and logic to identify churn indicators, helping retain 450+ high-value customers and reducing churn rate by 18%.

Warehouse Inventory Database Optimization

Role: Data Analyst & Optimizer

Tools: SQL Server, SQL Profiler, Slack

Redesigned indices and query structures on a database hosting 12M inventory records, cutting average dashboard loading times from 15 seconds to 2.4 seconds.

• Microsoft Certified: Power BI Data Analyst Associate (PL-300) (2023)
• Google Advanced Data Analytics Professional Certificate (2021)
• Tableau Desktop Certified Associate (2022)

• Languages: English (Native), Spanish (Conversational)
• Volunteer Work: Mentoring underprivileged youth in SQL and data literacy (2021-present)
• Availability: 2 weeks notice