Robust On-Premise Retail Analytics Platform
Developed and maintained a comprehensive on-premise data warehouse and business intelligence (BI) system for a leading US retail company.
My role:
Senior Database Developer
This solution provided robust analytical capabilities and rich reporting functionalities to support data-driven decision making:
Data Warehouse (SQL Server): Designed and managed a scalable data repository for historical retail data.
ETL (SSIS): Automated data extraction, transformation, and loading processes.
Multi-Dimensional Analysis (SSAS): Created OLAP cubes for complex data analysis.
Reporting (SSRS): Developed interactive reports for retail insights.
Key Responsibilities:
Data Management and Analytics:
Designed and developed the data warehouse schema to optimize data storage and retrieval for retail analysis.
Developed T-SQL queries and SSIS packages to automate data extraction, transformation, and loading processes.
Created OLAP cubes within SSAS to enable multi-dimensional data analysis for various retail metrics.
Developed interactive reports using SSRS to visualize data and provide insights to stakeholders.
Database Administration:
Administered and maintained the SQL Server data warehouse environment, ensuring data integrity and performance.
Performed T-SQL performance tuning and optimization to ensure efficient data querying and retrieval.
Production Support:
Participated in 24/7 production system support, identifying and resolving data and non-data issues within the data warehouse, OLAP cubes, and ETL processes.
Communication and Collaboration:
Communicated directly with stakeholders to understand business needs and provide technical guidance.
Participated in code reviews and refactoring efforts to ensure code quality and maintainability.
Utilized Python for additional scripting tasks as needed.