Data Engineering | Cloud | Analytics

Derrick Griffin

Data Engineer & Technical Lead

I build reliable data pipelines and cloud data platforms that transform raw data into trusted, actionable insights. My toolkit includes Snowflake, dbt, SQL, Python, Java, and AWS.

Core Technologies

SnowflakedbtSQLPythonJavaAWS

Selected Work

Featured Projects

SnowflakedbtSQLPython

Retail Analytics Data Warehouse

An end-to-end ELT project that loads retail order data into Snowflake, transforms it with dbt, and produces analytics-ready sales metrics by product category.

Key Accomplishments

  • Built a Snowflake cloud data warehouse for retail analytics.
  • Created dbt staging transformations and a category-level sales fact table.
  • Implemented data quality checks for uniqueness, null values, and revenue metrics.
  • Passed all 7 dbt data tests.
  • Generated dbt documentation to explore models and data lineage.

7/7

Data tests passing

2

dbt transformation models

10

Sample retail order records

About Me

I combine data engineering, software development, and technical leadership to design dependable data solutions. This portfolio showcases my engineering projects, data quality practices, and work with modern cloud platforms.