Jeff Dudenhoeffer
Analytics Engineer at Dune
Columbus, Ohio, United States
Summary
🤩
Rockstar🎓
Top SchoolJeff Dudenhoeffer is an Analytics Engineer with 4 years focused on making complex data accessible and actionable, currently building Dune’s open-source Spellbook to transform raw blockchain data into analyst-friendly SQL views. He brings a decade-plus background in data engineering and cloud migrations—having led end-to-end analytics implementations and Azure-based migrations as a Principal Data Engineer and senior consultant. Jeff blends hands-on SQL and ETL prowess with product-minded thinking, evident in his contributions to DAO and ERC20 token schemas on Dune. Based in Columbus, Ohio, he pairs pragmatic BI experience (Power BI, Tableau) with on-chain analytics expertise, making him adept at turning messy data models into reliable, reusable assets.
4 years of coding experience
5 years of employment as a software developer
Bachelor, Business Administration; Marketing and Management Information Systems, Bachelor, Business Administration; Marketing and Management Information Systems at Ohio University
Github Skills (9)
data-modeling10
sql10
database-design10
data-analysis10
blockchain9
chain9
ethereum9
erc209
data-engineering8
Programming languages (4)
Github contributions (5)
duneanalytics/spellbook
Apr 2022 - Jan 2023
SQL views for Dune
Role in this project:
Back-end Developer & Database Engineer
Back-end Developer & Database EngineerContributions:9 releases, 5255 reviews, 71 commits in 9 months
Contributions summary:Jeff's contributions primarily focus on modifying and refactoring SQL views used in the Dune Analytics platform. They updated table names, reformatted transaction statements, added dependencies to drop views, and initialized various database objects. Furthermore, the user removed and added ERC20 token definitions and fixed column name discrepancies, demonstrating an understanding of data models and schemas. They also introduced and updated several DAO-related spells and configurations, indicating knowledge of on-chain governance and data analysis related to decentralized autonomous organizations.
sqldatabasemysqldune
et-dynamic/spellbook
Feb 2025 - Feb 2025
SQL views for Dune
Contributions:4 pushes in 9 days
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