David Sumlin
Lead Software Engineer at Wells Fargo
United States
Summary
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SeniorDavid Sumlin is a Lead Software Engineer and data-focused technology leader with over a decade of enterprise experience and 30+ years of hands-on engineering acumen. Currently at Wells Fargo, he drives scalable, supportable, and governed data solutions for high-visibility business domains, combining SQL Server database expertise with practical processes, documentation, and training to raise organizational data maturity. His background spans BI architecture, data warehousing, ETL, and metadata governance across platforms like Oracle, Teradata, DB2, Essbase, and Microsoft technologies, and he has translated that depth into Atlassian-driven process transformations and admin mentorship. A former CEO who led consulting engagements for Fortune 500 clients, he brings both strategic leadership and day-to-day technical craftsmanship, often favoring pragmatic governance and reproducible patterns over flashy one-offs.
13 years of coding experience
22 years of employment as a software developerGithub contributions (5)
sumofdavid/sql-server-auditing
Mar 2013 - Sep 2013
Contributions:30 commits in 6 months
sumofdavid/sql-dba-audit-look-framework
Jan 2015 - Aug 2015
Contributions:4 pushes, 2 tags in 7 months
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