Freddy Drennan
Senior Software Engineer at Genentech
Denver, Colorado, United States
Summary
👤
Senior🎓
Top SchoolFreddy Drennan is a Senior Software Engineer and R/HPC systems specialist with a decade of experience building resilient data platforms for life sciences and adtech. Currently at Genentech, he designs next-generation R systems for research while previously leading multi-team deployments of R and Python at BioMarin. His background blends production-grade engineering—optimizing pipelines, databases, and cluster tooling—with hands-on statistical tool development and centralized monitoring for regulated environments. Before software, Freddy served as a trauma ICU and pediatric nurse, a perspective that informs his disciplined approach to reliability, safety, and stakeholder communication. Comfortable across Redshift, MongoDB, HPC and Shiny, he pairs deep technical craft with practical product impact. Based in Denver, he’s known for turning complex statistical workflows into maintainable, scalable systems that accelerate research.
10 years of coding experience
7 years of employment as a software developer
Bachelor of Business Administration (BBA) Quantitative Finance | Mathematics, Bachelor of Business Administration (BBA) Quantitative Finance | Mathematics at Texas McCombs School of BusinessLPN Nursing, LPN Nursing at Army Medical Department Center and Schools
English
Stackoverflow
3reputation
45reached
0answers
1question
Github Skills (74)
tuple9
r-package9
r8
scheme8
forecast7
reticulate7
scripting7
python6
coercion6
rust5
plumber5
api5
reddit5
forecasting5
redux5
Programming languages (10)
Github contributions (5)
fdrennan/talon_community
Mar 2019 - Oct 2019
a single source of application-specific scripts
Contributions:16 PRs, 268 pushes, 7 branches in 7 months
scriptingazerothcorehttpdperlfreeradius
fdrennan/redditsuite
Jan 2021 - Feb 2021
A package to pull Reddit data and store it in PostgreSQL.
Contributions:44 commits, 13 PRs, 63 pushes in 23 days
postgresqlreddit
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