Gary Sieling
Sr. Director at Pinnacle 21
Pennsylvania, United States
Summary
👤
Senior🎓
Top SchoolGary Sieling is a product-focused senior engineering leader with 14 years of experience building and scaling life sciences and regulated-industry SaaS products. Currently Sr. Director at Certara after progressing from Principal and Senior Staff Engineer, he leads strategic engineering initiatives that bridge product, compliance, and cloud-native operations. He has deep hands-on expertise in AWS automation, data pipeline reliability, and full-stack systems from his work deploying mission-critical scientific data platforms and contributing to NASA open source projects. Known for hiring and mentoring high-performing teams, Gary combines pragmatic architecture decisions with an eye for operational security and regulatory needs—skills honed during acquisitions and enterprise integrations. Based in Pennsylvania, he pairs technical breadth (Java, Scala, Python, serverless) with a knack for turning complex domain requirements into deployable products.
14 years of coding experience
19 years of employment as a software developer
Bachelor of Science Computer Science, Bachelor of Science Computer Science at Rochester Institute of Technology
Stackoverflow
356reputation
19kreached
12answers
5questions
Github Skills (131)
coder10
creative-commons10
cpp10
javascript10
java10
react-library10
semantic-ui-react9
api9
python9
semantic-ui9
css9
dst9
artificial-intelligence9
csv8
fomantic-ui8
Programming languages (10)
Github contributions (5)
garysieling/pdf-js-csv
Jul 2013 - Sep 2016
Contributions:67 commits, 1 PR, 1 push in 3 years 2 months
csvpdf
garysieling/pennsylvania-social-justice-maps
Dec 2022 - Mar 2024
Contributions:123 pushes, 1 branch, 6 comments in 1 year 2 months
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