John Jardel
Senior Data Science Manager Trust & Safety
Colorado Springs, Colorado, United States
Summary
👤
Senior🎓
Top SchoolJohn Jardel is a Senior Data Science Manager specializing in Trust & Safety at Indeed, bringing 11 years of data science experience and 4+ years of people leadership to building production ML systems that protect job seekers from fraud. He scales teams and processes—growing groups from single contributors to multi-person teams, instituting SLOs that drove 90% compliance across a 50-person org, and co-leading efforts to boost interviewing capacity for aggressive hiring. His work delivered models that detect over 75% of fraudulent accounts, measurable reductions in user exposure to fraud, and millions in operational savings through rigorous A/B testing and product-focused metrics. A former astrophysics PhD who once hunted dark matter and supermassive black holes, he brings a research-grade quantitative mindset to pragmatic engineering and career coaching. Based in Colorado Springs, he combines hands-on model deployment with org-level strategy to translate complex technical problems into measurable business impact.
11 years of coding experience
14 years of employment as a software developer
Doctor of Philosophy (PhD), Astronomy, 3.96/4.00, Doctor of Philosophy (PhD), Astronomy, 3.96/4.00 at The University of Texas at AustinBachelor of Science (B.S.), Astrophysics, 3.74/4.00, Bachelor of Science (B.S.), Astrophysics, 3.74/4.00 at Rutgers, The State University of New Jersey-New Brunswick
Stackoverflow
1reputation
0reached
0answers
0questions
Github Skills (15)
python7
jupyter7
javascript7
visualization7
ipywidgets6
browser6
data-visualisation6
bokeh6
altair5
pyodide5
data-visualization4
twitter3
holoviews3
twitter-api3
logging2
Programming languages (1)
Github contributions (5)
jjardel/django-wedding-website
Jul 2018 - Jan 2023
A django-powered wedding website and guest-management system
Contributions:28 pushes, 1 branch in 4 years 6 months
management-systempythondjango-rest-frameworkdjangoguest
jjardel/probablyPOTUS
Dec 2016 - Feb 2017
Contributions:33 commits, 2 PRs, 32 pushes in 1 month
twitter-bottwitter-apitwittertweets
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