Dorian Jaminais-grellier
Staff Software Engineer at Reddit, Inc.
Les Sables-d'Olonne, Pays de la Loire, France
Summary
🤩
Rockstar🎓
Top SchoolDorian Jaminais-grellier is a Staff Software Engineer with 14 years of experience building and operating large-scale, highly reliable data infrastructure for companies like Facebook, Lyft, and Reddit. He has led multi-team engineering efforts at exabyte scale—driving storage and sharding redesigns, automating cluster turn-up from weeks to days, and squeezing measurable efficiency gains (e.g., 6% storage savings, 8% CPU utilization uplift, 75% Redis cost reduction). His expertise spans data warehousing, authentication infrastructure, deployment automation, and incident-driven reliability improvements, with a knack for re-architecting systems to remove single points of failure and reduce operational load. Based in Les Sables-d'Olonne, France, he combines deep hands-on engineering with mentoring and hiring experience, having onboarded engineers and conducted 120+ interviews. An operator who thinks like an architect, Dorian delivers pragmatic, auditable solutions that scale across teams and cloud environments.
13 years of coding experience
9 years of employment as a software developer
Ingeniero informatico, Information Technology, Ingeniero informatico, Information Technology at Universidad de BelgranoEngineer's degree, Information Technology, Engineer's degree, Information Technology at Ecole supérieure d'Electronique de l'Ouest-ESEO ANGERS
French, English, Spanish
Github Skills (59)
actionscript10
reddit10
csharp10
monitoring9
java9
prometheus-exporter9
exporter9
system-monitoring9
time-series9
http9
thrift9
prometheus9
python-client9
zigbee9
network-server9
Programming languages (5)
Github contributions (5)
nanassito/SharedVault
Nov 2019 - Apr 2021
Contributions:41 commits, 24 pushes, 3 branches in 1 year 5 months
nanassito/argparse_logging
Aug 2019 - Nov 2020
This is a simple library to configure logging from command line argument when using argparse.
Contributions:1 release, 19 commits, 7 PRs in 1 year 3 months
command-line-toolloggerargparseloggingconfigure
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