GuillaumeĀ Chorn
Director Of Engineering at Zefr
Gardena, California, United States
Summary
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Top SchoolGuillaume Chorn is a Director of Engineering with 11 years of software experience and a decade-long tenure at Zefr where he progressed from Software Engineer to Director, leading architecture, delivery, and cross-functional teams. He blends hands-on full-stack engineering with people leadership, shipping production systems and guiding engineers through growth and operational excellence. His early background in biological sciences and lab research at Merck gives him a data-driven, experimental mindset that informs technical decision-making and problem decomposition. Guillaume has practical Django and web-development roots and has overseen complex projects spanning backend services to client-facing features. Based in Gardena, California, he is comfortable scaling teams in startup-like environments while maintaining close involvement in engineering craft. Colleagues would describe him as a pragmatic leader who turns technical ambiguity into clear, measurable outcomes.
10 years of coding experience
14 years of employment as a software developer
BS/MS Biological Sciences, BS/MS Biological Sciences at Stanford University
English, French, Chinese, French
Github Skills (32)
python-client9
marshmallow9
tarantool9
confluent7
sqlalchemy7
confluent-cloud7
flask7
service-provider6
polars6
producer6
connect6
athena6
librdkafka6
python6
kafka-python6
Programming languages (1)
Github contributions (5)
gchorn/golden-marshmallows
Apr 2018 - Sep 2020
A better integration between SQLAlchemy and Marshmallow.
Contributions:5 releases, 3 reviews, 34 commits in 2 years 5 months
polarspythondataframesathenasqlalchemy
gchorn/nba_stats
Sep 2017 - Nov 2017
Contributions:2 PRs, 13 pushes, 4 branches in 2 months
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