Hao Sun
Staff Software Engineer at Rippling
San Francisco, California, United States
Summary
👤
Senior🎓
Top SchoolHao Sun is a Staff Software Engineer and engineering leader with over a decade of experience building high-impact teams and production systems across startups and established SaaS companies. He has a proven record of founding four engineering teams, scaling groups to 20+ people, and delivering complex distributed systems in machine learning, real-time stream processing, and growth engineering. At Zendesk he dramatically cut fraud and abuse through Kafka/Flink pipelines and in-house ML models, and at ClickUp led growth experiments that drove $10M incremental ARR. More recently he led engineering at Linea, shipping PySpark/Dataproc data pipelines and foundational CI/CD and SDK work to accelerate product-market validation. Comfortable both as a hands-on technologist (Python, Scala, Ruby, Kubernetes, AWS/GCP) and a coach for engineers and managers, he thrives in ambiguous, rapidly changing environments. He holds advanced research training from Tokyo Institute of Technology and often combines academic rigor with pragmatic delivery.
11 years of coding experience
14 years of employment as a software developer
PhD Engineer, PhD Engineer at Tokyo Institute of Technology
Github Skills (25)
google-auth-library9
google-auth8
plugin-architecture8
architecture7
auth7
rails6
python6
continuous-delivery6
ruby6
linux5
conda5
cd5
kubernetes5
docker5
continuous-deployment5
Programming languages (5)
Github contributions (5)
xsunsmile/zentivity
Mar 2015 - Jun 2015
Contributions:117 commits in 3 months
ios-appactivity-managementvolunteerswiftios
incubatie/mongo-rocks-docker
Dec 2017 - Dec 2017
Contributions:3 pushes, 1 branch in 2 days
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