Zezheng Xu
Software Dev Engineer II at Amazon
United States
Summary
👤
Senior🎓
Top SchoolZezheng Xu is a Software Development Engineer II with 11 years of engineering experience, currently building Ads Big Data systems at Amazon after leading backend and data-platform efforts at a high-growth SaaS startup. He combines strong academic credentials (MS Business Analytics, Columbia; BS ECE, Rochester) with hands-on expertise in Java, Kotlin, Go, and AWS-powered architectures to deliver scalable data pipelines, real-time streaming solutions, and semantic search features. At AlphaROC he drove multimillion-dollar revenue features, replaced vendor workflows with automated Prefect/AWS pipelines that saved substantial costs, and improved Kafka throughput using a Flask+DynamoDB cache. He mentors teams, sets coding standards, and has a track record of turning spreadsheet-based processes into production-grade databases and APIs. Comfortable across ML, data engineering, and backend systems, he brings a practical bent for shipping measurable business impact and an appetite for learning new technologies.
11 years of coding experience
3 years of employment as a software developer
Master of Science, Business Analytics, 4.0 / 4.0, Master of Science, Business Analytics, 4.0 / 4.0 at Columbia University in the City of New YorkBachelor's degree, Electrical and Computer Engineering, 3.8 / 4.0, Bachelor's degree, Electrical and Computer Engineering, 3.8 / 4.0 at University of RochesterHigh School Diploma, High School Diploma at Manlius Pebble Hill School
English, Chinese, Spanish, Japanese
Stackoverflow
1reputation
0reached
0answers
0questions
Github Skills (47)
json10
rundeck10
monitoring10
diagnostic-tool10
realtime10
jvm10
messaging10
rocketmq10
http10
kafka10
java10
apm10
classloader10
restful10
event-driven10
Programming languages (3)
Github contributions (5)
jamesxuhaozhe/Java-Design-Pattern
Oct 2015 - Dec 2020
Contributions:52 commits, 50 pushes, 1 branch in 5 years 3 months
jamesxuhaozhe/LeetCode-Java-Kotlin
Jun 2019 - Feb 2021
Java and Kotlin solution for LeetCode problem
Contributions:820 commits, 2 PRs, 819 pushes in 1 year 8 months
leetcodeleetcode-solutionskotlinproblemjava
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