Ronald Xu
Machine Learning Engineer II at Amazon Web Services (AWS)
Cambridge, Massachusetts, United States
Summary
👤
Senior🎓
Top SchoolRonald Xu is a Machine Learning Engineer II based in Cambridge, MA with 12 years of software and ML-focused experience, currently working on inference optimization science at AWS. He has progressed through roles at AWS from intern to engineer to his current position, with hands-on work in Graph ML, EC2 cloud modernization, and production inference systems. Ronald pairs academic rigor from MIT (CS & Engineering) and research experience at MIT-IBM Watson AI Lab with practical software engineering across internships at MathWorks and Cresicor. He’s comfortable bridging research and production, having contributed to LLM projects during an IBM research internship and supported cloud modernization efforts at AWS. Colleagues would note his pattern of returning to deepen impact in organizations—moving from internships into full engineering roles—indicating both technical curiosity and operational follow-through. Based in a major AI hub, he balances system-level engineering with applied ML research to accelerate real-world model deployment.
11 years of coding experience
4 years of employment as a software developer
Bachelor of Science - BS, Computer Science and Engineering, Bachelor of Science - BS, Computer Science and Engineering at Massachusetts Institute of Technology
English, Chinese
Stackoverflow
1reputation
0reached
0answers
0questions
Github Skills (26)
sampling9
loss9
tally8
polling6
bayesian6
python6
common-data-format5
elections5
voting5
senate4
audit4
ats4
watson3
ifttt3
sensitive-data3
Programming languages (4)
Github contributions (5)
ron-rivest/2016-aus-senate-audit
Jul 2016 - Aug 2016
Contributions:47 commits, 5 PRs, 40 pushes in 1 month
electionssecurityaustralian-senate-electionssenate-electionsaustralian
ron-rivest/consistent_sampler
Aug 2018 - Jan 2021
Routine for providing 'consistent sampling' (intended for use in election audits).
Contributions:3 reviews, 19 commits, 3 PRs in 2 years 5 months
routineauditsconsistentelectionsampling
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