Ruoying Hao
Lead Software Engineer at Capital One
Dallas, Texas, United States
Summary
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Senior🎓
Top SchoolRuoying Hao is a Lead Software Engineer based in Dallas with a decade of experience building full-stack, cloud-native applications that drive measurable cost and time savings. She has a track record at Capital One and ADP of architecting end-to-end systems—from React and TypeScript front ends to Python back ends and AWS infrastructure—that replaced manual processes and delivered six-figure annual savings and major migration time reductions. Comfortable across data stores (Postgres, Snowflake, DynamoDB), CI/CD, and security tooling, she also applies ML techniques like RAG and Word2Vec from academic projects to production problems. A mentor and certified technical interviewer, she blends strong engineering craft with process automation and developer experience work that scales across hundreds of applications. Her double major in Computer Science and Accounting underpins a practical focus on auditable, cost-conscious solutions that align engineering with business outcomes.
10 years of coding experience
9 years of employment as a software developer
Accounting, Accounting at Southwestern UniversityBachelor of Science - BS Computer Science Accounting (double major), Bachelor of Science - BS Computer Science Accounting (double major) at William & Mary
Chinese, EnglishGithub contributions (5)
ruoyinghao/ml-ai
Jan 2017 - Mar 2017
Contributions:14 commits, 13 pushes, 1 branch in 1 month
ruoyinghao/YourTaxAssistant
May 2016 - Feb 2017
Contributions:23 pushes, 4 branches in 8 months
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