Yun Guo
Senior Software Engineer at Datadog
New York City Metropolitan Area United States
Summary
👤
Senior🎓
Top SchoolYun Guo is a Senior Software Engineer with a decade of hands-on experience designing and operating large-scale database and cloud-native systems across MSSQL, Postgres, MySQL, MongoDB and modern AWS infrastructures. Currently at Datadog after a multi-year tenure at Cvent and a stint at GitLab, Yun blends deep database tuning, automation (PowerShell, Bash, Python), and DevOps practices—having built tooling for automated T-SQL generation, Chef cookbooks, CD pipelines, and ECS migrations. He pairs academic rigor (PhD/MS in Computer Science) with practical SRE and DB reliability work, including major Postgres upgrades, partition strategies, and HA designs presented at PGConf. Comfortable across stacks from .NET and Ruby to Node and Python, Yun is equally at home optimizing queries as building service provisioning and deployment automation that reduce toil at scale. An avid AI enthusiast who favors Python on GitHub, he brings research-minded problem solving to production reliability and performance challenges.
10 years of coding experience
9 years of employment as a software developer
Bachelor's degree, Electrical and Electronics Engineering, Bachelor's degree, Electrical and Electronics Engineering at Xi'an Jiaotong UniversityDoctor of Philosophy (Ph.D.), Computer Science, Doctor of Philosophy (Ph.D.), Computer Science at George Mason University
English, mandrin
Github Skills (19)
time-series9
chatbot9
streamlit9
embedding8
deep-learning8
chatgpt7
ollama7
retrieval-augmented-generation7
milvus7
faiss7
gpt7
llama6
llm6
langchain6
coc-nvim5
Programming languages (3)
Github contributions (5)
gyangyun/koa-rest-api
Apr 2017 - Jul 2017
Contributions:7 commits, 5 pushes, 1 branch in 2 months
gyangyun/Time-Series-Library
Aug 2024 - Apr 2025
A Library for Advanced Deep Time Series Models.
Contributions:24 pushes, 4 branches in 8 months
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