Yifan Liu
Ann Arbor, Michigan, United States
Summary
🤩
Rockstar🎓
Top SchoolYifan Liu is a pragmatic software engineer and recent Michigan grad now pursuing an MS in Computer Science at UC San Diego, with three years of hands-on experience building full-stack systems and production AI services. He has delivered scalable features at TikTok, including an IDE plugin used by 5,000+ developers that cut unit-test authoring time by 85%, and engineered efficient PSI-based context extraction and streaming model integrations to achieve low-latency, secure inference. At startups he built customer-service and image-generation platforms processing millions of logs and 100k+ records, fine-tuned large LLMs (Qwen series) with LoRA to cut loss and inference time substantially, and deployed RAG/agent pipelines with sub-0.2s response times. Comfortable across C/C++, Python, OCaml, and JavaScript, he pairs systems-level performance tuning (runtime caps, token pruning, payload compression) with practical ML engineering and async production deployments. Notably, he combines deep implementation skill with a penchant for measurable impact — speeding workflows and trimming resource use rather than just prototyping features.
3 years of coding experience
1 year of employment as a software developer
University of California, San DiegoBachelor's degree, Computer Science, 3.988/4.000, Bachelor's degree, Computer Science, 3.988/4.000 at University of MichiganBachelor's degree, Electrical and Computer Engineering, 3.7, Bachelor's degree, Electrical and Computer Engineering, 3.7 at 上海交通大学
Github Skills (22)
abstract10
elm9
ocaml9
reasonml9
functional-programming9
lenses9
reason9
monads9
homotopy-type-theory8
rust8
category-theory8
dune8
opam7
editor7
haskell7
Programming languages (2)
Github contributions (5)
fanbaoAA/diy-hazelnut
Mar 2023 - Apr 2023
Contributions:1 push, 1 branch in 1 day
rustviz/rustviz2
Jun 2023 - Nov 2023
Contributions:15 pushes, 1 branch, 7 issues in 4 months
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