Lequn Chen

Research Engineer at Perplexity

Seattle, Washington, United States
email-iconphone-icongithub-logolinkedin-logotwitter-logostackoverflow-logofacebook-logo
Join Prog.AI to see contacts
email-iconphone-icongithub-logolinkedin-logotwitter-logostackoverflow-logofacebook-logo
Join Prog.AI to see contacts

Summary

🤩
Rockstar
🎓
Top School
Lequn Chen is a research engineer in Seattle with 13 years of industry and academic experience focused on making AI systems faster and more cost-effective. Currently at Perplexity, he applies research-grade rigor to production engineering, translating PhD-level research from the University of Washington into deployable performance improvements. His background includes internships at Google and Microsoft and long-term graduate research that bridged theory and systems implementation. Comfortable across research labs and fast-moving product teams, he has a track record of optimizing models and pipelines for real-world constraints. An early researcher trained at Shanghai Jiao Tong University, he blends deep academic foundations with hands-on systems engineering. His public-facing security-conscious footprint (GPG key on GitHub) suggests attention to reproducibility and trustworthy collaboration.
code13 years of coding experience
job7 years of employment as a software developer
bookDoctor of Philosophy - PhD, Computer Science, Doctor of Philosophy - PhD, Computer Science at University of Washington
bookBachelor of Engineering - BE, Computer Science, Bachelor of Engineering - BE, Computer Science at 上海交通大学
languagesChinese
stackoverflow-logo

Stackoverflow

Stats
2,043reputation
749kreached
10answers
31questions
github-logo-circle

Github Skills (162)

web3py10
python10
deep-learning10
gpu10
cpp10
ecosystem10
ml10
llm-inference10
neural-network10
grpc10
data-science10
python-interface10
nvidia10
xelatex10
tensorflow10

Programming languages (13)

C#C++RustCTeXGoHTMLCuda

Github contributions (5)

github-logo-circle
punica-ai/punica

Aug 2023 - May 2024

Serving multiple LoRA finetuned LLM as one
Contributions:2 releases, 15 PRs, 72 pushes in 8 months
large-language-modelsllmlora
abcdabcd987/p2dv.in

Nov 2014 - Jan 2016

Contributions:92 commits, 4 PRs, 2 pushes in 1 year 2 months
battlegamegame-ai
Find and Hire Top DevelopersWe’ve analyzed the programming source code of over 60 million software developers on GitHub and scored them by 50,000 skills. Sign-up on Prog,AI to search for software developers.
Request Free Trial
Lequn Chen - Research Engineer at Perplexity