Jason Liu

Earth, Texas, United States

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Summary

🤩

Rockstar

Jason Liu is a machine learning and systems engineer with nine years of experience building production ML products, developer tooling, and architecture at companies ranging from Stitch Fix to OpenAI. He pioneered vector-based product similarity search and LLM-driven workflows at Stitch Fix that drove tens of millions in annual revenue, and now focuses on retrieval-augmented generation, prompt engineering, embedding fine-tuning, and MLOps observability. A prolific open-source contributor and Chromium committer, Jason has made impactful edits across high-profile projects like Deno, Node.js, and SWC, evidencing deep full‑stack and runtime expertise. He advises startups as an angel investor and founder of a consulting/cohort business that helps teams prioritize experiments and operationalize LLM products. Based in New York, he blends hands-on engineering with product strategy and technical recruiting vetting for early-stage AI efforts.

9 years of coding experience

Github Skills (43)

kotlin10

parserator10

deno10

javascript10

parser10

swc10

runtimes10

architecture10

testing10

css10

typescript10

nextjs10

language-server-protocol10

vscode-extension10

system10

Programming languages (25)

C#CCMakeGoHTMLTypeScriptShellLLVM

Github contributions (5)

prompt-engineering/click-prompt

Mar 2023 - Mar 2023

ClickPrompt - Streamline your prompt design, with ClickPrompt, you can easily view, share, and run these prompts with just one click. ClickPrompt 用于一键轻松查看、分享和执行您的 Prompt。

Role in this project:

Front-end Developer

Contributions:21 reviews, 283 commits, 36 PRs in 14 days

Contributions summary:Jason primarily fixed typos and made minor UI adjustments, indicating a focus on improving the existing front-end code. These changes include modifications to the home page and global styling. The commits suggest the user is contributing to the UI elements of the project.

chatgptgithub-copilotprompt-engineeringprompt-generatorprompt-tuning

denoland/vscode_deno

Sep 2020 - Sep 2020

Visual Studio Code plugin for Deno

Role in this project:

Full-stack Developer

Contributions:15 reviews, 9 commits, 25 PRs in 26 days

Contributions summary:Jason focused on enhancing the Deno-based VS Code plugin. Their work included implementing IntelliSense features for importing modules from `std` and `deno.land/x`, moving import enhancement functionality to the server-side, and introducing a command to initialize project settings. They also addressed bugs related to linting and module fetching within the plugin. Finally, they added debug configuration for the plugin.

visual-studio-codevscodevscode-extensiondenotypescript

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