Projects
Built to demonstrate the customer-facing engineering work of a Forward Deployed Engineer.
All
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AI Tutor MVP for High-School Physics
An education-focused chatbot that walks students through high-school physics problems with Socratic prompting, concept breakdown, and misconception surfacing. Built end-to-end as the FDE capstone deliverable.
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FDE Journey Blog (this site)
A quiet, content-first blog built on Astro 5 + Tailwind + MDX + Shiki, with content collections for blog posts, projects, and the 6-month journey. Deployed on Vercel at jiajiewu.top.
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Prompt Eval Harness
A small eval harness for grading LLM prompts against a fixed test set. Compares prompt revisions, tracks regressions, and renders a side-by-side diff of outputs. Built to iterate on the AI tutor prompt pipeline.