Building2026
Proofline
一个只读的个人主页、博客、作品集与研究入口。
#Next.js#TypeScript#Markdown
Dongjun Hao
Engineer · Researcher · Builder
Building AI systems, developer tools, and durable personal knowledge infrastructure.
→Currently: AI systems + developer tooling
DH
Open to collaboration
China
Featured Projects
All projects →Research / Papers
Research →Directions
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AI Systems
LLM applications, retrieval, evaluation, inference, and the infrastructure around useful AI products.
⌘
Developer Tooling
Tools that compress feedback loops for writing, reviewing, testing, and shipping software.
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Personal Knowledge
Durable notes, public writing, and systems for turning experiments into reusable memory.
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Product Prototypes
Small complete products where design, implementation, and deployment meet.
Materials
Add Markdown files under content/papers or tag posts with research-related tags to populate this section.
#research#papers#experiments
Featured Writing
All writing →Latest Updates
Archive →About
I write about engineering decisions, build small but complete products, and keep a public trail of projects, notes, and research materials.