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University of Washington · Informatics

Da Wei

I am an Informatics undergraduate focused on AI systems, LLM agents, benchmark and evaluation, multimodal reasoning, and AI-assisted software workflows.

School University of Washington
Location
Seattle, WA Shenzhen, China
Major Informatics

Research Interests

Current Focus

AI systems LLM agents Benchmark and evaluation Multimodal reasoning Human-centered AI AI-assisted software Workflow automation

Research and Project Experience

Selected Work

Dec 2025 - Present Project Maintainer

Wordplay - Open-Source Educational Programming Language and IDE

Contribute to Wordplay, an open-source educational programming language, IDE, and platform for accessible interactive typography at the University of Washington with Professor Amy J. Ko.

Propose product and usability improvements, translate improvement ideas into maintainable implementation work, and help keep the project usable for learners.

Mar 2025 - Jun 2025 Group Leader

Global Social Media Sentiment and Addiction Study

Led a class research project analyzing global social media sentiment and screen-time-related indicators.

Processed approximately 1,000 social media text entries using R and tidyverse, then conducted correlation analysis between screen-time indicators and negative sentiment across regions.

Oct 2025 - Present Developer and Maintainer

Yucheng New Material Company Portal and Custom ERP System

Built and continue to maintain a multilingual company portal for a synthetic leather materials business.

Built a custom ERP system designed to support hundreds of users across business operations, focusing on data structure, workflow design, interface usability, and maintainability.

Jan 2026 - Mar 2026 SEO Department Intern

Shanghai APOBAI - SEO Automation System

Built an AI-assisted automated SEO workflow during a three-month internship. Improved team efficiency by approximately 50% and increased SEO organic traffic by approximately 10%.

Technical Skills

Tools I Use

Programming

Java, Python, full-stack web development, ERP and workflow system development.

Data and Analysis

R, tidyverse, ggplot2, data wrangling, visualization, statistical inference, reproducible analysis.

Math and Reasoning

Multivariable calculus, linear algebra, statistical reasoning, correlation analysis.

Outreach and Leadership

Public Communication

Xiao Wang Xuezhang - Education Account and Knowledge Base

Founder and content creator focused on undergraduate application experience and study-abroad life sharing. Grew the account to approximately 5,000 followers on WeChat Channels while communicating complex application and university-life topics to a broad student audience.

Visit xiaowangxuezhang.com/about

Contact

Open to research collaboration, RA opportunities, and AI evaluation work.