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sunnnn2005/README.md

Hi, I'm Shun Lu

UC Davis Data Science student building backend systems, data tools, LLM-agent workflows, and iPad-native note-taking products.

I am currently looking for AI Engineer, Software Engineer, Data Science, Data Engineering, and Data Analyst internship opportunities.

Featured Projects

Data Quality Agent

Agentic data reliability platform where an OpenAI-compatible LLM chooses profiling, quality-check, memory, and report-building tools over uploaded business CSV or read-only PostgreSQL data before producing a structured, evidence-backed answer.

  • FastAPI backend
  • pandas-based profiling and checks
  • LLM tool calling and prompt-designed JSON output
  • Business CSV upload with owner, primary-key, and schema context
  • Read-only PostgreSQL demo path for realistic business tables
  • Redaction, retries, timeout handling, cost estimation, and deterministic guardrails
  • LLM output evaluation against deterministic findings and evidence references
  • Docker, GHCR container publishing, GitHub Pages demo, and GitHub Actions CI

Public evidence:

Repo: https://github.com/sunnnn2005/data-quality-agent

Yizhi Xinyi

Native iPad note-taking app that turns handwritten headings into a navigable table of contents for student lecture notes.

  • SwiftUI
  • PencilKit
  • Vision OCR
  • Multi-page handwritten notes
  • Folder-based organization

Repo: https://github.com/sunnnn2005/smart-handwritten-note-taking-app

Tech Stack

  • Languages: Python, SQL, R, Swift
  • Data: pandas, NumPy, matplotlib, seaborn, regression analysis
  • AI: LLM tool calling, OpenAI-compatible APIs, prompt design, structured JSON output, LLM evaluation
  • Backend: FastAPI, Pydantic, REST APIs
  • Tools: Docker, GitHub Actions, Git, GitHub
  • iPadOS: SwiftUI, PencilKit, Vision OCR

Links

Popular repositories Loading

  1. smart-handwritten-note-taking-app smart-handwritten-note-taking-app Public

    iPad note-taking app concept with PencilKit, Vision OCR, and automatic handwritten table of contents.

    Swift 1

  2. system-monitoring-alerting-platform system-monitoring-alerting-platform Public

    Observability platform with Node.js, Prometheus, Grafana, Alertmanager, and Slack alerts.

    JavaScript

  3. intelligent-financial-analytics-platform intelligent-financial-analytics-platform Public

    FastAPI personal finance analytics backend with transaction cleaning, category summaries, and anomaly detection.

    Python

  4. NokaMan NokaMan Public

    Forked from mergeos-bounties/NokaMan

    NokaMan: multi-language learning ability assessment (CEFR writing samples)

    Python

  5. agent-playground agent-playground Public

    Forked from xevrion-v2/agent-playground

    TypeScript

  6. claude-builders-bounty claude-builders-bounty Public

    Forked from claude-builders-bounty/claude-builders-bounty

    A community bounty board for Claude Code builders — post tasks, claim rewards, build together.