My Work

Portfolio spanning federal financial management, data science, AI/ML research, and full-stack engineering.

Federal Finance

2 projects
Federal Finance
2024

Budget Matter β€” Federal Budget Analysis Tool

Interactive visualization and analysis platform for federal budget data, OMB submissions, and DoD financial reporting. Built to demonstrate federal financial management expertise.

PythonPandasTableauPostgreSQLD3.js
Federal Finance
2023

FIAR Audit Readiness Dashboard

Real-time dashboard tracking Financial Improvement and Audit Readiness (FIAR) metrics, control deficiencies, and corrective action plans for DoD financial statements.

PythonDashPlotlyPostgreSQL

Data Science

2 projects
Data Science Featured
2024

DoD Budget Execution Forecasting Model

Time series forecasting model using Prophet and ARIMA to predict federal budget execution rates and identify obligation patterns across appropriation accounts.

PythonProphetARIMAPandasscikit-learn
Data Science
2024

IBM Data Science Professional Certificate

End-to-end data science pipeline including data wrangling, EDA, machine learning, and visualization. Applied to federal financial dataset analysis.

PythonScikit-learnPandasNumPyMatplotlibJupyter

AI & ML

3 projects
AI & ML Featured
2026

ML AI Knowledge Hub (mlaithing.vercel.app)

Comprehensive machine learning reference with 8+ algorithms (Logistic Regression, SVM, Random Forest, SGD, KNN, Naive Bayes, K-Means, GMM), complete evaluation metrics guide, clustering techniques, and production AI agents framework with ReAct pattern. Real-world DoD/federal use cases throughout.

Next.js 15TypeScriptGemini 2.5ML AlgorithmsTailwind CSSReact 19
AI & ML Featured
2025

Google/Kaggle AI Agents Intensive β€” Capstone

Multi-day intensive on agentic AI systems including function calling, tool use, RAG architectures, and agent orchestration. Completed Nov 2025 with Kaggle certification.

PythonGemini APILangChainRAGFunction Calling
AI & ML
2024

Federal Policy NLP Analyzer

NLP pipeline to extract key requirements, deadlines, and metrics from OMB circulars and DoD financial management regulations. Uses transformer models.

PythonHuggingFacespaCyBERTFastAPI

Full Stack

2 projects
Full Stack Featured
2025

AI-Powered Portfolio (petershang.vercel.app)

Full-stack portfolio with agentic Gemini 2.5 AI assistant using Google Search grounding, PostgreSQL, Gmail SMTP notifications, and dark/light theme. Built with Next.js 15, React 19, TypeScript.

Next.js 15React 19TypeScriptPostgreSQLGemini 2.5PrismaNodemailer
Full Stack Featured
2026

MyThing β€” Personal Knowledge Platform (shangthing.vercel.app)

Personal digital garden and knowledge management system with private notes, AI summarization, tech trend aggregation, and federal finance knowledge base.

Next.js 15React 19TypeScriptPostgreSQLNextAuthGemini 2.5

More on GitHub

29+ repositories β€” open source tools, experiments, and scripts

View GitHub

Peter's AI Agents

Portfolio Β· Tech Β· DoD Policy Β· Notes

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Agent Hub

Hi! I have 4 specialized agents β€” Portfolio πŸ’Ό, Tech Trends πŸ“‘, DoD Policy πŸ›οΈ, and Notes πŸ“. I'll automatically route your question to the right one. What would you like to know?