Skip to content
View tvay11's full-sized avatar
1 follower · 0 following

Achievements

Achievement: Pair ExtraordinaireAchievement: Pull SharkAchievement: Quickdraw

Achievements

Achievement: Pair ExtraordinaireAchievement: Pull SharkAchievement: Quickdraw

Block or report tvay11

Block user

Prevent this user from interacting with your repositories and sending you notifications. Learn more about blocking users.

You must be logged in to block users.

Maximum 250 characters. Please don’t include any personal information such as legal names or email addresses. Markdown is supported. This note will only be visible to you.
Report abuse

Contact GitHub support about this user’s behavior. Learn more about reporting abuse.

Report abuse
tvay11/README.md

Thang Vay

Data Analyst & Data Engineer | thangvay.com

About Me

I am a data professional with a Bachelor of Science in Computer Science from Saint Louis University (GPA: 3.7/4.0) and a strong focus on data analytics, business intelligence, and data engineering. My work centers on building efficient data pipelines, optimizing SQL queries for performance, automating business reporting, and creating actionable data visualizations. I combine technical depth in programming and database systems with a practical approach to solving business problems through data.

Quantified Achievements

  • Pennymac Reduced portfolio risk by $70M by auditing 4,500+ loan records and automating validation queries in Snowflake.
  • Freelance Data Engineer Architected Python ETL pipelines that increased client revenue by 26%.
  • Hussmann Resolved 25,000+ data discrepancies and eliminated 20 hours of manual work per month by automating Alteryx data streams.
  • RGA Built a Python ETL pipeline for daily ingestion of 500+ records, ensuring reliable data flow for downstream analytics.

Technical Toolbox

Programming Languages

  • Python, SQL, R, JavaScript, TypeScript, Java, C++

Databases

  • Snowflake, PostgreSQL, AWS RDS, Cloudflare D1

Tools & BI

  • Power BI, Tableau, Alteryx, Sigma, Git, Agile/Scrum

Featured Projects

Kronos Backtest Calibration Sweep

  • Technologies: Python, Pandas, NumPy, Matplotlib, Seaborn, Jupyter, Kaggle
  • Description: A walk-forward backtest calibration sweep analyzing forecast uncertainty for NVDA, AAPL, and SPY.
  • Key Highlight: Calibrates forecast confidence bands (p10/p90) across multiple temperatures (0.6, 0.9, 1.2) to target an 80% coverage probability.

trafficSTL

  • Technologies: Python, Pandas, Matplotlib, Seaborn, Folium, REST APIs
  • Description: An automated data ingestion and analysis pipeline mapping traffic flow in the St. Louis metropolitan area.
  • Key Highlight: Builds geospatial hotspot visualizations and statistical anomaly detection charts from raw traffic sensor data.

SpareKeys

  • Technologies: C++, Makefile, Cryptography
  • Description: A secure, modular command-line password manager utility.
  • Key Highlight: Focuses on secure encryption standards, modular class architecture, and robust local credential storage.

Connect

Popular repositories Loading

  1. SpareKeys SpareKeys Public

    A secure, offline-first command line password manager utility focusing on local encryption standards.

    Makefile 1

  2. trafficSTL trafficSTL Public

    Automated traffic flow data ingestion and analysis pipeline for the St. Louis metropolitan area with geospatial visualizations.

    Python 1

  3. SkyWatch SkyWatch Public

    A personal portfolio project for monitoring and visualizing atmospheric and sky conditions.

    Python 1

  4. budgetplanner budgetplanner Public

    A lightweight, terminal-based personal finance manager in C to track income, expenses, and savings.

    C 1

  5. PixelPuzzle PixelPuzzle Public

    An interactive canvas-based pixel arrangement puzzle game using JavaScript.

    Makefile 1

  6. HelloWorld HelloWorld Public

    A clean, minimal demonstration of core algorithmic structures in JavaScript.

    JavaScript 1