A.J. Hafele
CFA, FRM, CAIA, CPA
Senior Data Engineer
Bio
Finance professional with 15 years of experience building scalable, automated solutions for some of the most prestigious institutions in the world. I continue to grow as a recognized leader amongst my peers, honing a multidisciplinary skill set covering engineering, finance, and project management, and serving as a mentor to fellow colleagues. I am currently focused on agent-driven engineering at work and during my personal time.
Experience
- Serve as the technical systems lead for the Cloud Learning Services (CLS) Data team
- Architected a new enterprise-grade data warehouse for CLS
- Building an AI-first data platform, including a skill catalog, wiki, and autonomous agents
- Serve as a mentor in Google's SQL Readability Program
- Leading a team of extended workforce engineers to deliver results
Skills
AI Coding Tools
- Claude Code
- Codex
- Antigravity
- IDE-Based Tooling (Cursor, VS Code)
Certifications
Visualization
- Tableau
- Power BI
- Looker
- Looker Studio
- Custom-Built Interactive Charts
Platforms
- Clerk
- WorkOS
- Stripe
- Google Cloud
- Neon
- SAP
- Vercel
- Bloomberg
- Plx (Internal to Google)
Finance
- Financial Accounting
- Financial Modeling
- Financial Planning & Analysis
Languages
- SQL
- Python
Education
Harvard University Extension School
Undergraduate Computer Science Studies
January 2021 – Present
- Completed CS50 (Intensive Intro to CS) for full undergraduate credit
- Completed MATH16 (Calculus 2) for full undergraduate credit
University of North Carolina at Chapel Hill
Master of Accounting
August 2009 – June 2010
University of North Carolina at Chapel Hill
BSBA, Finance Concentration
August 2005 – June 2009
- Dean's List, all semesters
- Graduate with Highest Distinction
- Top 10% of graduating class
Projects & Teaching
- Platform that makes finance understandable, useful, and open to everyone
- Publishes company deep dives, economic analysis, market news, and plain-language explainers
- Built from scratch using Claude and Codex, using Next.js, TypeScript and Google Cloud
- AI-native app that helps consumers find coffees from roasters around the world
- Backend processes are automated using AI agents
- Allows users to bookmark and review coffees, roasters, and coffee gear
- Built with Claude Code, Codex, and Antigravity in 4 months
- Created a full-length online Microsoft Excel course in 9 months
- The course was NASBA accredited and provided 40 hours of CPE credits for CPAs
- Maintained all technical, operational, and administrative duties (no employees)
Teaching Assistantships
Teaching Assistant, Accounting and Financial Analysis II (MBA)
University of Chicago / 2014
Teaching Assistant, Financial Accounting (Undergraduate)
University of North Carolina at Chapel Hill / 2010
Teaching Assistant, Business Computing (Masters of Accounting)
University of North Carolina at Chapel Hill / 2008