RCPark Maintenance Crew Member

Sophomore at Virginia Tech building practical experience

I combine classroom learning with hands-on work experience as I explore career paths and grow my skill set.

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Work samples

A collection of coursework and practical work that shows what I can do now and how I'm developing professionally.

  • Personal Finance & Investment Analytics Platform
    Personal Finance & Investment Analytics Platform

    Built a platform that consolidates bank and brokerage data from 3 institutions (Chase, Capital One, Fidelity) into one view of spending, cash flow, and net worth, replacing manual tracking across separate apps Designed the reporting data model (5 fact tables, 8 dimensions) and automated the cleaning and reconciliation of multi-source records, preventing duplicates across repeat syncs and validating results with 322 automated data-quality checks Developed an equity research scorecard that rates public companies on 4 dimensions using SEC filings (10-K, proxy statements), with adjustments for stock splits and distorted ratios so company comparisons stay reliable Evaluated competing tools (e.g., Dagster vs. Airflow) and documented the tradeoffs and rationale behind each design decision in a public project write-up

About me

I combine classroom learning with hands-on work experience as I explore career paths and grow my skill set.

I'm Ryan Choi, a sophomore at Virginia Tech working toward a bachelor's degree. I have some practical work experience and I'm building a clearer career direction while expanding my skills and projects.

Experience

Park Maintenance Crew Member

Wheaton Park District · May 2026 Present

Camp Counselor

Glen Ellyn Park District · May 2024 August 2024

Education

Virginia Tech

B.S. in Business Information Technology, Decision Support Systems Concentration · Class of 2029

Skills

Practical work experienceCoursework-driven learningProject exploration
Back to work

Personal Finance & Investment Analytics Platform

Built a platform that consolidates bank and brokerage data from 3 institutions (Chase, Capital One, Fidelity) into one view of spending, cash flow, and net worth, replacing manual tracking across separate apps Designed the reporting data model (5 fact tables, 8 dimensions) and automated the cleaning and reconciliation of multi-source records, preventing duplicates across repeat syncs and validating results with 322 automated data-quality checks Developed an equity research scorecard that rates public companies on 4 dimensions using SEC filings (10-K, proxy statements), with adjustments for stock splits and distorted ratios so company comparisons stay reliable Evaluated competing tools (e.g., Dagster vs. Airflow) and documented the tradeoffs and rationale behind each design decision in a public project write-up

View all work