Zachary Berg — Portfolio

Hi — I'm Zach

I'm a student at Colby College studying Computer Science and Statistics.

I enjoy reading and spending time in nature. I have selected some photographs from a recent trip to the Coastal Maine Botanical Gardens to share with you.

Zachary Berg — headshot

Selected Projects

MERN Chat App

This is a simple web app in the MERN stack that I built to learn about frontend development.

HTML • CSS • JavaScript
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TA Hours

I built this project in a team of 3 to help the Computer Science department at my school better manage teaching assitant hours.

MongoDB • React • GoFiber
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Work Experience

Business Analyst Intern

Carmax Auto Finance
Atlanta, GA
June - August 2025

  • Refined fraud detection system to target 50% of prior applications while still addressing 90% of problematic cases, using Excel and SQL data processing. Projected monthly profits increased by at least $200k.
  • Developed concise, persuasive presentations on business analytics for high-ranking executives, informing decisions on future operations.

Software Engineering Intern

Lion King Adventures
Arusha, Tanzania (Remote)
January 2025

  • Streamlined hotel and room information access, saving 1–5 hours weekly for each sales team member, via MERN stack database.
  • Organized hundreds of hotels and thousands of rooms in MongoDB to optimize sales workflow.
  • Rapidly deployed multi-container web app on Linode server using Docker Compose and Git, minimizing server costs.
  • Led client meetings and a team of 3 to incorporate feedback, developing a product tailored to employer needs.

Student Teaching Assistant

Colby Computer Science Department
Waterville, ME
February 2024 - Present

  • Assisted 20+ students per shift with computer science projects, homework, and concepts.
  • Mentored students in Java, Python, VHDL, debugging, and programming fundamentals.
  • Taught topics including bash, binary arithmetic, circuit design, error interpretation, and machine learning.