JEHO CHUN

Mathematics @ Columbia University in New York, NY

jehochun6543@gmail.com

About

With a strong foundation in Mathematics from Columbia University and proven expertise in programming and data analysis, I thrive at the intersection of analytical rigor and innovative problem-solving. My experience spans impactful projects such as optimizing backend systems to reduce costs by 50% and achieving a 25.43% return through data-driven investment strategies. Recognized with the First Prize at the Korea Computer Congress and as a co-author of a published security system design, I consistently deliver results through both technical proficiency and creative thinking. Looking ahead, I am eager to leverage my interdisciplinary skill set to drive technological advancements that create meaningful, scalable impact.

Education

Columbia University

New York, NY, USA

Mathematics

Jan. 2025 - Apr. 2028

Bachelor of Arts in Mathematics

Skills

Programming Languages

  • Proficient in C, JavaScript, Python, and SQL

Languages

  • Korean (Native)
  • English (Professional working proficiency)

Awards

First Prize, Junior Section, Korea Computer Congress 2019

South Korea

  • Awarded First Prize in the Junior Section at the 2019 Korea Computer Congress

Jun. 2019

Projects

Knock Knock

Back-End Developer

Mar. 2023 - Feb. 2025

  • Developed a Next.js-based inquiry popup interface, reducing submission steps by 85% compared to Google Forms.
  • Designed and implemented a domain ownership verification system utilizing DNS lookup.
  • Migrated NestJS backend infrastructure from AWS EC2 to Vercel and separated the database, resulting in a 50% reduction in monthly costs while maintaining performance.

Reddit Stock Investment

Data Analyst

Mar. 2025 - May. 2025

  • Achieved a 25.43% return by analyzing the correlation between financial statements and stock prices.
  • Minimized potential losses by implementing a scale-in buying strategy and modeling entry/exit prices based on market lows and current prices.

Publications

Co-author: Dae Won Park
Conference Proceedings, Korean Institute of Information Scientists and Engineers

Contacts

Email

jehochun6543@gmail.com

LinkedIn

jeho-chun-141319279