JEHO CHUN
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