Chaejun Lee: Email & Phone Number

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Software Engineer Intern at Citadel Securities|South Korea, Republic of Korea

Position:

Software Engineer Intern at Citadel Securities

Location:

South Korea, Republic of Korea

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Last updated: 2026-09-11

Updated: 2026-09-11

Found email addresses for Chaejun Lee:

Business emails:

c**e@hudson-trading.com

Personal emails:

j***y@kaist.ac.kr

Found phone for Chaejun Lee:

+82-***-***-2603

A different Chaejun Lee?

Work Experience 5 years

Software Engineer Intern at Citadel Securities

Sep 2026 - Current

Core Developer Intern at Hudson River Trading

May 2026 - Aug 2026

Sergeant at Ministry of National Defense, Republic of Korea

Sep 2024 - Mar 2026

Jane Street SEE at Jane Street

Oct 2025 - Oct 2025

Research Intern at 한국과학기술원(KAIST)

Mar 2024 - Aug 2024

AI Research / Software Engineer Intern at NCSOFT West

Sep 2023 - Feb 2024

Teaching Assistant at IOI (International Olympiad in Informatics) Training Camp

Aug 2023 - Aug 2023

Teaching Assistant at 한국과학기술원(KAIST)

Feb 2023 - Jun 2023

Teaching Assistant at Samsung Electronics

Jul 2021 - Aug 2021

Chaejun Lee started working in 2021, then the employee has changed 7 companies and 6 jobs. On average, Chaejun Lee works for one company for 4 months.

Their professional focus is Algorithm, C++, and Data Structure across 3 core areas.

Chaejun holds ICPC certifications and has been awarded 2023 ICPC Asia Seoul Regional Contest, 2023 ICPC Asia Korea National First Round Programming Contest, and 2022 ICPC Asia Seoul Regional Contest

Education

학사 at 한국과학기술원(KAIST)

High School Diploma at 경기북과학고등학교 (Gyeonggibuk Science High School)

Frequently Asked Questions

What is Chaejun Lee's email address?

SignalHire found verified email addresses for Chaejun Lee, both business and personal. Their business email is c**e@hudson-trading.com, and personal emails include j***y@kaist.ac.kr.

What is Chaejun Lee's phone number?

SignalHire found a verified phone number for Chaejun Lee: +82-***-***-2603.

How do I contact Chaejun Lee at Citadel Securities?

You can reach Chaejun Lee through SignalHire by unlocking their verified email and direct phone number (free signup, no credit card needed). SignalHire is the fastest route if you need their contact details immediately.

What is Chaejun Lee's professional background?

Chaejun Lee has 5 years of professional experience. They have held roles including Core Developer Intern, Sergeant, and Jane Street SEE at companies such as Hudson River Trading, Ministry of National Defense, Republic of Korea, and Jane Street. Their education includes 학사 from 한국과학기술원(KAIST), and High School Diploma from 경기북과학고등학교 (Gyeonggibuk Science High School).

Is Chaejun Lee's contact information up to date?

Yes. Chaejun Lee's SignalHire profile was last updated on 11 September 2026, reflecting their current position as Software Engineer Intern at Citadel Securities in Miami, Florida, United States.

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