Junsu Park

Consultant

London, England, United Kingdom4 yrs 7 mos experience

Key Highlights

Expert in quantitative finance and derivatives trading.
Strong programming skills in Python and statistical analysis.
Summa Cum Laude graduate with dual degrees in Economics and Financial Math.

Stackforce AI infers this person is a Fintech professional specializing in quantitative analysis and derivatives trading.

Contact

Skills

Core Skills

FinanceDerivatives

Other Skills

FrenchMachine LearningMathematicsMicrosoft ExcelPython (Programming Language)RSaxophoneStatistics

About

My GitHub: https://github.com/junsu489 Topics of Interest: 1. Estimation/prediction of realized variance, skewness, and kurtosis 2. Option premium and volatility smile decomposition 3. Options portfolio optimization

Experience

Citadel securities

Quantitative Researcher

Oct 2025 – Present · 5 mos · London Area, United Kingdom · On-site

DerivativesFinanceMathematicsPython (Programming Language)Statistics

Non-compete agreement

Non-Compete

Nov 2024 – Sep 2025 · 10 mos · South Korea · On-site

Working on fun projects until October 2025

Python (Programming Language)StatisticsMathematicsDerivativesFinanceSaxophone+1

Optiver

3 roles

Quantitative Researcher

Feb 2024 – Oct 2024 · 8 mos · On-site

Quantitative Volatility Strategies

Python (Programming Language)StatisticsMathematicsDerivativesFinance

Quantitative Researcher

Feb 2023 – Feb 2024 · 1 yr · On-site

Index Options Statistical Arbitrage

Python (Programming Language)StatisticsMathematicsDerivativesFinance

Quantitative Trader Intern

Jul 2022 – Aug 2022 · 1 mo · Amsterdam, North Holland, Netherlands · On-site

• Volatility derivatives pricing & trading

Python (Programming Language)StatisticsMathematicsDerivativesFinance

Capital investments at berkeley

Quant

Feb 2022 – May 2022 · 3 mos · Berkeley, California, United States · On-site

Finance

Goldman sachs

Equity Derivatives Sales Off-Cycle Intern

Aug 2021 – Nov 2021 · 3 mos · Seoul, South Korea · On-site

Delivered presentations to traders, structurers, and salespeople on the topic of systematic trading strategies (STS) and FX-hedged indices.
Developed and produced materials in response to client inquiries about STS and tactical trading concepts.
Employed Python programming to analyze and visualize equity derivatives market data and internal data for traders and salespeople.
Restructured the team's trade log to streamline data management and analysis processes.

Python (Programming Language)Microsoft ExcelDerivativesFinance

Alpha273

Quantitative Trading Intern

Feb 2021 – May 2021 · 3 mos · Seoul, South Korea · On-site

Developed quantitative trading strategies in the cryptocurrency options market by applying statistical and mathematical models to historical data.
Conducted data collection for multiple cryptocurrency exchanges, including Deribit and FTX, by utilizing REST APIs to accumulate large datasets for analysis and modeling.

Python (Programming Language)DerivativesRFinance

Korea defence intelligence command

Military Interpreter

Sep 2017 – May 2019 · 1 yr 8 mos · South Korea · On-site

Contributed to the success of various projects and operations by conducting numerous translations and analyses of diverse military and non-military documents, publications, periodicals, and articles.
Served as a squad leader for a period of four months, where I worked collaboratively with my team members.