Simplex Trading LLC · 1 month ago
Algorithmic Trader
Simplex Trading is a leading, technology-driven proprietary market-making firm based in Chicago. They are seeking an Algorithmic Trader to leverage advanced quantitative techniques for building and maintaining models that support risk management and trading strategies.
FinanceFinancial ServicesMarketingTrading Platform
Responsibilities
Leverage advanced quantitative techniques to build, refine, and maintain models that support risk management, pricing, and trading strategies
Develop models to replicate stress haircut calculations and deliver Python prototypes
Price options under a variety of stress scenarios and forecast expected profit or loss
Create, roll out, and maintain models capturing vol-spot relationships, forecast interest rate future prices, and design algorithms to combine multiple underlying price forecasts
Enhance volatility modeling through experimental research
Conduct A/B testing to refine trading parameters, analyze market data to identify underexplored trade opportunities
Qualification
Required
Bachelor's degree (or foreign equivalent) in Finance, Mathematical Finance, Mathematics, Statistics, or a related field
Must have passed Series 57 exam
Must possess at least two (2) years of experience in any occupational title involving working with option theory and pricing
Must possess at least two (2) years of experience with the following: performing volatility modeling and fitting including with surface dynamics and vol-spot dynamics; working with option theory and pricing including derivatives pricing and futures/futures spreads; working with mathematical concepts such as calculus, linear algebra, and statistics; working with Statistical methods in performing hypothesis testing and designing experiments; working with finite difference methods and error function measurements for numerical analysis; conducting data analysis and market microstructure research; reading and interpreting finance journals; and working with programming tools including Python, SQL, Unix, and Linux
Benefits
Excellent a la carte Medical/Dental/Vision (free employee coverage!)
401(k) match
Generous parental leave
Daily stipends for breakfast and lunch
Tuition Reimbursement
Employee Discounts
Charity Match
Fun Events
Company
Simplex Trading LLC
As a leading, technology-driven, proprietary market-making firm, we work with the most advanced technology and software in the market.
Funding
Current Stage
Growth StageRecent News
2026-01-06
2025-10-23
2025-10-23
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