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Senior Index Trader in Franklin Park, Illinois

Job in Franklin Park, Cook County, Illinois, 60131, USA
Listing for: Fionics
Full Time position
Listed on 2026-07-03
Job specializations:
  • Finance & Banking
Job Description & How to Apply Below
Position: Senior Index Options Trader          at Fionics        in        Franklin Park,        Illinois

Senior Index Trader - SPX Options Market Making

Chicago, IL | Full-time | On-site Hiring for a fast-growing electronic options market maker in Chicago. Small team, flat structure, real P&L ownership from day one.

The Role

Manage pricing and positions for the SPX index options book. Design and optimize systematic options strategies using quant research and ML. Build algorithmic models from ideation to production. Analyze microstructure and execution quality to generate alpha.

You
  • 3+ years trading index options at a market making firm
  • Proven track record managing an options book
  • Strong quantitative and analytical skills
  • Degree in CS, maths, engineering, physics, finance, or related
  • Python a plus
Why Here
  • Direct access to founders from day one
  • Proprietary low-latency systems built in-house
  • Real P&L impact within your first year
  • Chicago-based, strong trading community

All applications confidential

Position Requirements
10+ Years work experience
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