Simplex Trading

Proprietary market making and trading technology for financial markets

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Highlights

  • New on EvolcAdded 2026-11-13

About Simplex Trading

Simplex Trading is a proprietary market-making firm that builds software and develops trading strategies for financial markets. It also makes strategic investments in early-stage financial and technology startups.

The firm combines technologists and data-driven traders to optimize strategies, pricing and research tools. It was founded in Chicago in 2004 and hires for trading, software, infrastructure and FPGA engineering roles in Chicago.

Product: Proprietary market-making, trading strategies and trading software, with strategic investments in early-stage financial and technology startups.

Jobs at Simplex Trading

No open positions listed right now.

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Website technologies

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Frontend frameworks

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Recruiting

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Website detection does not establish a paid subscription or company-wide use. Tools loaded after consent or sign-in may be missed. “No longer observed” does not prove the company stopped using a tool.