Simplex Trading

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Chicago, Illinois, USA
131 Total Employees
Year Founded: 2004
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Articles about Simplex Trading

Featured Articles

Dennis Kerlin, Simplex Trading CCO. | Photo: Simplex Trading
Ashley Bowden Ashley Bowden
Published on October 22, 2025

Simplex Trading Appoints New Chief Compliance Officer

Dennis Kerlin joins the firm with over two decades of options trading experience.

Alyssa Schroer Alyssa Schroer
Updated on January 09, 2026

109 Chicago Software Companies You Should Know

These are the top software companies that are helping make Chicago a thriving hub for tech.

Image: Shutterstock
Matthew Urwin Matthew Urwin
Updated on January 23, 2026

76 Companies in Chicago Pushing the City to New Heights

Check out this list of the top companies making Chicago a vibrant tech hub.

Image: Shutterstock

All Articles

Ashley Bowden Ashley Bowden
Updated on October 22, 2025

Simplex Trading Appoints New Chief Compliance Officer

Dennis Kerlin joins the firm with over two decades of options trading experience.

Dennis Kerlin, Simplex Trading CCO. | Photo: Simplex Trading
Alyssa Schroer Alyssa Schroer
Updated on January 09, 2026

109 Chicago Software Companies You Should Know

These are the top software companies that are helping make Chicago a thriving hub for tech.

Image: Shutterstock
Matthew Urwin Matthew Urwin
Updated on January 23, 2026

76 Companies in Chicago Pushing the City to New Heights

Check out this list of the top companies making Chicago a vibrant tech hub.

Image: Shutterstock
Alyssa Schroer Alyssa Schroer
Updated on December 10, 2025

Making Trades: 19 Trading Firms and Technology Companies Changing the Industry

From market makers to quant shops, these Chicago firms rely on software, automation and analytics to compete across futures, options, ETFs and crypto.

​ Image: Shutterstock ​

Recently posted jobs

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Simplex Trading

Strategy and Operations Manager

2 Days AgoSaved
In-Office
Chicago, IL, USA
Fintech • Software
Manage firm-wide initiatives to enhance operational efficiency and performance reporting, collaborating with leadership to drive key initiatives and improve processes.
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Simplex Trading

Software Engineer

10 Days AgoSaved
In-Office
Chicago, IL, USA
Fintech • Software
Design and maintain efficient C++ code for a high-speed trading system, including algorithm development and data analysis.
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Simplex Trading

FPGA Engineer

20 Days AgoSaved
In-Office
Chicago, IL, USA
Fintech • Software
The FPGA Engineer will design FPGA logic for trading, analyze results, and work on developing low-latency applications and timing closure.
see all jobs at Simplex Trading