Simplex Trading

HQ
Chicago
120 Total Employees
Year Founded: 2004

Articles about Simplex Trading

Featured Articles

Dennis Kerlin, Simplex Trading CCO. | Photo: Simplex Trading
Ashley Brownridge Ashley Brownridge
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 July 10, 2026

107 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 September 18, 2026

71 Major Companies in Chicago to Know

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

Image: Shutterstock

All Articles

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 ​
One Month AgoSaved
In-Office
Chicago, IL, USA
Fintech • Software
As an Infrastructure Engineer, you will develop and maintain systems, triage issues, and manage Linux environments, working both independently and as part of a team.
One Month AgoSaved
In-Office
Chicago, IL, USA
Fintech • Software
As a Volatility Trader, you will identify market opportunities, manage positions, collaborate with teams on pricing systems, and improve risk management tools.
One Month 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.