Simplex Trading

HQ
Chicago
120 Total Employees
51 Product + Tech Employees
Year Founded: 2004

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 April 24, 2026

111 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 May 28, 2026

81 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

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 ​
7 Days 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.
8 Days 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.
10 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.