Companies Simplex Trading

Simplex Trading

Chicago

120 Total Employees

51 Product + Tech Employees

Year Founded: 2004

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Engineering 3 Finance 1

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What's It Like to Work at Simplex Trading?

Updated on October 06, 2026

Simplex Trading Employee Reviews

Simplex is the perfect fit because of its streamlined, tech-first culture. I get to focus on what matters most without jumping through hoops.

Jonathan

Nothing ever feels stagnant here, and the freedom to explore and tackle new challenges as I see fit keeps me engaged each day.

Joe

Simplex has a great vibe: incredibly intelligent people solving some of the market's most complex issues in a collaborative environment. I also love the top tier office space!

Ben

I have a lot of free space to solve problems and devise solutions in a way that aligns with my own style and perspective

Paul

As a developer at Simplex, I get to dedicate most of my time to tackling interesting projects involving writing and debugging code. I value the company's efforts to keep meetings to a minimum, which greatly boosts our productivity levels.

Daniel

Never in my career have I been more excited to come to work and help make myself, our team and the organization better. I feel recognized and rewarded for my contributions and that empowers me to strive for even greater heights.

Kevin

What People Are Saying About Simplex Trading

Autonomy: Feedback suggests people have substantial freedom to develop strategies, make decisions, and take ownership in a flat, low‑bureaucracy environment. Built In and role descriptions also emphasize high ownership and quick iteration.
Team Support: Colleagues are often seen as smart, humble, and collaborative, with traders and technologists working closely together in an in‑person setup. This integrated model is highlighted as a core part of how work gets done.
Benefits & Perks: Company materials highlight free employee medical coverage, dental/vision, 401(k) match, generous parental leave, tuition reimbursement, charity matching, and daily meal stipends. Public profiles also describe stocked kitchens, social events, and wellness programs.