Companies Simplex Trading

Simplex Trading

Chicago

120 Total Employees

51 Product + Tech Employees

Year Founded: 2004

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We're Hiring!

Engineering 3 Finance 2

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What's It Like to Work at Simplex Trading?

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

Benefits & Perks: Compensation packages include free employee medical coverage, dental/vision, 401(k) match, generous parental leave, daily meal stipends, a stocked kitchen, education assistance, and charity matching. Feedback suggests frequent in‑person events and office amenities further enhance the on‑site experience.
Autonomy: Employees are encouraged to take ownership with minimal bureaucracy, fast iteration, and a “choose your own adventure” style that favors direct impact. Feedback suggests people can move ideas from research to production quickly and improve systems proactively.
Team Support: Colleagues are often seen as smart and humble, with close trader–engineer collaboration and shoulder‑to‑shoulder problem solving in the Chicago office. Mentorship, pairing, and a low‑ego culture are emphasized to enable rapid learning and delivery.