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 1

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What's It Like to Work at Simplex Trading?

Updated on October 26, 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 employees experience significant ownership with a flat structure, minimal bureaucracy, and direct access to decision-makers. Freedom to develop solutions and strategies independently is highlighted across trading and engineering roles.
Benefits & Perks: Feedback suggests the package includes free employee medical coverage, dental and vision, a 401(k) match, generous parental leave, tuition assistance, and daily meal stipends plus office amenities. These offerings indicate a concerted effort to make the onsite environment appealing.
Compensation: Pay is considered competitive for technical and trading roles, combining solid base salaries with performance-based bonuses. Feedback suggests this financial upside is a meaningful attraction for candidates seeking strong rewards.