Companies Simplex Trading

Simplex Trading

Chicago

120 Total Employees

Year Founded: 2004

View Website

We're Hiring!

Engineering 3 Finance 1

View all jobs

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: Benefits are described as comprehensive and office‑centric, with free employee medical coverage, 401(k) match, generous parental leave, tuition reimbursement, and daily meal stipends enhancing the in‑person experience. Perks like a stocked kitchen, wellness programs, and regular social events further support day‑to‑day life.
Autonomy: Work is framed around high ownership and minimal bureaucracy, enabling people to pursue ideas end‑to‑end and ship well‑tested changes quickly. Open‑door access to decision‑makers and tight trader–engineer iteration make impact visible.
Team Support: Colleagues are often characterized as smart, humble, and collaborative, with developers and traders iterating together on pricing, research tools, and infrastructure. An in‑person, open‑office setup encourages quick interactions, mentorship, and accessible problem‑solving.