Best company I have worked for (2x) in my career spanning 17 years - Principal Engineer PEAK6 Employee Review

5.0
Sep 6, 2012
Recommend
CEO approval
Business Outlook

Pros

Some of the smartest tech leaders and developers that I have ever known. I have the best mentor, I think, on the planet. Always pushing me to be creative and find new ways to solve problems. Always helping me refine ideas. Wants the best for our team, always. Our traders are great to work with. Having a passion for quality work and products gets recognized by those using them and they know you will fix any issues they find as quick as it can get done. Most work very well with support and development to move products forward. They are eager to get the latest products on their desk. Compensation is outstanding. Many little perks to make the day go by easier. Senior leadership will listen to your ideas if you present them well. Most places I have worked, this doesn't exist no matter the presentation. HR department has been the best. Never a problem getting things done. Will always help you in nearly anything you can ask for, if you ask.

Cons

Direction and focus does change quite a bit. This can be a real distraction. (This has been slowing down as our leaders have recognized this and are working to make changes) Some projects and prototypes get shelved for months at a time, if they are even picked back up. This is not always bad, but some great ideas and products may take years to implement for the traders.

Explore other reviews about PEAK6

5.0
Jun 11, 2026
Anonymous employee
Recommend
CEO approval
Business Outlook

Pros

Smart people and opportunity to move around the portfolio companies and new projects if you raise your hand. Beautiful office space,

Cons

Demanding environment with very high expectations (can be unrealistic).

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PEAK6 Response
1mo
Thanks for your review! Glad to hear you value the smart team and office space. We understand the demands and are always working to balance expectations - thank you for sharing your thoughts on this.
4.0
Jun 25, 2026
Anonymous employee
Recommend
CEO approval
Business Outlook

Pros

Very wfh friendly, not as intense for a buyside

Cons

Mixed identity between a very traditional discretionary prop shop and a fintech-esque platform

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