Principal UI Developer

Posted on Feb 12

The Department

PEAK6 was brought to life by the idea that the development of integrative technology can improve how business is done. The passion for that idea powers our firm still. As a Principal UI Developer, you are free to explore unique solutions and try fresh ideas that may benefit our trading businesses and investment companies. We're a development team working in a continuous delivery environment and need quick-thinking, creative and collaborative developers to join us.

Your Role

You’ll be responsible for:

Making an immediate impact - the work you do will help in tangible ways. You'll create front-end applications that will enable our teams to work smarter and faster within our trading and investments businesses.
Building UI tools to support various operations from front-office and trading, to risk and data management across the firm.
Providing technical leadership and UI direction. You'll work with the current platform and help us make changes to ensure we are staying ahead of the curve by evaluating new frameworks and libraries.
Providing guidance and mentorship on coding and styling best practices.


You’ll gain loads of experience in this role but before you do, you should have:

Expert level skills in all aspects of the presentation layer and technologies including JavaScript, CSS and HTML5
Chrome Extensions development
Experience with several client-side frameworks – Angular, Backbone, React or the like
Experience writing unit / integration tests for UI components preferred
Experience building demanding and performant UI components
Experience defining and leading web UI architecture direction

All of our developers have these traits. You should, too.

Motivation Collaboration Curiosity

Integrity Adaptability Ingenuity

As a PEAK6 Principal UI Developer, you can enjoy:

Generous medical, vision and dental plans
Matching 401(k) programs
Adoption assistance & family leave
Sabbatical program
Speakers Series
Massage days
Poker tournament with a grand prize of a World Series of Poker buy in
Sports leagues
Cornhole tournaments
Annual PEAK6 Party
Yoga classes
Tuition reimbursement
Lasik eye discount
Philanthropy events
Annual wellness screens and flu shots
Bagel Fridays/expiration lunches
Birthday gifts
Charitable matching gift program
Learn more about our culture on our website at