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Digital Product Designer (London)

Design the future of technology alongside the brightest engineering minds.


Theorem is looking for top design talent in London. We empower each employee with extreme ownership of their work, building our people into leaders along the way.


A Digital Product Designer at Theorem leads the UX and UI design of software products with minimal oversight. Designers are part of a cross-functional team that works directly with clients, bringing their vision to life.


Is this you?

  • You're good and you want to get better. You have an exceptional grasp of best-practices.

  • You're experienced. You've been riding your design horse for at least 5 years.

  • You're well-rounded. From wireframes to prototypes, you've done it all.

  • You like people. And people like you.

  • You're confident. You're comfortable giving and receiving real-time feedback.


Theorem team members receive all the bells and whistles like unlimited vacation, support for healthy lifestyles, education, conferences, annual retreat and many more.


We take pride in having an awesome culture of radically talented individuals. If you have the discipline to match your skills, we will mold you into a diamond. At Theorem, we're committed to all voices being heard across all backgrounds including different genders, ethnicities, races, and orientations.


What’ was your favorite client? To start a conversation please include the answer in your cover letter. Serious applicants only.




Theorem expects all team members to be honest, trustworthy, and operate with integrity. Discrimination and all unlawful harassment (including sexual harassment) in employment is not tolerated. We encourage success based on our individual merits and abilities, and all decisions regarding recruitment, hiring, promotion, compensation, employee development decisions such as training, and all other terms and conditions of employment, are based on business needs, job requirements and individual qualifications without regard to race, nationality, national origin, citizenship status, employment status, ethnicity, ethnic origin, color, creed, religion, belief, age, family or parental status, pregnancy, marital status, sex, gender, gender identity, sexual preference, lifestyle, social class, military status, disability, hairstyle, physical features, or any other other status protected by the laws or regulations in the locations where we operate. We oppose all forms of unlawful or unfair discrimination. Theorem encourages applicants of all ages. Theorem is an equal opportunity employer.

No statements by Theorem are intended to create an offer of employment unless made in writing, signed by an officer of the company and no offer shall become effective unless countersigned by the prospective employee.
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