UI Developer

About the Employer
As a leading mobile games developer, Jam City is looking to “level up” our talent. We’re on the hunt for innovators who consider themselves dynamic, collaborative, and thrive in a fast-paced environment.

Unlimited Vacation, Paid Sick Days & Holidays
100% Employee Covered Medical, Dental, Vision Plan Base Plan
Life Insurance, 401k, Flexible Spending Accounts, Commuter Benefits & More
Catered Lunches & Well-stocked Kitchens
Yoga & Wellness Activities
Happy Hours
Company Events
Dog Friendly

Jam City is seeking a UI Developer to join our LA game studio in Culver City to streamline our Genies and Gems experience! We are looking for people who want to satisfy our players' excitement for new experiences within this gem-azing matching game.


  • Ensuring new UI art assets come to life within the game.
  • Delivering new UI features and components for our C++ game engine and Qt-based editor.
  • Collaborating closely with UX, game designers, artists, and engineers to deliver consistently improved experiences to our players.
  • Ensure UI usability across our supported browsers and mobile devices (iOS, Android & Amazon).


  • 1-2 years of development experience in C++
  • Experience creating UI, animations and texture atlases for mobile and/or web applications.
  • Understanding of UI wireframes, user flows, prototypes.
  • Skilled in delivering clean and clear user experience & reusable frameworks for artists.
  • An understanding of asset pipeline and best practices for 2D mobile games.
  • Familiarity with Agile work environments.
  • Knowledge of Git & GitHub.


  • Experience with Python scripting.
  • Experience with Texture Packer atlas creation and optimization.
  • Experience with Qt Creator and Qt packages.
We believe in creating games that unite people across the world and that showcase our commitment to providing an environment that is both inclusive and diverse for our players and employees. We strive to create a workforce that is reflective of our global player community as we know that we are stronger and better when we play together. To help promote an inclusive culture, we celebrate the visible and invisible diversity of our Jam Citizens through initiatives including Employee Resource Groups, cultural events, trainings, speaker series, and more.

Jam City is an equal opportunity employer. We enthusiastically accept our responsibility to make employment decisions without regard to race, age, sex (including pregnancy), national origin, ancestry, religion, ethnicity, marital, or domestic partnerships status, disability, genetic information (including the refusal to submit to genetic testing), predisposing genetic characteristics, military status, veteran status, domestic violence victim status, sexual orientation, gender identity or expressions, or any other classification protected by federal, state, and local laws. Our management is committed to following this policy with respect to hiring, placement, promotion, transfer, demotion, layoff, termination, recruiting, pay, and other forms of compensation, training, and general treatment during employment.

Jam City is an award-winning mobile entertainment studio providing unique and deeply engaging games that appeal to a broad, global audience.

Led by CEO Chris DeWolfe, former MySpace co-founder and CEO, and COO Josh Yguado, former 20th Century Fox executive, Jam City is the creative powerhouse behind some of the highest-grossing and most enduring mobile games. Jam City’s global franchise Cookie Jam has generated more than half a billion dollars, and Panda Pop has more than 120 million downloads to date.

The company also is the go-to studio for Hollywood, having developed immersive, narrative-rich mobile games around iconic entertainment brands. The company’s popular RPG game Harry Potter: Hogwarts Mystery was the #1 game in more than 40 countries at its launch in April 2018.

Jam City has nine studios located in Los Angeles (HQ), Berlin, Buenos Aires, Bogotá, Burbank, Cedar Falls, San Diego, San Francisco, and Toronto.