Sr. Platform Engineer, Front End

Culver City, CA

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Jam City, Inc. logo
Jam City, Inc.
Jam City connects people around the world through great games.
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As a leading mobile games developer, Jam City is looking to “level up” our talent.  We’re searching for innovators  who consider themselves dynamic, collaborative, and thrive in a fast-paced environment. 
PERKS & BENEFITSUnlimited Vacation, Paid Sick Days & Holidays100% Employee Covered Medical, Dental, Vision Plan Base PlanLife Insurance, 401k, Flexible Spending Accounts, Commuter Benefits & MoreCatered Lunches & Well-stocked KitchensYoga & Wellness ActivitiesHappy HoursCompany EventsDog Friendly
Jam City is searching for the best and brightest Software Engineers to work on the LiveOps platform side of our cross-platform games. We’re looking for a smart, experienced React engineer who thrives in an agile environment.  Our right fit is someone who enjoys solving problems, thrives when learning new technologies, cares about scalability, interacts effectively in a team environment, and takes ownership and pride in the work that they do.
Our company and culture is geared towards producing the best quality games in the world and having fun while we do it. Jam City has a full team of in-house artists, designers, and game developers.  Our core technology allows developers to plug into a scalable backend, flexible game frameworks, analytics and cross-platform methodologies. Jam City is growing, profitable and has offices spread out internationally.ResponsibilitiesDesigning and implementing various features and UI components for the React front end of a centralized liveOps platform that supports the day to day operations of our games.


  • Communication with the platform's REST APIs and GraphQL endpoints as well as aggregation of the resulting data into logical data models.                                  
  • Maintenance of state within components and across the entire application.                       
  • Building the HTML structure, CSS styling, and event handlers to implement features described in various wireframes.                                  
  • Advocating software development best practices such as design patterns, testing, modularization, and maintainability/readability.
  • Mentoring younger engineers in new technologies/techniques and good engineering practices.                            
  • Working within an Agile Scrum environment with various other front end, back end, and QA automation developers.     


  • 5+ years of programming experience in Javascript with experience using at least one other high level language.
  • Experience building rich web applications in the React framework.                   
  • Understanding of how to design and implement reusable front end components that are highly configurable and well tested.             
  • Ability to derive behavioral requirements from product ownership and technical leads on the team.                                  
  • Knowledge of debugging techniques to quickly diagnose operational issues.
  • Understanding of end to end test frameworks such as Selenium, React Testing Library,, etc.   
  • Demonstrated use of a state management tool such as Redux, React Hooks, or MobX.


  • Java, Node.js, Scala, Github Actions, Docker, Kubernetes.
OUR COMMITMENT TO EQUITY, DIVERSITY, & INCLUSIONWe 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.

ABOUT JAM CITYJam 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.
Job region(s): North America
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