Sr. UI Engineer

Palo Alto, CA | Client Platform/Graphics

Job Description

The Sr. UI Engineer is a key member of the Game Engineering team and reports into the CTO/Co-founder.  The ideal candidate will have be have strong fundamentals, ability to problem solve, and the adept at getting up to speed in large and complex code bases. You will be primarily responsible for working on our UI engine (based on the HTML DOM and CSS specification). We have adopted the best practices of the web which allow designers to build UI quickly and iteratively. Your work will be seen by tens of millions of players in the future!


  • Code primarily in C++ to extend and optimize our cross-platform, HTML-driven UI engine
  • Produce high quality, well-documented code promoting modularity, extensibility and performance
  • Participate in code reviews


  • 5+ years of expert level C++ experience
  • Strong familiarity in STL, Boost
  • Experience working with or developing HTML/CSS layout and style engines
  • Experience working or developing UI scripting systems
  • Knowledge of text layout and rendering systems
  • Strong background in computer science fundamentals, design patterns, algorithms and data structures
  • BS in Computer Science, Computer Engineering or equivalent


  • Familiarity with iOS development tools and processes
  • Familiarity with Android development tools and processes
  • Experience working in or contributing to open source browser projects (ie, Webkit, Chromium)
  • Experience working in Javascript and Javascript Frameworks (ie. jQuery, Angular)

Refer a Friend:

We rely on your referrals for our success, and to show our appreciation, Machine Zone offers a Referral Bonus Program.  If you refer someone to us for a full-time position and we hire them, you will receive a $1000 referral bonus after 90 days of successful employment. Certain rules, restrictions, and eligibility requirements apply. To make a referral or to learn more about the Referral Bonus Program, please contact us at referral<at>

Top Reasons to Join Us:

  • Be part of the most innovative mobile gaming company with phenomenal growth opportunities
  • Competitive compensation package, bonus initiative plans, 401K, full health benefits, ST/LT insurance and unlimited vacation
  • Located in downtown Palo Alto near all the restaurants, bars, and cafes
  • Food, snacks, drinks, and lunches/dinners with founders
  • Monthly events (offsite mixers, game nights, ice cream socials, etc.), group lunches, holiday party, ping pong table, video games… and more!

About Us: 

Based in Palo Alto, Calif., Machine Zone, Inc. (formerly known as Addmired, Inc.) is focused on creating the most engaging free-to-play mobile social games in the world. Launched in 2008 with Y Combinator, Machine Zone has seen explosive annual growth with its highly successful free-to-play games, including Game of War: Fire Age, iMob 2, Original Gangstaz, Global War, Race or Die 2, among others. To date, the company has well over 40 million downloads of their iPhone games and is the recipient of the 2010 Crunchies Award (Techcrunch) for Best Bootstrapped Startup. Machine Zone operates profitably and has raised two rounds of funding from Anthos Capital, Baseline Ventures and Menlo Ventures.

We are a unique, highly talented and ambitious team of free-to-play game experts and rock-star engineers, all focused on building highly engaging mobile experiences for our gamers.  We continue to expand our teams and look for top talent around the world to build not only the most exciting technical and social projects in mobile gaming, but to help create the best gaming company.  Come and be part of the revolution!


Machine Zone does not accept unsolicited agency resumes.  Please do not forward unsolicited agency resumes to our website, employees or Human Resources.  Machine Zone will not pay fees for unsolicited agency resumes and will not be responsible for any agency fees associated with unsolicited resumes. Unsolicited resumes received will be considered property of Machine Zone and will be processed accordingly without fee.


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