Eleven Systems

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WordPress Developer

Software Engineering | Mill Valley, CA | Full Time

Job Description


Eleven Systems is a software development group owned by a private equity firm Grassy Creek, LLC based in London.  Eleven Systems is responsible for developing software applications and websites for the various businesses owned in our private equity portfolio.  

An example of one of our businesses is Eleven Experience.  Eleven is a collection of high end properties around the world where guests are offered exceptional accommodations, fine dining and incredible experiences such as heliskiing, fly fishing, mountain biking and more.  We are currently building an online booking engine for the website as well as integrated mobile apps for managing guest preferences and trip details.  

In addition to our headquarters in London we have offices in Mill Valley, Sarasota, Durham, Crested Butte and Amsterdam.  We are ideally looking for a web engineer to work out of our Mill Valley office but are open to working from home.


We are seeking a Web Designer responsible for both design and front-end development, including creating WordPress themes, plugins, and websites. This position requires a combination of programming skills (PHP, HTML5, CSS3, and JavaScript) and design sensibilities (understanding core design principles and industry best practices). Experience with responsive and adaptive design in a content management system is a must. Also, an understanding of the entire web development process, including planning, design, development, and deployment is preferred.


  • Designing and implementing new SaaS, hospitality, and entertainment websites
  • Establishing and guiding the website’s information architecture
  • Ensure a consistent user experience across brand sites and products
  • Developing and supporting custom themes to accomplish site goals
  • Coordinate with backend engineers for deployments, testing, and fixes


  • 2+ years of experience designing and building WordPress sites
  • Solid understanding of front-end technologies, including HTML5, CSS3, JavaScript, jQuery
  • Experience developing and testing responsive and cross-browser friendly design websites
  • Comfortable working with debugging tools like Firebug, Chrome inspector, etc.
  • Ability to design and convert comprehensive layout and wireframes into working HTML pages
  • Knowledge of how to interact with RESTful APIs and formats (JSON, XML)
  • Familiar with Adobe Creative Cloud tools
  • Proficient understanding of code versioning tools, such as Git
  • Strong understanding of PHP back-end development and best practices
  • 3 years experience preferred


Job Type: Full-time

Job Location: Mill Valley, CA