Firm grasp of the JavaScript and TypeScript or ClojureScript language and its nuances, including ES6+ syntax.Firm grasp of either Ionic, React Native, PhoneGap, or Apache Cordova.Firm grasp of HTML and CSS.Knowledge of functional or object-oriented programming.Ability to write well-documented, clean Javascript code.Rock-solid at working with third-party dependencies and debugging dependency conflicts.Familiarity with native build tools, like XCode, Gradle (Android Studio, IntelliJ).Understanding of REST APIs, the document request model, and offline storage.Experience with automated testing suites, like Jest or Mocha.Experience deploying large scale mobile applications.Excellent oral and written English communication skills.Ability to maintain energy level, operate in a dynamic environment, demonstrating flexibility to adapt.