Ruby Development für transportation app

Responsibilities - Work with our COO and with other engineers to design & architect new products & features for the Wunder Apps. - Build out our back-end Ruby on Rails app in a data-driven environment. - Develop, ship and maintain existing features by writing methodical, maintainable code. -Work with our UI/UX experts to extend our existing mobile apps on iOS/Android and create new, compelling experiences and features. - Help the company growth by creating tools to better engage with our users. Qualifications - 4+ years developing highly dynamic backend for mobile applications. - Solid software engineering skills in a scrum environment. - Expertise in Ruby on Rails apps and the ability to quickly pick up new technologies & skills. - Good experience with HTML + Javascript, especially on mobile devices and proven work with iOS/Android apps. - Some experience with real-time, location based systems would be a plus. - Good knowledge of PostgreSQL. - Experience with scaling and performance optimization of large systems. - Experience with AngularJS would be a plus.