XING Spain is growing and we need a talented Ruby Backend Developer! As a member of our team, your main focus will be the development and maintenance of our web-based Recruiting products. These define the social recruiting market in the German speaking area with high relevance and transparency for the jobseeker. The combination of E-Recruiting and Social Networking is an exciting emerging market. Our focus is on building smart solutions in the spirit of user-centric relevant information, fuelled by company reviews and ratings from our subsidiary Kununu. What we offer: The chance to work on a large, highly distributed platform with over 14 million users A variety of technologies and languages in our office: Perl, Ruby on Rails, Java, Scala, Elasticsearch, REST, AMQP, Linux, Hadoop, Riak, MongoDB, MySQL, Solr, iOS, Android, Backbone.js, jQuery, Git, Jenkin Regular hack weeks Training, conferences and many opportunities to learn, experiment and grow A multicultural diverse environment with employees from all over the world Subsidised restaurant tickets, free fruit, drinks, snacks Pension plan, private Healthcare, Transport card Spanish & German lessons A mobile device for private use (iPhone, iPad, Android) Competitive salary, permanent contract We cover relocation expenses. More holidays than the standard in Spain. A sunny office located in the centre of Barcelona, with a large terrace Were an Open Source contributor ([url removed, login to view]) and we let the world know what were doing ([url removed, login to view]) while also organising public user groups and coding events This position is also available to work remotely from [url removed, login to view] we need We are looking for an experienced and passionate engineer, with special focus on the back-end side, and expertise inRuby, Ruby on Rails, MySQL, REST, AMQP who is: Constantly evolving with the technology trends, and willing to embrace change Able to architect & design APIs and components used by other developers Experienced in working with memory/performance critical applications Experienced in large scale data/distributed systems Capable of understanding people and knows the best way to get along with them to come up with good solutions to technical challenges Always looking for self-improvement and, together with other people, enhance your work Familiar with agile methodologies and enjoys working in teams with a focus on sharing knowledge with other experts Fluent in English Nice to have (a plus, but not mandatory): Expertise across the whole stack e.g. additionally Backbone JS, Marionette A regular contributor to open source projects Fluent in Spanish and German If this profile matches your expertise, experience and aspirations, we’d be delighted to receive your complete application, including salary requirements and a possible starting date.