Here the roadmap and the core value:
Core skills for a data engineering and science team
- Frontend Javascript Developer (AngularJS)
 - deep expertise in the latest web technologies.
 - Frontend Dev Buzzword Compliance: HTML5, CSS3/SASS, Bootstrap, AngularJS …
 - strong experience with AngularJS and the surrounding toolchain (Yeoman, Grunt, etc.).
 - a focus on simplicity and great UX.
 - high interest in data visualization with d3.js.
 - the desire to quickly learn and adapt the latest evolutions of frontend web technology.
 - no fear to work with node.js/PostgreSQL/redis based backends.
 - Frontend Web/Mobile Developer (HTML5 / Android / iOS )
 - Backend System Software Engineer
 - Big Data Buzzword Compliance: MapReduce, Hadoop, Hive, Solr/Lucene …
 - processes and analyzes massive amounts of data at minimum computing time.
 - is working at the cutting edge of Big Data and real-time technologies.
 - A background in online advertising technology (adserving, RTB).
 - Data Scientist / Statisticians
 - an academic degree in a quantitative field, e.g. Mathematics, Statistics, Computer Science, Physics, etc.
 - the desire to quickly learn and adapt new technologies.
 - an analytical mind with a hands-on attitude.
 - substantial knowledge in at least one major programming language (preferably Python and/or C++, Java).
 - a solid understanding of statistics and machine learning techniques.