Machine Learning Scientist / Post-Doctoral Researcher @ Part-time machine learning scientist and post-doctoral researcher in Amazon's berlin-based core machine learning team, working on probabilistic forecasting. From October 2015 to Present (1 month) Berlin Area, GermanySenior Researcher @ Part-time senior researcher with the Database Systems and Information Management Group of TU Berlin. Mentoring PhD students and teaching a class on scalable data mining. From October 2015 to Present (1 month) Berlin Area, GermanyASF Member & Committer at Mahout, Giraph and Flink @ Member of the Apache Software Foundation and committer at a variety of projects: Apache Mahout (scalable machine learning), Apache Giraph (scalable graph processing), Apache Flink (next-generation scalable data analysis). From July 2010 to Present (5 years 4 months) Research Associate / PhD student @ Research in the area of large scale data analysis and parallel processing platforms at the Database Systems and Information Management group (DIMA). From May 2011 to September 2015 (4 years 5 months) Software Engineering Intern @ Internship in the Social Discovery Team, working on the distributed factorization of large graphs From July 2014 to September 2014 (3 months) San Francisco Bay AreaResearch Intern - Intelligent Information Integration @ Internship in IBM's Almaden Research Center, working on large-scale, declarative machine learning with the SystemML group From July 2013 to September 2013 (3 months) San Jose, CaliforniaSoftware Engineer - Recommender Systems @ Responsible for the algorithmic and technical aspects of Zalando's Recommender System From February 2010 to April 2011 (1 year 3 months) Software Engineer @ Participated in the development of several webplatforms (e.g. groupon.de, edarling.de, ecareer.de, betreut.de). The focus of my work was on software design and backend-related issues like data access, caching, webservices and batch processing. From December 2007 to February 2010 (2 years 3 months) Software Engineer @ Architecture, implementation and maintenance of a webplatform used to buy virtual goods in the chinese market, leading a small team of 3 developers. From January 2007 to December 2007 (1 year) Software Engineer @ freelance work for several Berlin-based startup companies From 2004 to 2006 (2 years)

diploma @ Freie Universität Berlin Sebastian Schelter is skilled in: Hadoop, Collaborative Filtering, Lucene, Java, Spring, Hibernate, MapReduce, Mahout, Scala, Large Scale Systems, Recommender Systems, Graph Algorithms, Algorithms, Machine Learning