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David Buitrago Arenas has a diverse work experience in the fields of data science, software engineering, and backend development.

David worked as a Data Scientist at Datamaran from March 2017 to the present, where they are responsible for analyzing and interpreting data to provide insights and solutions.

Previously, they served as a Data Scientist at Glassy Pro from November 2016 to March 2017, where they applied data analysis and machine learning techniques to improve user experience.

David also worked as a Backend Developer, Software Engineer, and Data Miner at Happy Freelance Jobs from January 2013 to present, where they developed and maintained backend systems and utilized data mining techniques.

At Cactus Agency, they served as a Software Engineer and Data Engineer from November 2014 to October 2016, where they were involved in developing software solutions and managing data infrastructure.

Additionally, they volunteered as an Event Organizer of Big Data Days VLC at Las Naves Collaborative Space from August 2014 to December 2015, where they introduced big data topics to the general public and promoted community engagement.

David's entrepreneurial experience includes being a Partner at Hooptap from January 2011 to December 2015 and Co-Founder and CTO from November 2010 to April 2013. David played a key role in strategic decision-making and technology development.

David also worked as a Backend Engineer and Sys Admin at Dr Web Solution from August 2013 to July 2015, where they were responsible for backend development and system administration.

Furthermore, David served as a Partner and Tech Advisor at Pickevent from July 2014 to June 2015 and as a Lead Application Developer from April 2013 to July 2014, where they provided technical guidance and developed the application.

David holds a Master's degree in Computer Sciences from Universidad Politécnica de Valencia, where they studied from August 2008 to December 2014.

David also gained practical experience as a Practice Scholarship Software Dev at TAG INGENIEROS CONSULTORES, S.L. from April 2010 to July 2010.

David Buitrago Arenas has a solid educational background in the field of technology and data science. David obtained a Bachelor's degree in Informatics Engineering from Universidad Manuela Beltrán, where they studied from 2002 to 2007. Following this, they pursued a Master's degree in Artificial Intelligence and Pattern Recognition from Universitat Politècnica de València, completing their studies from 2008 to 2010.

In addition to their formal education, David has also obtained several certifications to enhance their skills and knowledge. David completed the "Introduction to Data Governance" course from LinkedIn in November 2016, and the "Introduction to Data Science" and "Hadoop Fundamentals" courses from Lynda.com in October and September 2016, respectively. In 2015, they attended the "Summer School in Machine Learning" organized by BigML, Inc.

Furthermore, David has pursued additional certifications in the field of data science. David has completed the "Big Data: Mathematical Modelling" course from FutureLearn and the "DEV 360 - Apache Spark Essentials" course from MapR Technologies. David has also earned a certificate for the "Machine Learning" course from Coursera. The specific months and years of completion for these certifications are not provided.