Senior tech leader with 13+ years of experience. Having led the technical direction of products for start-ups and corporations in different sectors: e-commerce, social networking, healthcare, farming, marketing, and public administrations.As senior tech leader, I've • led remote teams, 30+, across US and EU. Having created tech departments from scratch, and having transformed and expanded existing tech structures • in partnership with stakeholders and products owners, led the direction of tech products in the start-up world, and for the corporate world • acted as a trainer, and evangelist of new technologies and business directions. Experience setting up training programs for engineer roles • coached and trained engineers in the Technical Program Manager role • in regards to team organization, got a strong bias for ownership, and collaboration. Helping engineers to grow cross-functional, and taking ownership of projects • in regards to productivity, structured, led, and supervised Agile, self-organizing, and cross-functional teams that work towards clear goals • lead new tech products from initial idea phases through MVPs and its pivots As Solutions Architect, I've • led the design and development of machine learning algorithms and A/B testing environments. Having recommend-er engines audited by third-parties • driven by scalability needs, I've led tech transformations of old tech platforms in the Big Data world. From SQL-server platforms to Big Data architectures on AWS with Parquet, Spark, Redshift, and ElasticSearch • led data migrations from in-house to the cloud, AWS, and designed transition periods • got experience with performance benchmarking, stress testing, and scaling systems • designed, and led implementation of HIPAA and PCI compliant architectures on the cloud. Experience with auditing on AWS in the finance world As Cross-functional Software Engineer, I've • played different roles across the tech stack • built tech products for start-ups and evolved them. From initial ideas to MVPs, and going through the pivots of the products, being hands-on with all aspects of the software life-cycle • worked with different tech stacks and technologies: Rails, JAVA, J2EE, Spring, SQL, NoSQL, REST, SOAP, Spark, Parquet, EMR, Hadoop, Cassandra, Membase, MySQL, Oracle, Informix, Postgres, JDBC, Hibernate, ActiveRecord, EJB3.0, Solr, and Lucene. • got experience with dynamic and static languages, and various programming paradigm: Ruby, Java, Python, SQL, Scala, Javascript, PHP, and Groovy