Leader, architect, and product visionary - I have built and led several diverse multi-continent teams of 50+ engineers, tech leads and managers over the course of 5+ years. I believe in building products that deliver real value to customers, address a sustainable and growing target market (sufficient TAM), and leverage both technical and business capabilities of my organization. Launched three exponentially fast growing and profitable public products. Led both the technical/architectural and the product sides of the process. Initiated, designed and managed multiple public facing data intensive cloud offerings from inception into production (GA). Designed roadmap and architecture for public products, ingesting indexing and transforming petabytes of data in realtime. Managed and mentored multiple teams of software engineers, ensuring deliverables are shipped within the timelines and all project objectives are met. My product principles are: every feature added to the roadmap needs to deliver value, solve a real problem for our customer and align with our product vision and strategy.My team leading principles are: full ownership for each team member according to their level, constant professional growth opportunities, open to feedback team communication and merit based promotion. I have deep expertise in the following technologies:Query Engines: Spark, Drill, Flink, Custom designed query engines. Consensus and Orchestration: Zookeeper, Atomix, KubernetesStorage and Indexing: Parquet, Lucene, Bitmap indices, LZ4.Open Source Datastores: Cassandra, Elasticsearch, Druid.io, MySQLProgramming languages and frameworks: Java, Spring, Guice, Python, RubyPatents:Techniques for scalable distributed backups - https://image-ppubs.uspto.gov/dirsearch-public/print/downloadPdf/20230074868My recent blog articles:http://samuelhermanblog.blogspot.com/2019/01/custom-java-filesystems-part-1.htmlhttp://samuelhermanblog.blogspot.com/2017/02/deep-learning-part-3-tensorflow.htmlhttp://samuelhermanblog.blogspot.com/2017/01/deep-learning-part-1-logistic.htmlhttp://samuelhermanblog.blogspot.com/2017/01/spark-streaming-in-real-world.html