To reach all Big Data engineering goals of our clients we use the following programming languages, technologies, frameworks and databases: Java, Scala, Spark, Hive, Hadoop/HDFS, MapReduce, Apache Phoenix, Hbase, ElasticSearch, PostgresSQL, OracleDB, CouchBase, Kafka, Docker, GeoMesa. All the applications we built so far are deployed and run using Amazon Web Services and Microsoft Azure cloud solutions.