For ALOALTO’s clients, I created and managed the architecture, the algorithms, and the backend of two different products in the cloud.For the first one, I implemented, orchestrated, and optimized ETL pipelines with Scala Spark in Cloudera Cluster, on top of EC2 instances. The resulting data are saved in PostgreSQL Database and are used by a web application through APIs.For the second one, I implemented Lambda orchestrations with real-time data from Kinesis Streams that gives real-time recommendations based on my algorithms. The results are also saved in DynamoDB (NoSQL) to be used by a web application through APIs.