Ing. Aymen Rahal

Objective: Development of an application for monitoring the quality of telephone calls by analyzing CDR (Call Detail Record) files issued by GSM equipment in real time. The tasks performed as part of this project are: Technical environment: Ubuntu, Cloudera CDH5, Hadoop, Spark, Scala, Hive, HBase, Kafka, Elasticsearch, logstach, Kibana.

• Infrastructure design, deployment and outsourcing: dedicated servers, cloud, hybrid • Hosting high traffic web applications • Audit, consulting and optimization • Migration to the cloud • Industrialization, automation, continuous deployment Expertise: Ubuntu, Git, Docker, Jenkins, Ansible, Nagios.

-Migration of existing Mainframes / Teradata / SQL Server data to Hadoop and execution of ETL operations on them. -Design and implement Sqoop incremental imports, import deltas to tables without primary keys and dates from Teradata, and add them directly to Hive Warehouse. -Worked with Avro and Parquet file formats and used various compression techniques to take advantage of HDFS storage. ...

Development of a web monitoring application for << L'Oréal >>. Completed tasks : Design and development of a file management module. Development of a mailing system. Configuring the server to serve static content. Development of Foreign Exchange Queries and return customers.