About

Logasubramani Gunasekaran is a seasoned Data Engineer with over 15 years of experience in enabling scalable ETL data pipelines using both Hadoop Technologies(MR/Pig/Hive/Presto/Spark/AWS cloud etc) and MPP systems like Teradata. His area of expertise includes building Dimensional data model/data pipelines and reporting/analytics, reusable UDFs, and automation and Product analytics. Logasubramani is currently working as a Data Engineer supporting Enterprise Products Team at Facebook. Logasubramani is highly skilled in Cloud Big data Computing, including Facebook Presto/AWS Athena, EMR on AWS, Hadoop - HDFS/S3, Apache Spark/Spark SQL/PySpark, Airflow, Bitbucket CI/CD & SourceTree, Databricks/AWS, Apache Pig/UDF, Hive/Hive QL, Tableau, Data Quality, Bitbucket/Git/Sourcetree, Avro/ORC/Parquet, Batch/Real-time pipelines, Map-Reduce, Java, Big data, Dashboards/Reporting/Visualization, SVN/GIT, ETL Design/Development/Testing, ETL: Informatica Power Center (Informatica Certified Designer), DB: Teradata(Advanced Teradata Certified Professional), Oracle, Teradata Performance Tuning, SQL/Advanced SQL, ETL Batch Optimization, OS: Linux/Unix - Shell Scripting, BI: Business Objects, Job Scheduler: Appworx(UC4)/Azkaban, Data Modeling(Dimensional Modeling), Data Warehousing/Business Intelligence, and experience working with large data. Logasubramani has previously worked as a Data Engineer at Atlassian, where he supported the Customer Support and Success team on the AWS platform. He has also worked as a Data Engineer at Facebook, where he supported the Facebook Stories product. Logasubramani holds a Bachelor of Engineering degree in Electrical and Electronics Engineering from Anna University, where he graduated in 2006. He also holds an HSC degree in Mathematics, Physics, Chemistry, and Computer Science from The Little Flower Higher Secondary School. With his extensive experience and technical skills, Logasubramani is an expert in Data Engineering, AWS, SQL, ETL, Spark, Big Data, Hadoop, Databricks, Apache Hive, HDFS, Apache Airflow, Amazon Athena, CI/CD, test, designer, Python, and Java. His relevant