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Liliana Tang's Projects

building-aws-cloud-data-warehouse icon building-aws-cloud-data-warehouse

A music streaming startup has grown their user base and song database and want to move their processes and data onto the cloud. Their data resides in S3, in a directory of JSON logs on user activity on the app, as well as a directory with JSON metadata on the songs in their app. As their data engineer, I am tasked with building an ETL pipeline that extracts their data from S3, stages them in Redshift, and transforms data into a set of dimensional tables for their analytics team to continue finding insights in what songs their users are listening to.

data-dashboard-deployment icon data-dashboard-deployment

Writing Python code that reads in data, cleans the data, and then uses the data to make Plotly visualizations.

data-modelling-with-apache-cassandra icon data-modelling-with-apache-cassandra

Modelling event data to create a non-relational database and ETL pipeline for a music streaming app - defining queries & tables for a database built using Apache Cassandra.

data-modelling-with-postgresql icon data-modelling-with-postgresql

Modelling user activity data to create a database and ETL pipeline in Postgres for a music streaming app - defining Fact & Dimension tables as well as inserting data into new tables.

dsnd_term2 icon dsnd_term2

Contains files related to content and project of DSND Term 2

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