Use Case

Polars DataFrame Service

• Gets financial timeseries (historical price and earnings) from S3.
• Joins the dataframes on datetime.
• Saves the resulting dataframe to S3.
• Generates pre-signed URL to the dataframe.
• Presigned-URL will be used in Angular UI to display the data on a chart.

Tools Used

• Polars

Dataflow Diagram

Sample Chart

Session 1

Topics Discussed

• AWS S3 Service
• Data Frame Service
• Earnings Service
• Verify the output

Source Code

Video explanation