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  • Data Engineering & Pipeline Management

    Implemented responsive and modern front-end app

    Challenges

    • The application hosts hundreds and thousands of datasets (either free or paid) sourced from thousands of providers.
    • Enable the enterprise users, decision scientists, and data analysts to upload their organizational datasets.
    • Facilitate joins between the uploaded transactional/non-transactional datasets and the other publicly hosted datasets.
    • These joins should be executed within a few seconds for seamless user experience.

    Solutions

    • Implemented responsive and modern frontend app for data scientists using Redux React.
    • Designed and implemented all middle-tier services that include APIs and data access layer on Python Django
    • Wrote ANSI SQL code generator in Python that considers all user selections, connects with the metadata system, and generates the final query that runs on Snowflake.
    • Built search and recommendation systems on Neo4j that help users find features pertinent to their own uploaded datasets.

    Tools & Technologies

    Numpy, Django, Redux, React, AWS, Snowflake

    Key benefits

    • Snowflake allows complex joins that include running various math functions between large datasets to happen within seconds, giving an output of billions of rows
    • It auto-creates multiple clusters depending on the count of concurrent queries as the workload increases
    • Data Scientists can quickly iterate over their models and thus move towards higher accuracy levels since they now save a significant amount of time finding the most relevant features.
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