About Chirag Mahajan

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    United States
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About me

Accomplished professional with a strong foundation in data analytics and software engineering, currently pursuing a Masters in Data Science. With a track record spanning 3 years, I have consistently delivered impactful insights through data analysis and innovative software solutions. Adept at leveraging cutting-edge tools and techniques, I am well-poised to transition into data science roles. Passionate about uncovering meaningful patterns in data and driving informed decision-making, I am committed to contributing to the advancement of data-driven solutions.

Education

Experience

  • 2023 - 2023
    Technical Consulting and Research, Weston, Connecticut

    Statistical Data Mining Intern

    ï‚· Integrated Auth0 and Splunk to create a log stream to collect data for analysis.
    ï‚· Implemented SQL queries to preprocess and structure the dataset, aiming to enhance accuracy and ensure
    resilient outcomes.
    ï‚· Utilized Pandas library in Python to clean log data, orchestrating data analysis through ARIMA time-series
    model, and Anomaly Detection Toolkit leading to identification of the anomalies/outliers in the data resulting in
    reduction of malicious user activity by 30%.
    ï‚· Employed Tableau to craft dynamic dashboards for visualizing both log-event data and identified anomalies,
    creating a clear and intuitive representation facilitating rapid comprehension of complex insights.

  • 2019 - 2022
    Infosys Ltd, Bangalore, India

    Senior Systems Engineer, Analyst

    ï‚· Created data pipelines to migrate 500 million user data with ETL tool Oracle Data Integrator from Oracle to
    Postgres for Income Tax Department of India leveraging SQL and PostgreSQL languages.
    ï‚· Developed Python scripts coupled with Tableau dashboards to automate data view pulls to provide sub views of
    data for visibility to the stakeholders.
    ï‚· Conducted data cleaning and preprocessing using Python libraries, ensuring data accuracy and consistency.
    ï‚· Conducted unsupervised clustering analysis on demographic features, identifying high-taxpayer segments.
    Segmented taxpayers for personalized services, leading to a 10% revenue increase for the Income Tax
    Department of India. Leveraged AWS Elastic Beanstalk for efficient deployment.

  • 2019 - 2023
    Infosys Ltd, Mysore, India

    Systems Engineer Intern

    ï‚· Implemented website backend and REST API in Java, using agile approach, mapped it with database using
    Hibernate.
    ï‚· Developed user-friendly website components using Angular for browsing movies, songs, and books.

Skills