Subrat Mahavoi

About Subrat Mahavoi

Data Analyst with 3 years of experience delivering actionable insights through data visualization, machine learning, and advanced analytics. Currently at Amazon, leveraging SQL, Python, and BI tools to solve complex business problems and optimize decision-making. Previously with HCL in the investment banking domain, where I refined large datasets into meaningful business intelligence.Key Highlights:HackerRank Certifications: Python 5 & SQL 5Data Expertise: Data Modeling, ETL Development, and Advanced Excel AutomationVisualization: Tableau, Power BI, Seaborn, MatplotlibDatabases & Cloud: MySQL, PL/SQL, AWS, Pandas, NumPyMachine Learning: Building and deploying predictive models for data-driven strategyI am passionate about transforming raw data into strategic insights that drive measurable business results. Always eager to explore new tools and methodologies that push the boundaries of analytics and AI.

Experience

1. Senior Data Analyst

   Amazon

   Jul 2024 — Present · Delhi, IN

   Amazon – Data EngineerDesigned and maintained Power BI dashboards and Tableau visualizations to track operational KPIs, enabling leadership to make data-backed decisions.Wrote optimized SQL queries to process large-scale datasets, reducing data refresh time by 40%.Built ETL workflows in AWS to automate data extraction and reporting, saving 12+ hours of manual effort weekly.Collaborated with cross-functional teams to identify process gaps and deliver AI-driven data annotation solutions.

Education

• Biju Patnaik University of Technology, Odisha

  B.tech, Mechanical Engineering

• AlmaBetter

  Master Degree in Data Science , Data Science