S

Sai Surya Gadiraju

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Maharashtra, India

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Jobs verified_user 0% verified
  • Oracle Health
    Data Engineer
    Oracle Health
    Jun 2024 - Current (2 years 1 month)
    Gathered and translated business requirements into technical specifications by collaborating with cross-functional stakeholders, enabling accurate data accessibility and end-to-end ETL workflow design. Improved ETL pipeline performance by 35% by optimizing Spark jobs and partition strategies, reducing processing time for large datasets. Enhanced analytics efficiency by 30% by redesigning fact/dimension models using Star and Snowflake schemas in Snowflake. Elevated operational decision-making by enabling 100% dashboard refresh reliability through improved Power BI data model optimizations. Designed and implemented complete ETL pipelines from heterogeneous source systems to staging, data marts, and warehouse layers, adhering to Oracle Health
  • accenture
    Data Engineer
    accenture
    Sep 2021 - Jul 2023 (1 year 11 months)
    Participated in full SDLC, translating business requirements into technical design documents and implementing scalable data solutions across development, testing, and deployment phases. Improved data processing speed by 35-50% by optimizing Spark/Spark SQL workloads in Azure Databricks using caching, broadcast joins, and cluster tuning. Reduced manual data handling by 70% by building automated ETL pipelines in Python and Snowflake for multi-layered data ingestion and transformation. Created and published Power BI reports for SharePoint data sources to visualize business KPIs and drive data-driven decision-making. Engineered multiple MapReduce jobs in Java to perform large-scale data preprocessing, cleansing, and optimization for downstream
  • Wipro
    Data Analyst
    Wipro
    Jun 2020 - Jul 2021 (1 year 2 months)
    Cut data preparation time by 30% (saving 10 hours weekly) by integrating and cleaning data from 10+ diverse sources into a unified analytics dataset using SQL and Python (Pandas), resulting in a highly efficient foundation for upstream analysis. Reduced monthly financial reporting time by 25% by designing and deploying 10 interactive Tableau dashboards to visualize financial KPIs (revenue, profit margins), resulting in providing the finance team with immediate, self-service insights. Increased targeted email campaign response rates by 7% by analyzing 250K+ transactions using SQL window functions to identify the top 5% of high-value customers, resulting in precision-focused marketing campaigns. Improved predictive model accuracy by 6% by con
Education verified_user 0% verified
  • Andhra University
    Bachelor of Technology in Electronics and Communication Engineering
    Andhra University
    India, AP
  • GEORGE MASON UNIVERSITY
    Master of Science Degree in Data Analytics Engineering
    GEORGE MASON UNIVERSITY
    Fairfax, VA