S

Sanjay Bhargav Komma

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Texas, United States

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Résumé

Jobs verified_user 0% verified
  • KeyBank
    Senior AWS Data Engineer
    KeyBank
    May 2023 - Current (3 years 6 months)
    Designed and implemented scalable ETL/ELT pipelines using AWS Glue, Lambda, and PySpark to process structured and unstructured data from diverse sources into centralized data lakes.Built and optimized data lakes on Amazon S3, ensuring efficient data partitioning, compression, and lifecycle policies for cost optimization and performance.Developed real-time data streaming architectures using Amazon Kinesis, Kafka, and AWS Lambda for event-driven analytics and fraud detection systems.Implemented data warehouse solutions using Amazon Redshift, integrating with Glue Catalog and Spectrum for seamless data querying and transformation.Automated infrastructure provisioning using Terraform and CloudFormation, reducing manual errors and ensuring consi
  • Pfizer
    Senior AWS Data Engineer
    Pfizer
    Aug 2020 - Apr 2023 (2 years 9 months)
    Designed and developed end-to-end ETL and ELT pipelines on AWS using Glue, Lambda, Step Functions, and Redshift to ingest, transform, and load structured and semi-structured clinical and R&D datasets.Architected a HIPAA-compliant AWS Data Lake on S3 with Raw, Staging, and Curated zones, implementing encryption, version control, and lifecycle management policies to ensure scalability and cost optimization.Developed and optimized PySpark transformation jobs on EMR for high-volume genomic and patient data; leveraged partitioning, bucketing, and caching techniques to reduce data-processing runtime by 40%.Built data-validation and schema-enforcement frameworks in AWS Glue using Python and DynamicFrames to guarantee accuracy, consistency, and com
  • N
    Big Data Engineer
    NextEra Energy
    May 2018 - Jul 2020 (2 years 3 months)
    Designed and developed robust ETL pipelines for ingesting, transforming, and loading large-scale structured and unstructured data.Built and optimized cloud-based data warehouses and data lakes on AWS for scalable analytics.Implemented real-time streaming pipelines using Apache Kafka, Kinesis, or Spark Streaming for low-latency data processing.Engineered batch and micro-batch processing frameworks using Apache Spark, PySpark, and Hadoop for high-volume datasets.Developed data models using star, snowflake, and normalized schemas to support reporting and analytics.Automated workflow orchestration and scheduling using Apache Airflow, Oozie, or AWS Step Functions.Implemented data validation and quality checks to ensure accuracy, completeness, an
Education verified_user 0% verified
  • Illinois Institute of Technology
    Master's in Computer Science
    Illinois Institute of Technology
    Aug 2023 - May 2025 (1 year 10 months)
    Chicago, IL