Amar Reddy
Ab Initio Developer @American Express
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WORK HISTORY
Ab Initio Developer @American Express
NY, US
ABOUT AMAR REDDY
Senior Data Engineer with 8+ years of experience in designing, developing, and optimizing scalable ETL/ELT data pipelines and enterprise data platforms. Strong expertise in Ab Initio, Data Engineering, Big Data Processing, Data Warehousing, Data Modeling, and Cloud Data Architecture across AWS environments. Extensive hands-on experience with Ab Initio, Unix, Shell Scripting, Data Warehousing, Hadoop, Kafka, SQL, Oracle, Teradata, PySpark, Apache Spark, and Python for building high-performance batch and real-time data integration solutions. Proficient in developing data lakes, data warehouses, and distributed data processing systems handling large-scale structured and unstructured datasets. Core competencies include: • ETL/ELT Development & Optimization • Data Pipeline Architecture & Orchestration • AWS (S3, Glue, EC2, IAM, Redshift) • PySpark, Spark SQL, Python, SQL • Data Modeling (Star Schema, Snowflake Schema) • Data Governance, Data Quality & Metadata Management • Performance Tuning & Query Optimization • CI/CD for Data Pipelines • Automation & Cloud-Native Solutions Experienced in designing fault-tolerant, scalable, and reusable data frameworks aligned with data governance and security standards. Strong collaboration with cross-functional teams to translate business requirements into robust data solutions supporting Business Intelligence (BI), Reporting, Analytics, and Digital Transformation initiatives.
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