Aravind A
Data Engineer | Big Data & Cloud | Optimizing ETL/ELT | AWS | Azure | Apache Spark | Snowflake | Databricks
- Role
- Data Engineer at Citizens
- Location
- Charlotte, NC, US
- LinkedIn followers
- 500 followers
About Aravind A
As a dedicated Data Engineer with 4 years of hands-on experience, I specialize in…
Experience
Data Engineer
Oct 2024 — Present · Charlotte, NC, US
Designed and maintained an AWS data lake on S3 (Raw, Curated), integrating RDS, DynamoDB for structured/semi-structured ETL/ELT ingestion from APIs, flat files, and streams.• Optimized ETL/ELT pipelines using AWS Glue, PySpark, boosting processing speed by 60%. Automated schema discovery for 100K+ datasets with Glue Crawlers, Lambda for event-driven ingestion, and Amazon EMR for 10TB+ big data processing.• Configured enterprise data warehousing with Amazon Redshift and Snowflake, optimizing query performance on 100TB+ datasets using Amazon Athena and DBeaver for SQL-based data exploration, reducing query execution costs by 30%.• Automated ETL/ELT data pipelines with AWS Glue and Step Functions, cutting processing time by 40% and ensuring real-time availability for 1M+ records per hour with Autosys job scheduling.• Established CI/CD pipelines using Jenkins and Git, streamlining deployments while enhancing data transformation, validation, and optimization with MySQL, PL/SQL, Python, and PySpark in distributed environments.
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