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@nidhiyadav
I am a Senior Data Engineer specializing in Redshift migrations and data modernization.
I am a results-driven Senior Data Engineer with extensive experience migrating and modernizing large-scale data platforms, including Redshift, RDS/Aurora, and S3-based pipelines. I have led cluster upgrades, query optimizations, and end-to-end ETL conversions such as MARSHA to ACRS and s3-s3 and edb to aurora migrations, while owning Redshift stability, permissions, and ad-hoc operational requests.
I build and maintain orchestration and conversion code, develop SQL and PySpark solutions, and implement access-management and data-refresh processes. I bring a practical, hands-on approach to data modeling, performance tuning, and cross-team delivery, and I seek roles where I can drive cloud data platform reliability and efficiency.
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Work history, roles, and key accomplishments
Marriott International
Nov 2023 - Present (2 years)
Led migration and conversion of large-volume data from MARSHA to ACRS and EDB to Aurora, developing orchestrator workflows and SQL scripts to execute s3-s3 and EDB→Aurora refreshes.
Amazon India
Aug 2022 - Jun 2023 (10 months)
Migrated Redshift and RDS clusters between Airflow orchestrator versions, implemented access management via data groups, cleaned Redshift by removing large scratch tables, and exported system tables to S3 to support analytics.
Poshmark
Oct 2019 - Aug 2022 (2 years 10 months)
Owned Amazon Redshift operations, planned and executed production cluster upgrades and rollbacks, optimized queries to improve performance, and implemented CCPA-related ETL changes with successful testing and deployment.
Degrees, certifications, and relevant coursework
Bachelor of Technology, Biotechnology
Bachelor of Technology in Biotechnology from National Institute of Technology Durgapur.
Software and tools used professionally
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