Summary
Overview
Work History
Education
Skills
Certification
Timeline
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Nishkarsh Mishra

Nishkarsh Mishra

Varanasi

Summary

Dynamic Data Engineer with experience at Cognizant, excelling in AWS services and data integration. Spearheaded an ETL initiative that archived over 150 databases, ensuring data integrity and operational efficiency. Proficient in SQL and skilled in team collaboration, I thrive in managing complex data ecosystems and delivering impactful results.

Overview

4
4
years of professional experience
1
1
Certification

Work History

Associate Data Engineer

Cognizant
Bangalore
08.2021 - Current
  • Led a pivotal ETL initiative that preserved data integrity during the decommissioning of 150+ legacy databases, impacting over 3,000 tables and 500+ critical business files.
  • Utilized Syncsort, AWS S3, Athena, AWS Glue, AWS CLI, and Linux to streamline workflows, resulting in a 40% reduction in manual data handling efforts and zero data loss incidents.
  • Implemented robust Linux-based automation scripts that ensured continuous validation and verification of data pipelines, improving process reliability by 30%.
  • Leveraged Amazon S3 and Athena to build a scalable data retrieval layer, enabling 90% faster querying and access to archived datasets for audit and compliance teams.
  • Played a key role in ensuring 100% compliance with data retention policies, showcasing expertise in managing complex, large-scale data ecosystems.
  • Demonstrated strong proficiency in AWS services and Linux environments, contributing to a 25% increase in operational efficiency and reducing system overhead.
  • Mentored and trained junior team members on AWS data tools and ETL best practices, accelerating onboarding and improving overall team productivity by 20%.

Education

Master of Computer Applications -

Graphic Era Hill University
06-2021

Bachelor of Computer Applications -

Swami Vivekanand Subharti University
04-2018

Skills

  • AWS services (CLI, Glue, S3, Athena)
  • PySpark and Databricks
  • Generative AI & Prompt Engineering
  • Database management (MySQL, MS SQL, Oracle)
  • Data integration (Syncsort, ETL processes)
  • Linux operating system
  • Microsoft Office suite
  • Data visualization (QuickSight, Redshift Spectrum)
  • Programming languages (Java, Python, C, C)
  • SQL querying and analysis
  • Team Colaboration and Problem Solving

Certification

  • Mastering AWS Glue, QuickSight, Athena & Redshift Spectrum
  • Fundamentals of Gen AI
  • Generative AI -NVIDIA
  • ChatGPT & Prompt Engineering
  • Continuous Testing with AWS
  • GSI NVIDIA Technologies Curriculum

Timeline

Associate Data Engineer

Cognizant
08.2021 - Current

Master of Computer Applications -

Graphic Era Hill University

Bachelor of Computer Applications -

Swami Vivekanand Subharti University

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Nishkarsh Mishra