Summary
Overview
Work History
Education
Skills
Accomplishments
Timeline
Projects And Impact
Technical Skills
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MOHANAARAVIND L

MOHANAARAVIND L

Bangalore

Summary

Results-driven Data Engineer with 4.5+ years of experience designing and optimizing cloud data workflows using Snowflake, dbt, SQL, and Python. Proven track record in leading cloud data migrations, transforming legacy ETL pipelines to scalable ELT frameworks, and developing high-quality data integration pipelines using tools like SnapLogic. Offering highly analytical mindset and passion for leveraging data to solve complex problems, eager to learn and grow within dynamic team. Brings foundational understanding of data systems and database design that can be quickly developed through hands-on experience. Ready to use and develop skills in SQL and Python in Data Engineer role.

Overview

4
4
years of professional experience
4
4
years of post-secondary education

Work History

Data Engineer

Tata Consultancy Services
01.2021 - Current
  • Contributed to the cloud migration of Teradata on-premise databases to Snowflake, assisting in performance optimization and scalability improvements, and helped transform 100+ procedures and 300+ views from Teradata SQL to Snowflake SQL.
  • Designed and developed data integration pipelines between Snowflake and Salesforce using Snaplogic, ensuring seamless and accurate data flow.
  • Spearheaded the transformation of ETL to ELT, migrating legacy Datastage workflows to Data Build Tool (dbt) for improved data processing efficiency. Maintained audit records and implemented automated Data Quality Checks (DQC) before and after data loading to ensure integrity.
  • Introduced automated reconciliation processes and metadata-driven logic to increase observability and trust in business data.
  • Collaborated with agile teams, adhering to CI/CD best practices using Github and Gitlab for version control, testing, and deployment.
  • Actively participated in requirement analysis, data modeling, and documentation efforts to ensure transparent and maintainable engineering practices.

Education

B.E. - Mechanical Engineering

PPG Institute of Technology
01.2016 - 01.2020

Higher Secondary (HSC) - undefined

AGN Matric Hr Sec School
Konganapuram, Tamil Nadu

Skills

Python

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Accomplishments

  • Star of the Quarter, 10/01/25, Recognized for outstanding contributions to data engineering and process optimization.
  • Star of the Month, 10/01/24, Awarded for excellence in data migration, integration, and automation.
  • Star of the Month, 12/01/23, Awarded for excellence in data migration, integration, and automation.
  • Expert Recognition, Acknowledged for proficiency in Snowflake, dbt, and Data Engineering best practices.

Timeline

Data Engineer

Tata Consultancy Services
01.2021 - Current

B.E. - Mechanical Engineering

PPG Institute of Technology
01.2016 - 01.2020

Higher Secondary (HSC) - undefined

AGN Matric Hr Sec School

Projects And Impact

  • Cloud Migration, Converted Teradata objects to Snowflake, ensuring optimized SQL performance and seamless data transition. Migrated Teradata Warehouse to Snowflake Warehouse.
  • Data Integration, Developed Snaplogic pipelines connecting Snowflake & Salesforce, improving data reliability and operational efficiency.
  • ETL to ELT, Migrated Datastage workflows to Data Build Tool (dbt), reducing processing time by 40% and enhancing data transformation capabilities.

Technical Skills

Python, SQL, Snowflake SQL, Snowflake, dbt (data build tool) ELT, SnapLogic (ETL/ELT), Python ETL Scripting, AWS Glue, AWS S3, ControlM, Airflow, Snowflake Tasks & Streams, GitHub, dbt Tests, Information Schema checks, Reconciliation scripts, Excel, Power Query, PowerBI
MOHANAARAVIND L