Aravindha Krishna Tn
Data Engineer | ETL Developer
- Role
- Etl Developer at Cognizant
- Location
- Coimbatore, TN, IN
- LinkedIn followers
- 500 followers
About Aravindha Krishna Tn
Data Engineer with 3+ years of experience in building scalable ETL/ELT pipelines and managing data workflows across cloud and on-premise environments. Skilled in designing efficient data solutions that support analytics, reporting, and business intelligence initiatives. Troubleshoot & resolve issues like data‐related issues, database performance, database capacity and others· Background includes data warehousing and analytics.Focused on delivering reliable, high-performance data systems to enable data-driven decision-making and operational efficiency.
Experience
Etl Developer
Nov 2021 — Present
Designed and implemented end-to-end ETL pipelines in Informatica. • Developed and deployed new data tables and automated ETL jobs in Wherescape, improving data availability and supporting faster business reporting. • Optimized existing ETL workflows in Informatica and Wherescape, reducing job failures and improving run times for critical data processes. • Developed complex SQL queries and stored procedures to transform and aggregate data from various sources. • Designed and managed scalable ETL pipelines using Talend to extract, transform and load into • PostgreSQL and Redshift for healthcare data solutions. • Optimized ETL Performance by tuning SQL queries, partitioning data, and implementing index strategies, resulting in a significant reduction in processing time and resource utilization. • Documented technical specifications, data mappings, and workflow diagrams to facilitate knowledge transfer and ensure system sustainability. • Created and modified various packages and procedures according to new business needs and carried out impact analysis. • Worked on incidents and tickets raised in Jira and Service Now, providing solutions to business requirements and issues, resolving them within the given period
Education
Excel Engineering College
Bachelor of Engineering, Aerospace, Aeronautical and Astronautical/Space Engineering
2017 — 2021
G.K.D Matric Higher Secondary School
High School Diploma
G.K.D Matric Higher Secondary School
12th Standard
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