Summary
Overview
Work History
Education
Certification
Contact Address
Timeline
Generic
Karthika Selvam

Karthika Selvam

Data Engineer
Chrompet

Summary

Experienced technologist with 7 years of expertise in ETL, BigQuery, and Pyspark. Proven track record in successfully migrating Informatica Powercenter jobs to AWS Glue and GCP BigQuery. Skilled in writing Regex logics for identifying PII information and translating classification requirements into rules. Accomplished in refining classification rules based on test results. Worked as a Big Data Specialist for Ingestion Phase using AllSight and also served as a QA analyst for product releases.

Overview

7
7
years of professional experience
4
4
years of post-secondary education
1
1
Certification

Work History

Big Data Specialist

Mastech InfoTrellis
07.2017 - 05.2024


AWS Glue:

Led the migration of Informatica Powercenter jobs to AWS Glue jobs using Pyspark

GCP BigQuery:

Successfully migrated Informatica Powercenter jobs to GCP utilizing BigQuery.

Responsible for task execution in Apache Airflow. Used Airflow for the orchestration of the pipelines

ETL:

Served as an Enterprise Integration Specialist for production support using Informatica Powercenter and Datastage.

BIG ID:

Developed Regex logics to identify PII information.

Translated classification requirements into rules and fetched required data sets using Regex.

Refined classification rules based on test results.

Informatica Customer 360 Insights 3 (formerly AllSight):

Worked as a Big Data Specialist for the Ingestion Phase of customer data using AllSight.

QA analyst for AllSight product releases.


Data Engineer

Capgemini
05.2024 - Current


  • Migration of Talend jobs to Databricks using Pyspark
  • Accomplished multiple tasks within established timeframes.


Education

B.tech Computer Science and Engineering -

SASTRA University
06.2013 - 05.2017

Certification

SnowPro Core Certification

Contact Address

77A, Surya Avenue, 3rd Street, Chennai, Tamil Nadu, 600044

Timeline

Data Engineer

Capgemini
05.2024 - Current

Big Data Specialist

Mastech InfoTrellis
07.2017 - 05.2024

B.tech Computer Science and Engineering -

SASTRA University
06.2013 - 05.2017
Karthika SelvamData Engineer