Summary
Overview
Work History
Education
Skills
Work Availability
Timeline
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Indumathi Sarathi

Data Engineer
Chennai

Summary

An accomplished Data Engineer with over four years of technical experience in Finance projects, I specialize in ETL development, big data processing (PySpark), AWS services, and database administration. My expertise includes crafting robust ETL solutions and optimizing AWS-based production environments. Proficient in SQL, I design and maintain scalable data pipelines to ensure high data quality and performance leveraging AWS services like Redshift Serverless, EMR, Step Function, Lambda among others. I’m committed to continuous learning and thrive in team bonding activities.

Overview

4
4
years of professional experience
3
3
Languages
4
4
years of post-secondary education

Work History

Data Engineer

Sopra Steria
08.2022 - 01.2025
  • Designed and managed ETL data pipelines using AWS services such as Lambda, Glue, EMR, and Step Functions, ensuring scalable and high-performance data workflows.
  • Involved in migration of applications from the Talend ETL platform to a fully AWS-native architecture, enhancing performance, maintainability, and cost-efficiency.
  • Proficient in big data processing leveraging Python and PySpark for complex data transformations and high-volume data operations.
  • Engineered seamless data ingestion into AWS Redshift (Data Warehouse) and Aurora (Data Lake), optimizing storage and retrieval processes.
  • Executed comprehensive end-to-end testing strategies to ensure the reliability, accuracy, and resilience of data solutions in production.
  • Implemented CI/CD pipelines using Jenkins to trigger and schedule adhoc Lambda-based batch processing, streamlining deployment and reducing manual effort.
  • Employed GitLab for version control and collaborative development, maintaining a centralized and secure codebase.
  • Designed interactive dashboards in Tableau to deliver actionable insights to business stakeholders and support data-driven decision-making.
  • Practiced Agile Scrum methodologies, actively using JIRA for sprint planning, progress tracking, and effective project delivery.

Career Break

Personal
10.2019 - 07.2022

ETL Developer

Mphasis
06.2018 - 09.2019
  • Deployed jobs for many day-to-day critical batch processing jobs with complex transformation logics and validations successfully.
  • Expertise in Data modeling techniques like Data Modeling- Dimensional/ Star Schema and Snowflake modeling, Slowly Changing Dimensions (SCD Type 1, Type 2, and Type 3).
  • Created mappings using Lookup, Aggregator, Joiner, Expression, Filter, Router, Update strategy and Normalizer Transformations. Developed reusable Transformation and Maplets.
  • Created Implicit, local, and global Context variables in the job. Worked on Talend Administration Console(TAC).
  • Used Jenkins CI/CD Pipeline for pushing and pulling up the project in Git Repository.
  • Used tParalleize component and multi thread execution option to run subjobs in parallel which increases the performance of a job.
  • Used tRunJob to run child job from a parent job and to pass parameters from parent to child job.
  • Created Context Variables and Groups to run Talend jobs against different environments.

Education

B.Tech - Information Technology -

R.M.D Engineering College
Chennai
06.2014 - 05.2018

Skills

ETL

Work Availability

monday
tuesday
wednesday
thursday
friday
saturday
sunday
morning
afternoon
evening
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Timeline

Data Engineer

Sopra Steria
08.2022 - 01.2025

Career Break

Personal
10.2019 - 07.2022

ETL Developer

Mphasis
06.2018 - 09.2019

B.Tech - Information Technology -

R.M.D Engineering College
06.2014 - 05.2018

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Indumathi SarathiData Engineer