Ajith Ramesh
Chennai
Summary
Results-driven Data Engineer with expertise in big data processing frameworks such as Hadoop and Apache Spark. Proficient in SQL database management and Pyspark pipeline creation, consistently achieving cost reductions and improved job execution efficiency. Strong problem-solving abilities and collaborative skills utilized to develop innovative data solutions across various environments.
Overview
5
5
years of professional experience
1
1
Certification
Work History
Deputy Manager in Data Engineering
TVS Credit Service Limited
Chennai
01.2025 - Current
- Managed daily operations and maintained workflow efficiency in financial services.
- Created pipelines to extract, perform a business transformation, and load it into various databases or file formats.
- Efficiently use AWS and OCI clouds to automate and schedule the pipelines.
- Build a Python-related tool to streamline the bureau submission process across the team, and save costs for organizations.
- Using the LLM models, I have created a plain text for the SQL script generation and displayed the results of the script.
- I have optimized the financial-related data job run time from 6 hours to 1 hour, using the Spark jobs to efficiently deliver reports before the expected time.
Associate Data Engineer
Cognizant Technologies India Pvt. Ltd.
Chennai
12.2020 - 12.2024
- Developed Python and Spark jobs for data transformation, generating outbound files in various formats.
- Managed data ingestion and transformation jobs using Amazon Redshift and Amazon Athena for rapid analytics.
- Created scalable data transformation pipelines with AWS Glue and Apache Spark to process large datasets efficiently.
- Automated ETL workflows leveraging AWS Step Functions and AWS Lambda for seamless orchestration.
- Designed SSIS packages to fulfill business requirements and deployed them on SQL Server for daily execution.
- Developed database objects, including stored procedures, functions, and packages aligned with business needs.
- Migrated on-premises SQL Server ETL processes to AWS, converting SSIS packages into Glue jobs for improved scalability.
- Analyzed and resolved field bugs to enhance system reliability.
Education
Bachelor of Information Technology -
NANDHA COLLEGE OF TECHNOLOGY
Erode07-2020
Skills
- Python
- Data ingestion
- Data transformation
- Oracle Cloud
- Amazon Redshift
- Amazon Athena
- AWS Glue
- Apache Spark
- Big data processing
- Amazon S3
- Airflow
- ETL workflows
- AWS Step Functions
- AWS Lambda
- SSIS package design
- mysql
- Job management
- Troubleshooting
- Client relationship management
- Leadership
- Resourcefulness
- Teamwork
Certification
- AWS cloud practitioner certified.
- Python, Spark, and big data processing certified on Udemy.
Academic Highlights
- Bachelor of Information Technology, Nandha College of Technology, Erode.
Languages
Tamil
First Language
English
Advanced (C1)
C1
Timeline
Deputy Manager in Data Engineering
TVS Credit Service Limited
01.2025 - Current
Associate Data Engineer
Cognizant Technologies India Pvt. Ltd.
12.2020 - 12.2024
Bachelor of Information Technology -
NANDHA COLLEGE OF TECHNOLOGY