KISHOR M
Dindigul
Summary
Data professional with 4 years of experience in SQL-based data analysis and ETL development, including building scalable data pipelines and implementing SCD Type 2 logic using PySpark. Strong foundation in Artificial Intelligence and Machine Learning, with knowledge of Machine Learning, Deep Learning, NLP, and Generative AI. Experienced in transforming raw data into structured, reliable datasets to enable advanced analytics and intelligent solutions. Seeking an AI/ML-focused role where I can leverage my data engineering expertise and AI knowledge to develop impactful, data-driven solutions.
Overview
4
4
years of professional experience
2
2
Certifications
Work History
ETL Developer
Tata Consultancy Services LTD
08.2025 - Current
- Developed and implemented Slowly Changing Dimension (SCD) Type 2 logic using PySpark to track historical data changes in dimension tables.
- Designed ETL pipelines to capture inserts, updates, and maintain historical records with effective start/end dates and active flags.
- Built scalable data transformation workflows using Spark DataFrames for large-volume datasets.
- Optimized joins and incremental data processing to improve performance and reduce execution time.
- Automated batch ETL jobs and scheduled workflows for periodic data loads.
- Performed data validation and reconciliation to ensure accuracy and consistency of historical data.
- Integrated source systems with data warehouse architecture following best practices.
- Handled error logging, monitoring, and debugging of ETL jobs for production stability.
Production Support/Data Analyst With SQL
Tata Consultancy Services LTD
12.2021 - Current
- Working as a Data analyst for a leading insurance company in India.
- Worked closely with development teams to seamlessly integrate optimized stored procedures into application code
- Develop custom scripts for data extraction, improving data accuracy and reducing processing time by 20%.
- Code Debugging - Reviewed and analyzed error logs to identify root causes of applications for efficient debugging
- Service Level Agreements (SLAs) - Resolved 95% of Level 2 production support incidents with my technical expertise and provided quick issue resolution
Education
Bachelor of Electronics And Communication Engineering -
SSMIET
01.2020
Skills
Python
Accomplishments
- Learning Awards, Fresco Play Miles Award in TCS
- Beyond Performance Awards, Special Achievement Award, Initiatives in TCS
- Awards for Excellence, On the Spot (Team) Award
Certification
IIT Kharagpur Certificate Programme (Hands-on approach to AI for real-world applications)
Timeline
ETL Developer
Tata Consultancy Services LTD
08.2025 - Current
Production Support/Data Analyst With SQL
Tata Consultancy Services LTD
12.2021 - Current
Bachelor of Electronics And Communication Engineering -
SSMIET