Summary
Overview
Work History
Education
Skills
Languages
Certification
Accomplishments
Timeline
Generic

RAJESH SK

Kolkata

Summary

Experienced ETL Test Engineer specializing in data validation, ETL testing, and automation scripting. Delivered quality assurance across database migration projects and automated testing processes, ensuring data integrity and compliance. Expertise in CI/CD pipelines supports efficient and reliable data management.

Overview

4
4
years of professional experience
1
1
Certification

Work History

ETL / Big Data Test Engineer (Mar 2022 – Present)

Tata Consultancy Services (TCS), Kolkata
Kolkata
02.2022 - Current

Performed Data validation between HBase and Hive / Hive and Elastic layer as per business requirements.
 Compared semi-structured and structured data for multiple business requirements. Like comparing flat file,
csv, json, xml etc with database.
 Involved in preparing and running Automation Test Cases and Queries for Validating the data between
HBase and target table/source table and target table in Python Automation framework.
 Prepared Test Data/ Fix messages according to the logic provided in mapping documents for testing.
 Running the Autosys Jobs/Workflow for ETL process.
 Worked on DB2 to Oracle Data Migration project and as part of the project validated inbound and
outbound files. And validated fact tables, dimensional tables, views and materialized views in between
DB2 and oracle database.
 Did code push via git commands into bitbucket.
 Validated pipelines in CI /CD environment.
 Did entitlement check for client specific datasets using the response in Postman for respective users.
 Participate in sprint planning, daily scrums, retrospective AGILE activities.

Education

M.Tech -

M.Tech – Aliah University (2023) | CGPA: 8.87
Kolkata
06-2023

B.Tech -

B.Tech – Aliah University (2020) | CGPA: 7.10
Kolkata
12-2020

Skills

  • ETL testing
  • ETL processes
  • Big data analysis
  • Data migration
  • Database migration
  • Data quality assurance
  • Data validation
  • SQL proficiency
  • Automation scripting
  • CI/CD pipelines
  • Data system architecture
  • Defect management
  • Data risk assessment
  • Problem-solving
  • Python
  • JIRA

Languages

English
Proficient (C2)
C2
Hindi
Proficient (C2)
C2
Bengali
Proficient (C2)
C2

Certification

ISTQB Foundation Level

Accomplishments

Top Performer Award 2024

Timeline

ETL / Big Data Test Engineer (Mar 2022 – Present)

Tata Consultancy Services (TCS), Kolkata
02.2022 - Current

M.Tech -

M.Tech – Aliah University (2023) | CGPA: 8.87

B.Tech -

B.Tech – Aliah University (2020) | CGPA: 7.10
RAJESH SK