ARUP ACHARYA
Data Analyst
Kolkata,WB
Summary
Data Analyst turning SQL, Python, and BI tools into clear reporting for HR analytics and workforce trends. Builds Power BI and Tableau dashboards, validates source data, and translates complex datasets into actionable findings for business stakeholders. Ready for Data Analyst roles that require strong data quality checks, visualization, and reporting support.
Overview
3
3
Certifications
3
3
years of professional experience
Work History
Programmer Analyst
Cognizant Technology Solutions
09.2023 - Current
- Analyzed workforce trends in Visier and built annual visualizations to support HR reporting and insight generation.
- Managed Visier user access, group permissions, and validation for a large user base to maintain controlled system access.
- Modernized Share of Wallet KPIs by validating Salesforce data and business logic for more accurate sales analytics.
- Developed SQL-based pipelines in Google BigQuery and applied data validation, quality checks, and anomaly detection to improve reliability.
- Executed 50+ test cases per sprint for migrated Crop Science datasets while validating data quality and test coverage.
- Reduced data defects by 15 through validation of migrated Crop Science datasets and tighter quality testing.
- Tested Tableau dashboards and supported KPI verification, data reconciliation, business logic checks, and UI/UX usability reviews across BI reporting.
Programmer Analyst Trainee
Cognizant Technology Solutions
05.2023 - 09.2023
- Resolved [number] data issues per sprint by validating Python and SQL outputs across source tables.
- Designed ETL processes to centralize data from multiple sources and support cleaner downstream analysis.
- Built a language model for drug data analysis as part of an 8-member team.
- Developed Tableau dashboards and BI reports to support data reconciliation, anomaly detection, and governance reviews.
Education
Bachelor of Technology - Computer Science and Engineering
Jalpaiguri Government Engineering College
08-2023
Diploma - Electronics and Telecommunication Engineering
Dr. B. C. Roy Polytechnic
Durgapur05-2019
Skills
Python
SQL
Google BigQuery
Snowflake
Tableau
Data modeling
ETL development
Dimensional modeling
Dashboard development
Data warehouse architecture
Data reconciliation
Business intelligence reporting
KPI development
Data governance
Anomaly detection
Certification
GCP Associate Cloud Engineer – Google Cloud (Udemy)
ACHIEVEMENTS
Received “Seeking Data, Building Knowledge” award for project excellence.
Timeline
Programmer Analyst
Cognizant Technology Solutions
09.2023 - Current
Programmer Analyst Trainee
Cognizant Technology Solutions
05.2023 - 09.2023
Diploma - Electronics and Telecommunication Engineering
Dr. B. C. Roy Polytechnic
Bachelor of Technology - Computer Science and Engineering
Jalpaiguri Government Engineering College