VISHNU DEVA DUBEY
Summary
Analytical and results-oriented Data Analyst with over 3 years of experience in data extraction, analysis, and visualization. Skilled in SQL, Power BI, Python, and Excel, with a proven ability to transform large datasets into actionable insights and automate reporting workflows. Adept at improving business processes and supporting data-driven decision-making across telecom and enterprise systems.
Overview
4
4
years of professional experience
Work History
Data Analyst
Wipro Limited
02.2022 - Current
- Extracted, cleaned, and analyzed datasets from CRM, Billing, and Order Management systems.
- Created dashboards and KPI reports using Power BI, Tableau, and Excel to monitor business performance.
- Wrote optimized SQL and PL/SQL queries to generate insights and improve reporting accuracy.
- Automated weekly and monthly data extraction scripts using Bash scripting, crontab, and mailx.
- Collaborated with cross-functional teams (Marketing, IT, Customer Care) to support data-driven decisions.
- Conducted root cause analysis for billing discrepancies and service issues using large BSS datasets.
- Supported regulatory and compliance reporting by extracting key metrics from relational databases.
- Involved in data migration, transformation, and validation activities during system integrations.
Education
Bachelor of Technology (B.Tech) - Electronics and Communication Engineering
United Institute of Technology
01.2021
Intermediate - undefined
Maharishi Patanjali Vidya Mandir
01.2017
Skills
- Languages: Python, SQL, PL/SQL, Shell Scripting (Bash)
- Databases: PostgreSQL, Oracle, MySQL, Vertica, Hive, MongoDB
- Tools & BI Platforms: Power BI, Tableau, Qlik Sense, Excel, Talend
- Version Control & Collaboration: Git, GitHub, Jira, Bitbucket
- Operating Systems: Linux, Unix, Windows
- Automation: Crontab, mailx, sendmail
- Other Skills: ETL processes, Data Cleaning, Data Validation, Reporting Automation, Statistical Analysis
Accomplishments
- Improved data processing speed by 30% through SQL query optimization.
- Automated monthly reporting, saving 20+ hours of manual effort per month.
- Achieved 98% accuracy in data migration and cleansing projects.
- Built a predictive model that increased decision accuracy by 25% for business strategy planning.
Timeline
Data Analyst
Wipro Limited
02.2022 - Current
Intermediate - undefined
Maharishi Patanjali Vidya Mandir
Bachelor of Technology (B.Tech) - Electronics and Communication Engineering
United Institute of Technology
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