Vinod Kumar Chennaram
Wixom
Overview
3
3
years of professional experience
1
1
Certification
Work History
Analyst
Teleperformance Global Services Pvt. Ltd.
01.2021 - 11.2023
- Analyzed 100K+ customer feedback records using SQL and Python, identifying key performance gaps and trends to improve satisfaction metrics.
- Delivered actionable insights that led to an 18% increase in customer satisfaction scores and enhanced decision-making efficiency.
- Designed and maintained interactive Tableau dashboards, enabling business teams to track agent productivity, resolution trends, and customer satisfaction in real time, reducing manual reporting by 40%.
- Built and optimized ETL workflows integrating CRM, survey, and feedback data using Python, SQL, and Talend, improving data accuracy and reducing inconsistencies by 30%.
- Automated Python scripts and SQL queries for data cleaning, validation, and aggregation, reducing manual effort and enabling real-time insights.
- Collaborated with cross-functional teams, including product managers, engineers, and operations, to streamline feedback analytics and reduce report turnaround time by 35%.
- Conducted training sessions for junior analysts on data visualization best practices, dashboard creation, and SQL automation, enhancing team efficiency.
Predictive Analytics on E-commerce Customer Behavior — Master’s Course Project
- Collected and integrated ~60K e-commerce transaction and behavioral records from public datasets to support data-driven analysis.
- Cleaned and transformed data using Python and SQL, handling missing values, outliers, and inconsistent formats.
- Performed exploratory data analysis to uncover trends in customer purchase frequency and product preferences, informing targeted marketing efforts.
- Developed a machine learning model to predict high-value and repeat customers, achieving 82% test accuracy.
- Designed interactive Tableau dashboards to effectively visualize customer segments and product trends, guiding marketing strategies.
- Designed scalable, high-performance applications with multithreading and ORM frameworks.
- Conducted performance tuning, database indexing, and query optimization, ensuring efficient handling of large-scale enterprise data sets.
Education
Master of Science - Information Systems
Central Michigan University
Michigan, USA12-2025
Skills
- SQL databases and MySQL
- Excel expertise and VBA automation
- Python programming and Pandas
- Data visualization with Tableau and Power BI
- Data cleaning techniques
- Data modeling and warehousing
- KPI dashboard creation
- Report automation processes
- Ad-hoc analysis
- Predictive insights generation
- Data storytelling strategies
- Data pipeline development
- ETL with Alteryx and Talend
- SSIS integration
- AWS cloud services
- REST API integration
- Salesforce data integration
- Git version control and GitHub collaboration
- JIRA project management
- Confluence documentation tools
- Agile and Scrum methodologies
- Matplotlib and Seaborn
Certification
- Tableau Desktop Specialist (or in progress)
- SQL for Data Analytics
- Python for Data Science
Technical Skills
Tableau, Power BI, Advanced Excel (Pivot Tables, Power Query, Power Pivot), Pandas, NumPy, Matplotlib, Seaborn, Python (Pandas, NumPy, Matplotlib), SQL (MySQL, PostgreSQL, SQL Server), Excel VBA, Alteryx, Talend, SSIS, Data Modeling, Data Cleaning, Data Warehousing, Data Pipelines, MySQL, PostgreSQL, SQL Server, Snowflake, Oracle, KPI Dashboards, Report Automation, Data Storytelling, Ad-hoc Analysis, Predictive Insights, AWS (S3, Lambda, RDS), REST APIs, Salesforce Data Integration, Git, GitHub, JIRA, Confluence, Agile/Scrum Methodologies
Timeline
Analyst
Teleperformance Global Services Pvt. Ltd.
01.2021 - 11.2023
Predictive Analytics on E-commerce Customer Behavior — Master’s Course Project
Master of Science - Information Systems
Central Michigan University