krishna Sai Senapathi

Data Analyst

Visakhapatnam, Andhra Pradesh, India 2+ yrs exp 90 · Outstanding

About

Data Analyst with hands-on experience in SQL, Tableau, and Excel automation, delivering accurate reporting and actionable insights. Skilled in data validation, SLA/TAT compliance, and operational reporting with strong attention to accuracy and deadlines. Practical exposure to SQL (joins, CTEs, window functions, query optimization) through applied projects, while building proficiency in Python (Pandas, NumPy, Matplotlib, Seaborn) via case studies and certifications. Certified in Google Data Analytics (Coursera, 2025) with applied projects in SQL, Tableau, and Python. Experienced in creating dashboards, exploratory data analysis (EDA), and data visualization to derive insights from structured datasets.

Skills & Expertise (39)

Operational Reporting Advanced

8.1/10

Years Exp

validation Advanced

8.0/10

Years Exp

Visualization Advanced

8.0/10

Years Exp

Process Improvements Advanced

7.8/10

Years Exp

Microsoft Excel Advanced

7.5/10

Years Exp

Sales & Revenue Analysis Intermediate

7.0/10

Years Exp

Data Cleaning Intermediate

6.5/10

Years Exp

SQL Intermediate

6.5/10

Years Exp

Python Intermediate

6.0/10

Years Exp

Pandas Intermediate

6.0/10

Years Exp

Tableau Intermediate

5.5/10

Years Exp

Statistical Analysis Intermediate

5.5/10

Years Exp

NumPy Intermediate

5.5/10

Years Exp

ETL Concepts Intermediate

5.0/10

Years Exp

Power BI Intermediate

5.0/10

Years Exp

Business Analysis Intermediate

5.0/10

Years Exp

Stakeholder Reporting Sla Decision Support Process Improvement Git KPI Reporting Data Validation Exploratory data analysis Aggregations Subqueries Window Functions CTEs Joins MySql Dashboard Design MIS Reporting Power Query HLOOKUP VLOOKUP Pivot Tables Seaborn Matplotlib EDA

Work Experience

Operations Associate (Data Validation & Reporting)

WNS Global Services

Mar 2024 - Present

Validated 1,100+ daily records with 99% accuracy using Excel automation, ensuring clean datasets for operational reporting. Built and leveraged Tableau dashboards to monitor KPIs and cross‑check data against historical records, improving reporting accuracy. Designed Excel Pivot Tables and automated workflows, reducing monthly verification time by 20%. Consolidated and backed up 2,000+ user records bi‑weekly, strengthening process control and data integrity. Analyzed error trends in validation checks, recommending process improvements that reduced duplicate records. Communicated corrections to clients (100+ records/day) with transparent reporting, supporting SLA/TAT compliance.