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Karthi Karthi

Karthi Karthi

Data Analyst

Chennai, India
80
Profile Score

About

Detail-oriented Data Analyst with hands-on experience in SQL, Power BI, Excel, and Python for data cleaning, data transformation, dashboard development, and KPI reporting. Skilled in building interactive dashboards, performing cohort analysis, funnel analysis, and translating complex datasets into actionable business insights. Proficient in DAX, Power Query, and data modeling. Adept at collaborating with cross-functional teams and presenting data-driven recommendations to support business decision-making.

Skills & Expertise (33)

SQL Advanced
8.8/10
5
Years Exp
Data Visualization Advanced
8.4/10
4
Years Exp
Power BI Intermediate
8.1/10
2
Years Exp
Python Intermediate
7.2/10
3
Years Exp
Data Storytelling Data Transformation Data Pipeline Support ETL Concepts Trend Analysis MySQL WorkBench GitHub Figma Data Modeling Attention to Detail Cross-Functional Collaboration Problem Solving Basic Python HTML CSS Data Cleaning KPI Reporting A/B testing Funnel Analysis Cohort Analysis Google Sheets VLOOKUP Pivot Tables Excel Power Query DAX NumPy Pandas MySql

Work Experience

Data Analyst

HR Attrition Analytics Dashboard

Present - Present

Collected, cleaned, and preprocessed 1,400+ employee records in MySQL — resolved missing values, duplicates, and data inconsistencies ensuring high data accuracy and integrity. Performed cohort-level SQL analysis to segment employee attrition by Department, Job Role, Age Group, Salary Band, and Overtime — identified key retention risk patterns. Built interactive Power BI dashboard with DAX measures tracking Attrition Rate, Average Salary, and Headcount KPIs; implemented drill-down filters for stakeholder self-service reporting. Delivered actionable insights and data-driven recommendations that mirror user-journey and engagement analysis required in product analytics roles.

Data Analyst

Amazon Sales Performance Dashboard

Present - Present

Processed and modeled raw transactional e-commerce data using Power Query; engineered date, category, and region dimensions for accurate multi-dimensional analysis. Created DAX measures for revenue, profit margin, Month-over-Month growth, and category performance; designed drill-down dashboards with dynamic slicers for non-technical users. Identified top-performing product categories and low-margin regions, producing actionable business recommendations from data — demonstrating end-to-end analytical capability.

Data Analyst

Customer Sales & Trend Analysis

Present - Present

Cleaned and transformed multi-source sales datasets in Excel and Power Query; built pivot-based cohort summaries to track customer purchase frequency and high-value segments. Delivered Power BI dashboards highlighting revenue trends and growth opportunities; presented findings clearly to simulate business stakeholder reporting workflows.

Education

Bachelor of Computer Applications (BCA) - S.I.V.E.T College

- · Afghanistan

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Profile Score Breakdown

📷 Photo 10/10
📄 Resume 10/10
💼 Job Title 10/10
✍️ Bio 10/10
🛠️ Skills 20/20
🎓 Education 10/10
⏱️ Experience 5/15
💰 Rate 0/5
🏆 Certs 0/5
Verified 5/5
Total Score 80/100

Profile Overview

Member sinceMar 2026

Skills (33)

SQL Data Visualization Power BI Python Data Storytelling Data Transformation Data Pipeline Support ETL Concepts Trend Analysis MySQL WorkBench +23 more