KARTHICK Sellappan

Entry-level Data Analyst

Namakkal

Profile Score

About

Detail-oriented Data Analyst with internship experience in analyzing large, structured datasets using Python, SQL, Excel, and Power BI. Strong in data cleaning, exploratory data analysis (EDA), Market Basket Analysis, and association rule mining to uncover actionable business insights. Hands-on experience with real-world retail data (Instacart) and analytical reporting. Adept at transforming raw data into meaningful insights to support data-driven decision-making. Seeking an entry-level Data Analyst role to contribute analytical and problem-solving skills.

Skills & Expertise (14)

Problem-solving Intermediate

7.5/10

Years Exp

Time-management Intermediate

7.5/10

Years Exp

Python Intermediate

7.0/10

Years Exp

Data Cleaning Intermediate

7.0/10

Years Exp

Pandas Intermediate

7.0/10

Years Exp

Excel Intermediate

6.8/10

Years Exp

Exploratory Data Analysis (EDA) Intermediate

6.8/10

Years Exp

Jupyter Notebook Intermediate

6.8/10

Years Exp

SQL Intermediate

6.5/10

Years Exp

NumPy Intermediate

6.5/10

Years Exp

Power BI Beginner

5.8/10

Years Exp

Market Basket Analysis Beginner

5.5/10

Years Exp

Association Rules Beginner

5.5/10

Years Exp

mlxtend Beginner

5.5/10

Years Exp

Work Experience

Data Analyst Intern

VCODEZ

Sep 2025 - Dec 2025

Cleaned, validated, and prepared datasets using Python (Pandas) and Excel, improving data consistency and reliability. Analyzed structured datasets to identify trends, patterns, and actionable insights supporting business decisions. Assisted in developing analytical reports and dashboards for internal stakeholders. Collaborated with team members to optimize data workflows and reporting processes. Applied problem-solving and time-management skills while working on real-time analytics tasks.