Back to Developers
Arun Mahalingam

Arun Mahalingam

Data Analyst

Coimbatore 0+ yrs exp 87 · Excellent

About

Data Analyst with 1+ year of experience in collecting, cleaning, validating, and analyzing large datasets to deliver actionable business insights. Proficient in SQL, Python, Power BI, Excel, and ETL processes. Experienced in developing KPI dashboards, preparing reports, ensuring data quality, and collaborating with stakeholders to support business performance and decision-making. Seeking a full-time Data Analyst role.

Skills & Expertise (24)

Python Intermediate
6.5/10
1
Years Exp
Power BI Intermediate
6.5/10
1
Years Exp
Excel Intermediate
6.5/10
1
Years Exp
Data Cleaning Intermediate
6.0/10
1
Years Exp
ETL Processes Intermediate
6.0/10
1
Years Exp
Pandas Intermediate
5.5/10
1
Years Exp
MySql Intermediate
5.5/10
1
Years Exp
Pivot Tables Intermediate
5.5/10
1
Years Exp
SQL Intermediate
5.5/10
1
Years Exp
Macros Intermediate
5.0/10
1
Years Exp
Matplotlib Intermediate
5.0/10
1
Years Exp
GitHub Intermediate
5.0/10
1
Years Exp
Git Intermediate
5.0/10
1
Years Exp
KPI Modeling Intermediate
5.0/10
1
Years Exp
Data Validation Intermediate
5.0/10
1
Years Exp
Selenium Intermediate
5.0/10
1
Years Exp
Power Query Intermediate
5.0/10
1
Years Exp
NumPy Intermediate
5.0/10
1
Years Exp
Data Modeling Beginner
4.5/10
1
Years Exp
DAX Beginner
4.5/10
1
Years Exp
Subqueries Beginner
4.5/10
1
Years Exp
CTEs Beginner
4.5/10
1
Years Exp
Window Functions Beginner
4.5/10
1
Years Exp
Tesseract OCR Beginner
4.0/10
1
Years Exp

Work Experience

Lead Generation Executive

AMG Insights

Jun 2024 - Feb 2025

Analyzed 500+ B2B exhibition records and automated bulk email campaigns using Python, generating 100+ qualified leads and improving conversion tracking by 30%. Built ETL pipelines using Python and Selenium to extract, clean, validate, and transform 10,000+ records per campaign cycle, ensuring data accuracy and consistency while reducing manual reporting time by 40%. Achieved 70% productivity boost by automating repetitive data tasks, saving an estimated 20+ hours/week across the marketing team. Developed Power BI and Excel dashboards and periodic reports tracking 8+ campaign KPIs, enabling business stakeholders to monitor campaign performance and support data-driven decisions. Performed data quality checks and documented reporting processes to maintain consistency and reliability across campaign datasets.

Data Analyst Intern

Pantech Solutions

Jan 2024 - Apr 2024

Created and optimized SQL queries involving joins, aggregations, subqueries, and CTEs for data extraction and analysis, reducing data preparation time by 30%. Visualized dataset distributions and trends using Matplotlib, supporting analytical reporting and stakeholder presentations. Developed interactive dashboards and ad-hoc reports using Power BI and Excel to identify trends and communicate insights to stakeholders.

Education

Bachelor of Engineering in Mechanical Engineering - Sona College of Technology

- 2021 · Afghanistan

Certifications

SQL, Pandas & Data Visualization Micro-Certifications

Kaggle · 2025

Data Analytics Internship Certificate

Pantech Pro-labs India Pvt. Ltd. · 2024

Python – Zero to Mastery

· 2023

SQL – MySQL for Data Analytics and Business Intelligence

· 2023

Microsoft Excel – Excel from Beginner to Advanced

Udemy · 2021

Interested in this developer?

Profile Score Breakdown

📷 Photo 10/10
📄 Resume 10/10
💼 Job Title 10/10
✍️ Bio 10/10
🛠️ Skills 20/20
🎓 Education 10/10
⏱️ Experience 7/15
💰 Rate 0/5
🏆 Certs 5/5
Verified 5/5
Total Score 87/100

Profile Overview

Member sinceJul 2026