Aarav Rattan

Data Analyst

Delhi 1+ yrs exp 83 · Excellent

About

Data Analyst with 1.5+ years of experience across energy, supply chain, and financial domains. Skilled in Python, SQL, and Power BI with a track record of data cleaning, data validation, stakeholder reporting, and predictive modelling that delivered measurable business outcomes. Pursuing MBA in Data Science & AI.

Skills & Expertise (32)

Pandas Intermediate

6.5/10

1.5

Years Exp

NumPy Intermediate

6.5/10

1.5

Years Exp

Python Intermediate

6.5/10

1.5

Years Exp

SQL Intermediate

6.5/10

1.5

Years Exp

Data Cleaning Intermediate

6.5/10

1.5

Years Exp

Data Validation Intermediate

6.5/10

1.5

Years Exp

Data Wrangling Intermediate

6.5/10

1.5

Years Exp

Excel Intermediate

6.5/10

1.5

Years Exp

EDA Intermediate

6.5/10

1.5

Years Exp

VS Code Intermediate

6.0/10

1.5

Years Exp

Feature Engineering Intermediate

6.0/10

1.5

Years Exp

Statistical Analysis Intermediate

6.0/10

1.5

Years Exp

Predictive Modelling Intermediate

6.0/10

1.5

Years Exp

Time-Series Intermediate

6.0/10

1.5

Years Exp

A/B testing Intermediate

6.0/10

1.5

Years Exp

Logistic Regression Intermediate

6.0/10

1.5

Years Exp

Random Forest Intermediate

6.0/10

1.5

Years Exp

Linear Regression Intermediate

6.0/10

1.5

Years Exp

Jupyter Intermediate

6.0/10

1.5

Years Exp

GitHub Intermediate

6.0/10

1.5

Years Exp

Git Intermediate

6.0/10

1.5

Years Exp

Power Query Intermediate

6.0/10

1.5

Years Exp

Pivot Tables Intermediate

6.0/10

1.5

Years Exp

Power BI Intermediate

6.0/10

1.5

Years Exp

Query Optimization Intermediate

6.0/10

1.5

Years Exp

Aggregations Intermediate

6.0/10

1.5

Years Exp

Subqueries Intermediate

6.0/10

1.5

Years Exp

Window Functions Intermediate

6.0/10

1.5

Years Exp

CTEs Intermediate

6.0/10

1.5

Years Exp

SQL joins Intermediate

6.0/10

1.5

Years Exp

scikit-learn Intermediate

6.0/10

1.5

Years Exp

Matplotlib Intermediate

6.0/10

1.5

Years Exp

Work Experience

Backend Operations Analyst (Data & Reporting)

Zouma Consulting Services

Oct 2024 - Jan 2026

Cleaned and validated UK housing & EPC energy datasets (5,000+ records) fixed null ratings, duplicates, and unit mismatches; improved downstream reporting reliability by ~25%. Automated EPC trend reports across 500+ properties, translating efficiency ratings into a prioritised retrofit action list that informed client investment decisions and cut ad-hoc stakeholder requests by ~30%. Conducted EDA on energy performance data and presented findings to stakeholders, supporting data-driven property prioritisation strategy.

Education

MBA in Data Science and Artificial Intelligence (Online) - Chitkara University

2025 - · Afghanistan

BA(Hons) Economics with Data Science - Chitkara University

2022 - 2025 · Afghanistan

Certifications

No certifications added yet

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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 8/15

💰 Rate 0/5

🏆 Certs 0/5

✅ Verified 5/5

Total Score 83/100

Profile Overview

Member sinceJul 2026

Availability Details

Visa Status

Citizen

Relocation

Open to Relocation

Skills (32)

Click a skill to find developers with the same skill

Pandas NumPy Python SQL Data Cleaning Data Validation Data Wrangling Excel EDA VS Code +22 more

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