Hirak

@hirak_bala

Your Data Guy

India
English, Hindi, Bengali
About me
Hi, I’m Hirak, your go-to Data Analyst for turning messy data into clear, actionable insights. Struggling with Excel? Don’t know SQL? Want to clean and transform your data using Python but don’t know where to start? Need a professional dashboard or want to understand what your data is actually telling you? I can help. With expertise in Excel, SQL, Python, Data Cleaning, Data Transformation, Exploratory Data Analysis (EDA), Dashboards, and Machine Learning, I can help you solve your data problems efficiently and accurately. Your data problem → My expertise → A practical solution.... Read more

Skills

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hirak_bala
Hirak
Offline • 
Average response time: 1 hour

See my services

Data Cleaning
I will solve your data problems
From$15 / projectMore details
Machine Learning
I will clean and create models for you
From$90 / projectMore details

Work experience

NielsenIQ

Data Operations Analyst

NielsenIQ • Full-time

Feb 2026 - Present • 7 mos

● Validated and processed 5000+ product and pricing records weekly using structured Excel checks, ensuring 98–99% data accuracy and identifying inconsistencies, missing values, and pricing anomalies. ● Analysed large-scale datasets to detect repeated data issues and patterns, and supported root cause analysis (RCA) by evaluating data trends and category mappings, reducing recurring errors by ~15–20%. ● Applied data validation techniques by cross-checking multiple data points to identify outliers, deviations, and classification gaps, improving overall data quality and reporting reliability. ● Collaborated with cross-functional stakeholders to implement data corrections and deliver accurate datasets within strict SLA timelines, supporting downstream reporting and business insights.