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Piyush Rajak

Piyush Rajak

Data Analyst - Data Validation & Annotation

INDIA flag
Gurugram, India
$10.00/hrEntry LevelOther

Key Skills

Software

Other

Top Subject Matter

No subject matter listed

Top Data Types

ImageImage

Top Label Types

Segmentation

Freelancer Overview

I am a data and analytics professional with hands-on experience transforming raw datasets into actionable insights through data validation, cleaning, and structured reporting. My background includes using SQL, Power BI, and Excel to analyze, reconcile, and validate multi-source data, ensuring high data quality for analytics and business reporting. I am skilled in KPI tracking, dashboard development, and performance analysis, and have worked closely with stakeholders to deliver accurate, business-ready reports. My project work includes analyzing user interactions and activity data in web and fitness tracking applications, demonstrating my ability to handle diverse data types and domains. I am passionate about ensuring data integrity and am eager to apply my skills to data labeling, annotation, and AI training data initiatives.

Entry LevelEnglishHindi

Labeling Experience

Data Annotator

OtherImageSegmentation
worked as a Data Annotator on the Meta AI project, where I was responsible for reviewing, labeling, and validating large volumes of data used to train and improve artificial intelligence systems developed by Meta. My primary role was to ensure high-quality, accurate, and consistent annotations across multiple content types, including text, images, and conversational data. I followed detailed annotation guidelines to classify intent, sentiment, relevance, and safety compliance so the AI models could learn correctly from human-verified data

worked as a Data Annotator on the Meta AI project, where I was responsible for reviewing, labeling, and validating large volumes of data used to train and improve artificial intelligence systems developed by Meta. My primary role was to ensure high-quality, accurate, and consistent annotations across multiple content types, including text, images, and conversational data. I followed detailed annotation guidelines to classify intent, sentiment, relevance, and safety compliance so the AI models could learn correctly from human-verified data

2025 - 2025

Education

G

Global Nature Care Sangathan’s Group of Institutions

Bachelor of Technology, Information Technology

Bachelor of Technology
2020 - 2024

Work History

H

Highspring

Data Analyst

Gurugram
2025 - Present
G

GlobalLogic

Associate Analyst

Gurugram
2024 - 2025