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Chandana Cheerla

Chandana Cheerla

AI Data Annotator – NLP, Data Analysis & Quality Review

India flagTirupati, India
$50.00/hrIntermediateLabel StudioAppen

Key Skills

Software

Label StudioLabel Studio
AppenAppen

Top Subject Matter

Technology – AI Training Data & NLP
Finance – Risk Analysis & Fraud Detection
E-commerce – Product Categorization & Customer Support

Top Data Types

TextText
DocumentDocument
Computer Code ProgrammingComputer Code Programming

Top Task Types

ClassificationClassification
Text GenerationText Generation
Text SummarizationText Summarization
RLHFRLHF
Computer Programming/CodingComputer Programming/Coding
Evaluation/RatingEvaluation/Rating
Prompt + Response Writing (SFT)Prompt + Response Writing (SFT)

Freelancer Overview

I have hands-on experience working with AI and data-focused projects that required strong attention to detail, data quality, and structured analysis. My background includes cleaning and preparing datasets, validating outputs, identifying inconsistencies, labeling structured and unstructured data, and creating reliable training-ready inputs for machine learning workflows. I am comfortable working with text, tabular data, and image-based datasets, and I understand the importance of accuracy, consistency, and following detailed annotation guidelines. I also have experience using Python tools such as Pandas, NumPy, and Scikit-learn to process data efficiently and evaluate results. What sets me apart is my combination of technical knowledge and analytical thinking. I have worked on projects involving predictive modeling, NLP, explainable AI, dashboards, and deep learning applications such as image classification. This gives me a strong understanding of how high-quality labeled data directly impacts model performance. I learn new platforms quickly, communicate clearly, meet deadlines, and stay focused during repetitive tasks without compromising quality. I bring both precision and problem-solving ability, making me a dependable contributor for AI training data and data labeling projects.

IntermediateEnglishHindiTelugu

Labeling Experience

AI Training Data Annotation Specialist – NLP Project

TextClassification
Worked on text annotation and AI training data projects focused on classifying and improving large-scale language datasets. Labeled text samples by category, sentiment (positive/negative/neutral), user intent, topic relevance, and content safety based on project guidelines. Reviewed AI-generated responses for accuracy, clarity, grammar, helpfulness, and policy compliance to support model training and evaluation. Handled high-volume datasets with strong attention to detail while maintaining consistency and quality standards. Performed validation checks, corrected mislabeled samples, flagged ambiguous cases, and followed strict annotation instructions to ensure reliable outputs. Comfortable adapting to changing guidelines, meeting deadlines, and delivering accurate results in remote project environments.

Worked on text annotation and AI training data projects focused on classifying and improving large-scale language datasets. Labeled text samples by category, sentiment (positive/negative/neutral), user intent, topic relevance, and content safety based on project guidelines. Reviewed AI-generated responses for accuracy, clarity, grammar, helpfulness, and policy compliance to support model training and evaluation. Handled high-volume datasets with strong attention to detail while maintaining consistency and quality standards. Performed validation checks, corrected mislabeled samples, flagged ambiguous cases, and followed strict annotation instructions to ensure reliable outputs. Comfortable adapting to changing guidelines, meeting deadlines, and delivering accurate results in remote project environments.

2024 - 2026

Education

I

IITR

MTech, Data Science

MTech
2024 - 2026

Work History

B

Bajaj Auto

Data Scientist

Pune
2025 - 2025
L

Lumen IT

Software Development

Bengaluru
2024 - 2024