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Prasenjit Mahato

Prasenjit Mahato

AI Data Annotator & Evaluator (Freelance/Contract) - Sou AI, Outlier AI, Alignerr

India flagPurulia, India
$15.00/hrExpertOtherData Annotation TechLabelbox

Key Skills

Software

Other
Data Annotation TechData Annotation Tech
LabelboxLabelbox
OneFormaOneForma
TelusTelus
Scale AIScale AI
iMeritiMerit
SuperAnnotateSuperAnnotate

Top Subject Matter

Natural Language Processing
Legal Services & Contract Review
Regulatory Compliance & Risk Analysis

Top Data Types

TextText
ImageImage
DocumentDocument

Top Task Types

Entity Ner Classification
Object Detection
Question Answering
Text Summarization
Evaluation Rating
Prompt Response Writing SFT
Transcription
Text Generation
Data Collection

Freelancer Overview

AI Data Annotator & Evaluator (Freelance/Contract) - Sou AI, Outlier AI, Alignerr. Brings 6+ years of professional experience across legal operations, contract review, compliance, and structured analysis. Core strengths include Other. Education includes Bachelor of Technology, Maulana Abul Kalam Azad University of Technology (2017). AI-training focus includes data types such as Text and labeling workflows including Entity (NER) Classification.

ExpertEnglishBengaliHindi

Labeling Experience

AI Data Annotator & Evaluator (Freelance/Contract) - Sou AI, Outlier AI, Alignerr

OtherTextEntity Ner Classification
As an AI Data Annotator & Evaluator, I performed detailed text and conversational data labeling for NLP and LLM training initiatives. My work included intent, entity, and sentiment annotation, as well as reviewing and evaluating AI-generated responses for quality and safety. I maintained high accuracy, contributed to guideline improvements, and supported operational excellence in annotation workflows. • Labeled textual data for entities and intents using defined taxonomies • Provided RLHF feedback and quality ratings on AI-generated outputs • Executed quality assurance reviews on peer annotations to ensure consistency • Collaborated with leads to escalate ambiguous examples and improve labeling guidelines

As an AI Data Annotator & Evaluator, I performed detailed text and conversational data labeling for NLP and LLM training initiatives. My work included intent, entity, and sentiment annotation, as well as reviewing and evaluating AI-generated responses for quality and safety. I maintained high accuracy, contributed to guideline improvements, and supported operational excellence in annotation workflows. • Labeled textual data for entities and intents using defined taxonomies • Provided RLHF feedback and quality ratings on AI-generated outputs • Executed quality assurance reviews on peer annotations to ensure consistency • Collaborated with leads to escalate ambiguous examples and improve labeling guidelines

2023 - Present

Education

M

Maulana Abul Kalam Azad University of Technology

Bachelor of Technology, Technology

Bachelor of Technology
2013 - 2017

Work History

A

Aegis Startek Private Limited

Operations Executive

Kolkata
2019 - 2023
B

Beltalk Technology Private Limited

Executive Assistant

Kolkata
2018 - 2019