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Prateek Tiwari

Prateek Tiwari

AI Content & Annotation Expert | Math, Economics, Multilingual

India flagLucknow , Uttar Pradesh, India
$30.00/hrIntermediateData Annotation TechLionbridgeMercor

Key Skills

Software

Data Annotation TechData Annotation Tech
LionbridgeLionbridge
MercorMercor
Scale AIScale AI

Top Subject Matter

No subject matter listed

Top Data Types

DocumentDocument
ImageImage
TextText

Top Task Types

Evaluation Rating
Prompt Response Writing SFT
Question Answering
RLHF
Translation Localization

Freelancer Overview

I have hands-on experience working on data labeling, AI training data evaluation, and quality assurance tasks across different content types, including text and images. My work involves accurately following annotation guidelines, spotting inconsistencies, refining outputs, and maintaining high-quality standards to support model improvement and real-world usability. Key strengths & value I bring: Accurate, detail-focused labeling across multiple task types Strong reasoning & analytical interpretation based on task rules Experience evaluating LLM responses for quality, relevance & factual accuracy Familiar with classification, tagging, rewriting & failure-mode analysis Clear, structured feedback & rationale writing skills I also have strong language proficiency and familiarity with AI behavior, which helps me understand model limitations, hallucination risks, and quality benchmarks—allowing me to contribute meaningfully to training and refining datasets.

IntermediateHindiFrenchEnglishMarathiSpanish

Labeling Experience

No Data Labeling experience added

Prateek T. hasn’t added any AI Training or Data Labeling experience to their OpenTrain profile yet.

Education

M

Massachusetts Institute of Technology

Certificate , Economics

Certificate
2024 - 2025
I

Indira Gandhi National Open University

Bachelor of Science , Geology - (Earth Sciences)

Bachelor of Science
2022 - 2025

Work History

S

Stellar AI

AI Agent Evaluation Analyst

Delhi
2025 - Present
D

Data Annotation Tech

AI Trainer

Lucknow
2024 - Present