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A
Arunkumar Babu

Arunkumar Babu

LLM Evaluation and Text Generation Specialist in English & Tamil

India flagChennai, India
$5.00/hrExpertAws SagemakerAppenCVAT

Key Skills

Software

AWS SageMakerAWS SageMaker
AppenAppen
CVATCVAT
Data Annotation TechData Annotation Tech
Figure EightFigure Eight
Label StudioLabel Studio
LionbridgeLionbridge
OneFormaOneForma
RemotasksRemotasks
RoboflowRoboflow
TelusTelus
V7 LabsV7 Labs
Scale AIScale AI
Other

Top Subject Matter

No subject matter listed

Top Data Types

ImageImage
TextText
VideoVideo

Top Task Types

Bounding BoxBounding Box
Evaluation/RatingEvaluation/Rating
PolygonPolygon
Prompt + Response Writing (SFT)Prompt + Response Writing (SFT)
Translation/LocalizationTranslation/Localization

Freelancer Overview

I am a freelance professional specialising in AI training data, data labelling, and annotation across text, image, audio, and video. With hands on experience in platforms such as CVAT, Roboflow, Label Studio, LOFT 2.0, Scaled Solutions, ADAP and MatrixGo, I have contributed to projects in robotics, autonomous vehicles, medical imagery, eCommerce, agriculture, and social media. My expertise includes Tamil/English transcription, translation, OCR annotation, content moderation, and AI evaluation (chatbot evaluation, side-by-side image assessment, and RLHF-based evaluation).

ExpertTamilHindiTeluguEnglish

Labeling Experience

Roboflow

Security Scanner Image Annotation Specialist

RoboflowImageBounding BoxObject Detection
Annotated X-ray security scanner images to identify and classify items and potential threats. Delivered precise annotations to support AI models for safety, compliance, and automated threat detection.

Annotated X-ray security scanner images to identify and classify items and potential threats. Delivered precise annotations to support AI models for safety, compliance, and automated threat detection.

2025

Robotics Video Annotation Specialist

OtherVideoSegmentationClassification
Annotating robotic task videos (pick, place, move) by tagging keyframes and actions to support automation system training. Providing accurate labels to improve robot perception, task execution, and error detection.

Annotating robotic task videos (pick, place, move) by tagging keyframes and actions to support automation system training. Providing accurate labels to improve robot perception, task execution, and error detection.

2025

LLM Response Evaluator (Tamil) - RLHF

OtherTextRLHFEvaluation Rating
Reviewing and rating LLM responses using structured rubrics for safety, accuracy, and usefulness. Providing feedback to refine model alignment, response quality, and real world reliability.

Reviewing and rating LLM responses using structured rubrics for safety, accuracy, and usefulness. Providing feedback to refine model alignment, response quality, and real world reliability.

2025
Appen

Fact Verification Specialist – Project Uolo

AppenTextEvaluation Rating
Currently reviewing large scale social media content for accuracy and credibility. Supporting AI model training by verifying facts, classifying misinformation, and providing structured feedback to enhance automated detection.

Currently reviewing large scale social media content for accuracy and credibility. Supporting AI model training by verifying facts, classifying misinformation, and providing structured feedback to enhance automated detection.

2025
Appen

Ad Moderation & Compliance Reviewer – Project Ogden

AppenImageEntity Ner ClassificationClassification
Evaluating ads across text, image, and video formats to ensure compliance and improve AI ad classification. Supporting trust & safety efforts by rating ad quality and providing structured feedback for automation.

Evaluating ads across text, image, and video formats to ensure compliance and improve AI ad classification. Supporting trust & safety efforts by rating ad quality and providing structured feedback for automation.

2025

Education

B

Bharat Sevak Samaj

Master Diploma in Occupational Health, Safety, Environment and Risk Management, Environmental Health, and Safety

Master Diploma in Occupational Health, Safety, Environment and Risk Management
2015 - 2017
D

Dimensional Academy of Engineering

PG Diploma in Electrical System Design, Electrical Systems

PG Diploma in Electrical System Design
2014 - 2015

Work History

A

Appen/Telus Digital/Oneforma

Freelance Data Annotator | AI Trainer | Content Moderator

Chennai
2018 - Present
E

EFS Facility Services

Training & Quality Assurance Executive

Chennai
2015 - 2018