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Poorani Muthusamy

Poorani Muthusamy

Freelance 2D Object Annotator & AI Data Contributor

INDIA flag
Namakkal, India
$20.00/hrExpertLabelbox

Key Skills

Software

LabelboxLabelbox

Top Subject Matter

Computer Vision / AI Model Training
Speech Recognition / Multilingual AI Training
Conversational AI / Language Model Training

Top Data Types

ImageImage
AudioAudio
TextText

Top Label Types

Object Detection
Transcription
Prompt Response Writing SFT

Freelancer Overview

Freelance 2D Object Annotator & AI Data Contributor. Core strengths include Other. AI-training focus includes data types such as Image, Audio, and Text and labeling workflows including Object Detection, Transcription, and Prompt + Response Writing (SFT).

ExpertHindiTamilEnglish

Labeling Experience

Freelance Prompt Engineer & AI Chatbot Evaluator

OtherTextPrompt Response Writing SFT
Created and evaluated thousands of domain-specific prompts and responses for AI chatbots and virtual assistants. Evaluated AI-generated responses for grammar, tone, factual reliability, and user engagement. Supported prompt engineering workflows to enhance AI language model performance. • Designed creative, high-context prompt sets. • Assessed quality and logic of responses to refine AI output. • Ensured alignment with editorial and brand guidelines. • Contributed to improvements in overall model accuracy.

Created and evaluated thousands of domain-specific prompts and responses for AI chatbots and virtual assistants. Evaluated AI-generated responses for grammar, tone, factual reliability, and user engagement. Supported prompt engineering workflows to enhance AI language model performance. • Designed creative, high-context prompt sets. • Assessed quality and logic of responses to refine AI output. • Ensured alignment with editorial and brand guidelines. • Contributed to improvements in overall model accuracy.

2020 - Present

Freelance Audio Transcriber & AI Data Contributor

OtherAudioTranscription
Transcribed English and Tamil audio files with meticulous attention to timestamp accuracy and clarity. Supported multi-accent datasets to aid speech recognition model development. Maintained high linguistic fidelity across varied audio content submitted for AI model training. • Accurately transcribed hundreds of audio hours for AI datasets. • Followed detailed guidelines for timestamp and content formatting. • Managed sensitive information and maintained confidentiality. • Provided feedback for continuous process enhancement.

Transcribed English and Tamil audio files with meticulous attention to timestamp accuracy and clarity. Supported multi-accent datasets to aid speech recognition model development. Maintained high linguistic fidelity across varied audio content submitted for AI model training. • Accurately transcribed hundreds of audio hours for AI datasets. • Followed detailed guidelines for timestamp and content formatting. • Managed sensitive information and maintained confidentiality. • Provided feedback for continuous process enhancement.

2020 - Present

Freelance 2D Object Annotator & AI Data Contributor

OtherImageObject Detection
Performed detailed 2D object annotation on image datasets for AI vision training initiatives. Utilized bounding box and polygon tagging techniques to accurately label and train models. Ensured quality by adhering strictly to project guidelines and maintaining annotation consistency. • Labeled thousands of images using object detection protocols. • Collaborated cross-functionally with team leads and editors. • Supported iterative improvements in annotation standards. • Focused on optimizing labeling speed without reducing accuracy.

Performed detailed 2D object annotation on image datasets for AI vision training initiatives. Utilized bounding box and polygon tagging techniques to accurately label and train models. Ensured quality by adhering strictly to project guidelines and maintaining annotation consistency. • Labeled thousands of images using object detection protocols. • Collaborated cross-functionally with team leads and editors. • Supported iterative improvements in annotation standards. • Focused on optimizing labeling speed without reducing accuracy.

2020 - Present

Education

P

PSG COLLEGE OF ARTS & SCIENCE

MSC. CHEMISTRY, COIMBATORE

MSC. CHEMISTRY
2022 - 2024

Work History

I

Invisible Technologies

AI data trainer

Namakkal
2025 - 2025
S

Soul AI

Freelance AI data trainer

Namakkal
2025 - 2025