Vijay Thakur

Key Skills

Software

Appen

Clickworker

CloudFactory

CrowdFlower

Data Annotation Tech

Label Studio

OneForma

Scale AI

Other

Top Subject Matter

No subject matter listed

Top Data Types

Audio

Computer Code Programming

Document

Image

Text

Video

Top Label Types

Action Recognition

Audio Recording

Bounding Box

Computer Programming Coding

Data Collection

Entity Ner Classification

Mapping

Point Key Point

Polygon

Polyline

Prompt Response Writing SFT

Text Generation

Transcription

Translation Localization

Freelancer Overview

I am a Data Annotation Specialist and AI Trainer with over 2.5 years of hands-on experience delivering high-quality labeled datasets for AI training in domains such as computer vision, NLP, e-commerce, and automotive AI. My background includes annotating and reviewing more than 10,000 images, videos, and text samples, consistently maintaining up to 99% QA accuracy. I have expertise in image annotation, bounding box and segmentation, video annotation, and text annotation using tools like CVAT, Labelbox, OneForma, and LXT. My technical skills in Java, Python, SQL, and data preprocessing allow me to optimize and validate datasets for model training. I have contributed to projects involving vehicle component annotation for autonomous driving, gemstone classification, and AI agent response review, always ensuring data consistency, quality assurance, and alignment with AI model requirements. I am also experienced in localization (Hindi & Hinglish), PII detection, and content moderation, and I thrive in collaborative environments that focus on improving AI model performance.

Labeling Experience

Data Specialist & AI Trainer

OneformaImageBounding BoxText Generation

RWS Group · Freelance · Remote As a Data Specialist at RWS, I focus on preparing and optimizing data for AI model training. I clean, preprocess, and ensure the quality of datasets while collaborating with AI teams to improve model performance. Key Projects: Ruby & Diamond Project: Worked on AI training for Ruby and Diamond identification and classification systems Collaborated with AI teams to enhance model accuracy and performance Implemented data preprocessing pipelines for large-scale datasets AI Training Data Preprocessing Model Optimization Quality Assurance

RWS Group · Freelance · Remote As a Data Specialist at RWS, I focus on preparing and optimizing data for AI model training. I clean, preprocess, and ensure the quality of datasets while collaborating with AI teams to improve model performance. Key Projects: Ruby & Diamond Project: Worked on AI training for Ruby and Diamond identification and classification systems Collaborated with AI teams to enhance model accuracy and performance Implemented data preprocessing pipelines for large-scale datasets AI Training Data Preprocessing Model Optimization Quality Assurance

2025

Data Annotation Specialist

CloudfactoryVideoBounding BoxText Generation

OneForma · Part-time · Remote Worked on multiple AI and data annotation projects with global teams, delivering high-quality annotated data for various AI applications. Key Projects: Dino Camera Motion Taggers: Reviewed and tagged camera motions in video clips including Horizontal, Vertical, Depth, and Rotational movements with 99% accuracy rate Athena AI Agent Reviewer: Reviewed AI responses for e-commerce platforms, ensuring accuracy, policy compliance, and factual correctness in Hinglish language Iris Image Evaluator: Evaluated AI-generated images for defects, layout, lighting, color, and attention to detail, providing crucial feedback for model improvement Nike Labeling Annotation: Performed QA for AI-generated content annotation in Hindi, detecting fake PII and validating labels with precision Data Annotation AI Review Quality Assurance Hindi Localization Image Evaluation Video Annotation

OneForma · Part-time · Remote Worked on multiple AI and data annotation projects with global teams, delivering high-quality annotated data for various AI applications. Key Projects: Dino Camera Motion Taggers: Reviewed and tagged camera motions in video clips including Horizontal, Vertical, Depth, and Rotational movements with 99% accuracy rate Athena AI Agent Reviewer: Reviewed AI responses for e-commerce platforms, ensuring accuracy, policy compliance, and factual correctness in Hinglish language Iris Image Evaluator: Evaluated AI-generated images for defects, layout, lighting, color, and attention to detail, providing crucial feedback for model improvement Nike Labeling Annotation: Performed QA for AI-generated content annotation in Hindi, detecting fake PII and validating labels with precision Data Annotation AI Review Quality Assurance Hindi Localization Image Evaluation Video Annotation

2023

Education

Work History