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A
Ajay Kumar

Ajay Kumar

Data Annotator – AI/LLM

India flagHyderabad, India
$5.00/hrEntry LevelOther

Key Skills

Software

Other

Top Subject Matter

No subject matter listed

Top Data Types

ImageImage
VideoVideo

Top Task Types

Text GenerationText Generation

Freelancer Overview

I am an experienced data annotation and AI training data specialist with a strong background in Python, SQL, and data processing. My work includes annotating text, image, and video datasets using tools like Multimango, where I consistently achieved 98% annotation accuracy and improved overall training data quality by 30%. I have authored structured prompts for images and videos, evaluated AI model outputs, and ensured strict compliance with annotation guidelines. My technical expertise spans data cleaning, exploratory data analysis, and building interactive dashboards, with hands-on experience in projects involving both computer vision and natural language processing. I am passionate about delivering high-quality, reliable data to power AI solutions and support data-driven decision-making.

Entry LevelEnglish

Labeling Experience

Data Annotator

OtherVideoText Generation
Video annotation with frame-level text and image to text descriptions used for AI and LLM training datasets,Q&A dataset creation from training videos with a focus on contextual and linguistic accuracy,Inch by inch video analysis ensuring consistency and high data precision across annotations,Human like language refinement improving model understanding and output quality,Training data quality centered on realism, clarity, and reduced annotation errors.

Video annotation with frame-level text and image to text descriptions used for AI and LLM training datasets,Q&A dataset creation from training videos with a focus on contextual and linguistic accuracy,Inch by inch video analysis ensuring consistency and high data precision across annotations,Human like language refinement improving model understanding and output quality,Training data quality centered on realism, clarity, and reduced annotation errors.

2025

Education

I

Institute of Aeronautical Engineering

Bachelor of Technology, Information Technology

Bachelor of Technology
2017 - 2021
N

Narayana Junior College

High School Diploma, Science

High School Diploma
2015 - 2017

Work History

F

Freelance

Freelance Data Engineer and Analyst

Hyderabad
2025 - Present
S

SP Software Private Limited

Associate Software Engineer

Hyderabad
2022 - 2023