Kelvin Nwaeze

Key Skills

Software

Mercor

Other

Telus

Clickworker

Appen

Top Subject Matter

No subject matter listed

Top Data Types

Image

Text

Video

Top Label Types

Bounding Box

Classification

Object Detection

Data Collection

Question Answering

Text Generation

Evaluation Rating

Prompt Response Writing SFT

Freelancer Overview

I am a detail-oriented AI Data Labeling Specialist with hands-on experience in image, text, audio, and video annotation for leading global AI development projects. My background includes working remotely with organizations such as Mercor, RWS Group, TELUS International, and UHRS/Clickworker, where I contributed to the training of AI models through high-accuracy data labeling, content evaluation, and linguistic tagging. I am skilled in using a wide range of annotation tools including Multimango, Labelbox, Pairmango, and various remote collaboration platforms like Slack, Zoom, and Google Workspace. My work has spanned diverse domains such as computer vision, search relevance, sentiment analysis, and conversational AI, consistently meeting productivity and quality targets while ensuring data confidentiality and accuracy. I am committed to delivering top-quality labeled data that supports robust machine learning applications.

Labeling Experience

AI Annotator and Data Labeling Specialist – Mercor Corporation dba (Remote)

MercorImageBounding BoxClassification

Performed high-volume annotation and data labeling of images, text, and structured data for GenAI model training. Ensured consistency of labeling by following strict client guidelines and contributed to AI model improvement through content rating and evaluation. Executed tagging, categorization, and validation of data with a strong focus on accuracy and confidentiality. • Experience handling remote, confidential annotation tasks • Contributed to model training and evaluation for major AI development projects • Specialized in image, text, and content annotation for generative AI • Used multiple annotation platforms in a fast turnaround environment

Performed high-volume annotation and data labeling of images, text, and structured data for GenAI model training. Ensured consistency of labeling by following strict client guidelines and contributed to AI model improvement through content rating and evaluation. Executed tagging, categorization, and validation of data with a strong focus on accuracy and confidentiality. • Experience handling remote, confidential annotation tasks • Contributed to model training and evaluation for major AI development projects • Specialized in image, text, and content annotation for generative AI • Used multiple annotation platforms in a fast turnaround environment

2025

AI Data Labeling Specialist – RWS Group (Remote)

OtherImageClassificationQuestion Answering

Labeled image, text, and linguistic data to train AI and conversational models as part of the Diamond Project for RWS Group. Conducted tagging, categorization, and validation tasks focusing on search relevance, sentiment analysis, and search quality. Achieved daily productivity and quality targets while ensuring privacy and compliance with sensitive content requirements. • Routinely handled pairwise comparisons, tagging, and object annotation • Worked on a client platform with variable daily volumes • Delivered high-accuracy data for AI/ML model improvement • Engaged in audio, video, and image content annotation assignments

Labeled image, text, and linguistic data to train AI and conversational models as part of the Diamond Project for RWS Group. Conducted tagging, categorization, and validation tasks focusing on search relevance, sentiment analysis, and search quality. Achieved daily productivity and quality targets while ensuring privacy and compliance with sensitive content requirements. • Routinely handled pairwise comparisons, tagging, and object annotation • Worked on a client platform with variable daily volumes • Delivered high-accuracy data for AI/ML model improvement • Engaged in audio, video, and image content annotation assignments

2024

Freelance Data Annotator – TELUS International (Remote)

TelusTextEvaluation Rating

Contributed to AI model training through text content rating, annotation, and evaluation for web search and conversational tasks as a freelance annotator. Reviewed user-generated content and rating tasks for AI training datasets. Maintained consistently high accuracy metrics above 95% as part of remote project teams. • Performed daily labeling and evaluation tasks for multiple AI clients • Supported search engine and conversational AI projects • Delivered high-quality, accurate labeled data to support model generalization • Utilized proprietary annotation and QA tools for content review

Contributed to AI model training through text content rating, annotation, and evaluation for web search and conversational tasks as a freelance annotator. Reviewed user-generated content and rating tasks for AI training datasets. Maintained consistently high accuracy metrics above 95% as part of remote project teams. • Performed daily labeling and evaluation tasks for multiple AI clients • Supported search engine and conversational AI projects • Delivered high-quality, accurate labeled data to support model generalization • Utilized proprietary annotation and QA tools for content review

2020 - 2024

Search Engine Evaluator – UHRS / Clickworker (Remote)

ClickworkerTextClassification

Labeled and categorized digital and web content for search engine optimization as a Search Engine Evaluator. Conducted data tagging, intent analysis, and ensured data consistency by following comprehensive client-specific guidelines. Supported AI model training for search relevance and web content ranking. • Focused on intent annotation and digital content categorization • Ensured labeling accuracy within set timelines • Reviewed large data volumes for AI/ML training • Applied consistent protocols for data review and reporting

Labeled and categorized digital and web content for search engine optimization as a Search Engine Evaluator. Conducted data tagging, intent analysis, and ensured data consistency by following comprehensive client-specific guidelines. Supported AI model training for search relevance and web content ranking. • Focused on intent annotation and digital content categorization • Ensured labeling accuracy within set timelines • Reviewed large data volumes for AI/ML training • Applied consistent protocols for data review and reporting

2022 - 2023

Freelance Contributor – Remote AI Projects (Various)

AppenVideoData Collection

Participated in short-term data collection, transcription, and validation projects as a freelance contributor on various AI initiatives. Created reaction and short-form video samples to support computer vision AI model training. Demonstrated adaptability and reliability in fast-paced, remote project environments. • Contributed to audio, image, and video data collection annotations • Delivered data for training computer vision and multimodal AI models • Used multiple online annotation platforms and communication tools • Supported rapid project turnaround in AI/ML research

Participated in short-term data collection, transcription, and validation projects as a freelance contributor on various AI initiatives. Created reaction and short-form video samples to support computer vision AI model training. Demonstrated adaptability and reliability in fast-paced, remote project environments. • Contributed to audio, image, and video data collection annotations • Delivered data for training computer vision and multimodal AI models • Used multiple online annotation platforms and communication tools • Supported rapid project turnaround in AI/ML research

2021 - 2022

Education

Work History