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Tyler Foster

Freelance AI Data Annotator & Evaluator (Text/NLP)

KENYA flag
Nairobi, Kenya
$12.00/hrExpertLabel StudioCVATOther

Key Skills

Software

Label StudioLabel Studio
CVATCVAT
Other

Top Subject Matter

Natural Language Processing (NLP)
Swahili Language Datasets
Computer Vision

Top Data Types

TextText
ImageImage
VideoVideo

Top Task Types

Entity Ner Classification
Classification

Freelancer Overview

Freelance AI Data Annotator & Evaluator (Text/NLP). Brings 2+ years of professional experience across complex professional workflows, research, and quality-focused execution. Core strengths include Label Studio, CVAT, and Other. Education includes Bachelor of Science, Kabarak University (2024). AI-training focus includes data types such as Text, Image, and Video and labeling workflows including Entity (NER) Classification, Classification, and Evaluation.

ExpertSwahiliEnglish

Labeling Experience

LLM Output Evaluator

OtherText
As an LLM Evaluator, I assessed language model outputs for accuracy, safety, and alignment with guidelines. This involved rating and evaluating the responses of generative AI systems using structured rubrics. The work was critical in ensuring the responsible deployment of AI models. • Performed evaluation of LLM outputs for factual correctness. • Used internal tools and guidelines for structured assessment. • Provided feedback to improve model safety and quality. • Specialized in multilingual (Swahili and English) evaluation tasks.

As an LLM Evaluator, I assessed language model outputs for accuracy, safety, and alignment with guidelines. This involved rating and evaluating the responses of generative AI systems using structured rubrics. The work was critical in ensuring the responsible deployment of AI models. • Performed evaluation of LLM outputs for factual correctness. • Used internal tools and guidelines for structured assessment. • Provided feedback to improve model safety and quality. • Specialized in multilingual (Swahili and English) evaluation tasks.

2024 - Present
CVAT

Freelance AI Data Annotator (Video)

CVATVideoClassification
In my freelance annotation work, I was tasked with video data labeling to support AI model development. I annotated and classified video segments according to detailed requirements set by project stakeholders. My work contributed directly to the creation of robust training datasets for machine learning. • Conducted video content classification and object/scene annotation. • Used CVAT and enterprise platforms for annotation. • Delivered high-quality, structured video datasets. • Ensured data completeness according to project standards.

In my freelance annotation work, I was tasked with video data labeling to support AI model development. I annotated and classified video segments according to detailed requirements set by project stakeholders. My work contributed directly to the creation of robust training datasets for machine learning. • Conducted video content classification and object/scene annotation. • Used CVAT and enterprise platforms for annotation. • Delivered high-quality, structured video datasets. • Ensured data completeness according to project standards.

2024 - Present
CVAT

Freelance AI Data Annotator (Image)

CVATImageClassification
As a Freelance AI Data Annotator, I conducted detailed image annotation projects for AI training purposes. The role required classifying and labeling image data for machine learning tasks on international platforms. I maintained a strong commitment to annotation quality and followed structured guidelines. • Labeled images for object presence and quality assurance. • Applied annotation protocols to maintain data consistency. • Collaborated via remote teams using enterprise tools. • Utilized CVAT and Label Studio in image labeling workflows.

As a Freelance AI Data Annotator, I conducted detailed image annotation projects for AI training purposes. The role required classifying and labeling image data for machine learning tasks on international platforms. I maintained a strong commitment to annotation quality and followed structured guidelines. • Labeled images for object presence and quality assurance. • Applied annotation protocols to maintain data consistency. • Collaborated via remote teams using enterprise tools. • Utilized CVAT and Label Studio in image labeling workflows.

2024 - Present
Label Studio

Freelance AI Data Annotator & Evaluator (Text/NLP)

Label StudioTextEntity Ner Classification
As a Freelance AI Data Annotator & Evaluator, I specialized in text annotation tasks such as NER, sentiment analysis, and intent classification. I contributed to multilingual datasets, particularly focusing on Swahili for African language AI projects. I consistently maintained high accuracy in annotation workflows using multiple international AI platforms. • Performed NER, sentiment, and intent labeling tasks for NLP data. • Evaluated outputs from large language models for factual accuracy. • Used Label Studio, CVAT, and proprietary annotation tools. • Delivered annotated datasets to support AI model training.

As a Freelance AI Data Annotator & Evaluator, I specialized in text annotation tasks such as NER, sentiment analysis, and intent classification. I contributed to multilingual datasets, particularly focusing on Swahili for African language AI projects. I consistently maintained high accuracy in annotation workflows using multiple international AI platforms. • Performed NER, sentiment, and intent labeling tasks for NLP data. • Evaluated outputs from large language models for factual accuracy. • Used Label Studio, CVAT, and proprietary annotation tools. • Delivered annotated datasets to support AI model training.

2024 - Present

Education

K

Kabarak University

Bachelor of Science, Information Technology

Bachelor of Science
2020 - 2024

Work History

N

N/A

IT Support & Data Officer

Nairobi
2023 - 2023
K

Kabarak University

IT Intern

Nairobi
2022 - 2023