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Samuel Iwenofu

Samuel Iwenofu

Freelance Data Annotation Specialist

NIGERIA flag
Abuja, Nigeria
$20.00/hrIntermediateOtherLabelboxLabel Studio

Key Skills

Software

Other
LabelboxLabelbox
Label StudioLabel Studio
CVATCVAT

Top Subject Matter

General AI/Technology
Natural Language Processing/AI

Top Data Types

TextText
ImageImage

Top Task Types

Classification
Bounding Box
Object Detection

Freelancer Overview

Freelance Data Annotation Specialist. Brings 4+ years of professional experience across complex professional workflows, research, and quality-focused execution. Core strengths include Other. Education includes Bachelor of Science, Open University (2025). AI-training focus includes data types such as Text and Image and labeling workflows including Classification, Evaluation, and Rating.

IntermediateEnglish

Labeling Experience

Freelance Data Annotation Specialist - LLM Response Evaluation

OtherText
Evaluated AI-generated text responses for accuracy, relevance, and coherence within natural language processing tasks. Supported model improvements through systematic assessment and detailed feedback on AI outputs. Maintained strict adherence to evaluation guidelines and project quality standards. • Followed detailed project instructions for evaluations • Provided constructive feedback on AI-generated content • Ensured unbiased, consistent evaluation methods • Met accuracy and deadline expectations for all assigned reviews.

Evaluated AI-generated text responses for accuracy, relevance, and coherence within natural language processing tasks. Supported model improvements through systematic assessment and detailed feedback on AI outputs. Maintained strict adherence to evaluation guidelines and project quality standards. • Followed detailed project instructions for evaluations • Provided constructive feedback on AI-generated content • Ensured unbiased, consistent evaluation methods • Met accuracy and deadline expectations for all assigned reviews.

2023 - 2024

Freelance Data Annotation Specialist

OtherImageClassification
Labelled and categorized image data sets according to project-specific and detailed annotation guidelines. Ensured accuracy and adherence to project requirements while handling high-volume repetitive tasks. Maintained consistency and precision using digital annotation tools for quality results. • Performed meticulous and accurate image labeling • Applied project guidelines to categorize various image types • Met deadlines and managed workload independently • Utilized digital annotation tools for image labeling.

Labelled and categorized image data sets according to project-specific and detailed annotation guidelines. Ensured accuracy and adherence to project requirements while handling high-volume repetitive tasks. Maintained consistency and precision using digital annotation tools for quality results. • Performed meticulous and accurate image labeling • Applied project guidelines to categorize various image types • Met deadlines and managed workload independently • Utilized digital annotation tools for image labeling.

2023 - 2024

Freelance Data Annotation Specialist

OtherTextClassification
Labelled and categorized a variety of text datasets based on detailed and specific project instructions. Evaluated the relevance, accuracy, and coherence of AI-generated responses to improve model performance. Maintained high accuracy and consistency across repetitive, large-volume data tasks in remote, independent work settings. • Followed strict annotation guidelines with keen attention to detail • Consistently met project deadlines for deliverables • Applied advanced analytical and quality review skills • Utilized remote collaboration and digital annotation tools effectively.

Labelled and categorized a variety of text datasets based on detailed and specific project instructions. Evaluated the relevance, accuracy, and coherence of AI-generated responses to improve model performance. Maintained high accuracy and consistency across repetitive, large-volume data tasks in remote, independent work settings. • Followed strict annotation guidelines with keen attention to detail • Consistently met project deadlines for deliverables • Applied advanced analytical and quality review skills • Utilized remote collaboration and digital annotation tools effectively.

2023 - 2024

Education

O

Open University

Bachelor of Science, Information Technology

Bachelor of Science
2022 - 2025

Work History

E

EarnovaTech

Technical Support Specialist

Abuja
2024 - Present
D

Digital Minds

Technical Support Specialist

Abuja
2023 - 2024