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Samuel Ojumu

AI Training & Data Quality Specialist | Bare Metal Studio

United Kingdom flagBristol, United Kingdom
$25.00/hrExpertMercorSuperannotateInternal Proprietary Tooling

Key Skills

Software

MercorMercor
SuperAnnotateSuperAnnotate
Internal/Proprietary Tooling

Top Subject Matter

General AI/Conversational AI

Top Data Types

TextText
ImageImage
VideoVideo

Top Task Types

SegmentationSegmentation
ClassificationClassification
Text GenerationText Generation
Object DetectionObject Detection
Question AnsweringQuestion Answering
Text SummarizationText Summarization
Fine-tuningFine-tuning
TranscriptionTranscription
Data CollectionData Collection

Freelancer Overview

AI Training & Data Quality Specialist | Bare Metal Studio. Brings 12+ years of professional experience across complex professional workflows, research, and quality-focused execution. Core strengths include Internal and Proprietary Tooling. Education includes Master of Science, Coventry University (2023) and Bachelor of Science, Joseph Ayo Babalola University (2017). AI-training focus includes data types such as Text and labeling workflows including Evaluation and Rating.

ExpertEnglishYoruba

Labeling Experience

AI Training & Data Quality Specialist | Bare Metal Studio

Text
Evaluated and assessed AI-generated responses according to detailed quality guidelines, providing clear feedback to improve model performance. Maintained extreme attention to detail by spotting errors, inconsistencies, and unclear outputs within model responses. Played a key role in evolving annotation guidelines and standards within the team through communication and feedback. • Read and assessed AI outputs daily according to set criteria • Maintained 99% accuracy on high-volume rating and labeling tasks • Flagged tricky edge cases and gave feedback informing guideline updates • Collaborated with colleagues to resolve complex cases and improve evaluation quality

Evaluated and assessed AI-generated responses according to detailed quality guidelines, providing clear feedback to improve model performance. Maintained extreme attention to detail by spotting errors, inconsistencies, and unclear outputs within model responses. Played a key role in evolving annotation guidelines and standards within the team through communication and feedback. • Read and assessed AI outputs daily according to set criteria • Maintained 99% accuracy on high-volume rating and labeling tasks • Flagged tricky edge cases and gave feedback informing guideline updates • Collaborated with colleagues to resolve complex cases and improve evaluation quality

2024 - Present

AI Trainer & Data Annotator | Upperlink Limited

Text
Reviewed and rated a wide range of AI model outputs, writing detailed feedback to help enhance quality standards. Labeled and annotated large volumes of training data with consistent accuracy and adherence to complex guidelines. Identified and flagged errors, inconsistencies, and bias in model responses to maintain over 99% accuracy. • Completed daily annotation tasks and prompt evaluations • Provided feedback and examples for annotation guideline development • Worked through varied and challenging prompts at scale • Helped make annotation standards clearer and more consistent for the team

Reviewed and rated a wide range of AI model outputs, writing detailed feedback to help enhance quality standards. Labeled and annotated large volumes of training data with consistent accuracy and adherence to complex guidelines. Identified and flagged errors, inconsistencies, and bias in model responses to maintain over 99% accuracy. • Completed daily annotation tasks and prompt evaluations • Provided feedback and examples for annotation guideline development • Worked through varied and challenging prompts at scale • Helped make annotation standards clearer and more consistent for the team

2018 - 2023

AI Data Reviewer | Spoxio Limited

Text
Evaluated AI-generated text and task outputs against established quality criteria, ensuring accurate and clear labeling. Processed annotation batches efficiently while maintaining a high standard of accuracy in judgment and documentation. Contributed to team discussions to refine labeling guidelines and decrease inconsistency across reviewers. • Recorded structured findings from output evaluations • Developed expertise handling ambiguous or edge-case prompts • Identified recurring patterns in AI model mistakes • Supported improvement of team quality standards and annotation processes

Evaluated AI-generated text and task outputs against established quality criteria, ensuring accurate and clear labeling. Processed annotation batches efficiently while maintaining a high standard of accuracy in judgment and documentation. Contributed to team discussions to refine labeling guidelines and decrease inconsistency across reviewers. • Recorded structured findings from output evaluations • Developed expertise handling ambiguous or edge-case prompts • Identified recurring patterns in AI model mistakes • Supported improvement of team quality standards and annotation processes

2015 - 2017

Education

J

Joseph Ayo Babalola University

Bachelor of Science, Accounting

Bachelor of Science
2013 - 2017
C

Coventry University

Master of Science, Finance

Master of Science
2023

Work History

B

Bare Metal Studio

AI Training & Data Quality Specialist

Location not specified
2024 - Present
H

Hi Speed Services

Financial Analyst

Rugby
2024 - 2026