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Joshua Okunrinju

Joshua Okunrinju

AI Trainer / Data Annotation & Quality Evaluation Specialist

United Kingdom flagLondon, United Kingdom
$30.00/hrIntermediateOther

Key Skills

Software

Other

Top Subject Matter

Digital project workstreams
AI training evaluation
operational quality

Top Data Types

TextText
DocumentDocument

Top Task Types

RLHFRLHF

Freelancer Overview

AI Trainer / Data Annotation & Quality Evaluation Specialist. Brings 3+ years of professional experience across complex professional workflows, research, and quality-focused execution. Core strengths include Other. Education includes Post-Graduate Certificate, Fanshawe College (2023) and Bachelor of Science, University of Lagos (2018). AI-training focus includes data types such as Text and labeling workflows including Evaluation, Rating, and RLHF.

IntermediateEnglish

Labeling Experience

AI Trainer / Data Annotation & RLHF Evaluator (Freelance / Platform Work)

OtherTextRLHF
Actively contributed to AI training projects with a focus on RLHF, prompt evaluation, annotation guidelines, and LLM output assessment. Applied annotation guideline calibration and error detection techniques in current platform work including Outlier, Appen, Scale AI, and Alignerr. Evaluated, annotated, and rated AI-generated content with an emphasis on clear, structured, and accurate feedback. • Practiced prompt assessment and model output review across multiple annotation platforms. • Applied RLHF evaluation to ensure safety and quality in LLM outputs. • Developed working knowledge of annotation standards and calibration processes. • Managed tasks using Outlier and similar proprietary task interfaces.

Actively contributed to AI training projects with a focus on RLHF, prompt evaluation, annotation guidelines, and LLM output assessment. Applied annotation guideline calibration and error detection techniques in current platform work including Outlier, Appen, Scale AI, and Alignerr. Evaluated, annotated, and rated AI-generated content with an emphasis on clear, structured, and accurate feedback. • Practiced prompt assessment and model output review across multiple annotation platforms. • Applied RLHF evaluation to ensure safety and quality in LLM outputs. • Developed working knowledge of annotation standards and calibration processes. • Managed tasks using Outlier and similar proprietary task interfaces.

2024 - Present

AI Trainer / Data Annotation & Quality Evaluation Specialist

OtherText
Reviewed and validated digital project outputs to ensure accuracy, consistency, and alignment with defined quality standards for AI training workflows. Produced structured written reports translating operational data into precise summaries for evaluative and RLHF projects. Developed and applied evaluation criteria to assess outputs against defined benchmarks, improving process quality and calibration. • Conducted multi-workstream data evaluations analogous to LLM and RLHF review. • Maintained detailed digital records and trackers in a fast-moving, remote environment. • Fed findings into process improvements, closely mirroring annotation guideline development. • Demonstrated structured, analytical communication required for AI output assessment.

Reviewed and validated digital project outputs to ensure accuracy, consistency, and alignment with defined quality standards for AI training workflows. Produced structured written reports translating operational data into precise summaries for evaluative and RLHF projects. Developed and applied evaluation criteria to assess outputs against defined benchmarks, improving process quality and calibration. • Conducted multi-workstream data evaluations analogous to LLM and RLHF review. • Maintained detailed digital records and trackers in a fast-moving, remote environment. • Fed findings into process improvements, closely mirroring annotation guideline development. • Demonstrated structured, analytical communication required for AI output assessment.

2025 - 2026

Education

F

Fanshawe College

Post-Graduate Certificate, Operations and Project Management

Post-Graduate Certificate
2023 - 2023
U

University of Lagos

Bachelor of Science, Business Administration

Bachelor of Science
2018 - 2018

Work History

C

Concord Premium Meats

Quality Assurance & Data Accuracy Specialist

Vaughan
2024 - 2025
I

Infinite Access Immigration

Data & Case Management Coordinator

Mississauga
2023 - 2024