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Hello! I'm John Afolabi, a Data and AI professional based in Liverpool, United Kingdom, with over five years of experience across data management, analytics, quality assurance, and AI training. In my current role as a Data Annotator (AI Trainer), I contribute to the development and safety of large language models by providing high-quality human feedback that guides model accuracy and reasoning. I bring a strong background in data governance, regulatory compliance, and structured documentation, and I enjoy collaborating with remote and cross-functional teams to deliver reliable AI solutions. I pride myself on attention to detail, analytical thinking, and the ability to work independently while supporting people-centered care and organizational policy adherence.…Hello! I'm John Afolabi, a Data and AI professional based in Liverpool, United Kingdom, with over five years of experience across data management, analytics, quality assurance, and AI training. In my current role as a Data Annotator (AI Trainer), I contribute to the development and safety of large language models by providing high-quality human feedback that guides model accuracy and reasoning. I bring a strong background in data governance, regulatory compliance, and structured documentation, and I enjoy collaborating with remote and cross-functional teams to deliver reliable AI solutions. I pride myself on attention to detail, analytical thinking, and the ability to work independently while supporting people-centered care and organizational policy adherence.

John Afolabi

Data Annotator, Data Analyst, Online Trainer, +1

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Hello! I'm John Afolabi, a Data and AI professional based in Liverpool, United Kingdom, with over five years of experience across data management, analytics, quality assurance, and AI training. In my current role as a Data Annotator (AI Trainer), I contribute to the development and safety of large language models by providing high-quality human feedback that guides model accuracy and reasoning. I bring a strong background in data governance, regulatory compliance, and structured documentation, and I enjoy collaborating with remote and cross-functional teams to deliver reliable AI solutions. I pride myself on attention to detail, analytical thinking, and the ability to work independently while supporting people-centered care and organizational policy adherence.…Hello! I'm John Afolabi, a Data and AI professional based in Liverpool, United Kingdom, with over five years of experience across data management, analytics, quality assurance, and AI training. In my current role as a Data Annotator (AI Trainer), I contribute to the development and safety of large language models by providing high-quality human feedback that guides model accuracy and reasoning. I bring a strong background in data governance, regulatory compliance, and structured documentation, and I enjoy collaborating with remote and cross-functional teams to deliver reliable AI solutions. I pride myself on attention to detail, analytical thinking, and the ability to work independently while supporting people-centered care and organizational policy adherence.

Available to hire

Hello! I’m John Afolabi, a Data and AI professional based in Liverpool, United Kingdom, with over five years of experience across data management, analytics, quality assurance, and AI training. In my current role as a Data Annotator (AI Trainer), I contribute to the development and safety of large language models by providing high-quality human feedback that guides model accuracy and reasoning.

I bring a strong background in data governance, regulatory compliance, and structured documentation, and I enjoy collaborating with remote and cross-functional teams to deliver reliable AI solutions. I pride myself on attention to detail, analytical thinking, and the ability to work independently while supporting people-centered care and organizational policy adherence.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Language

English

Fluent

Yoruba

Fluent

Work Experience

Data Annotator (AI Trainer) at Outlier

December 1, 2025 - Present

Annotate, evaluate, and refine AI-generated outputs to improve model accuracy, reasoning quality, and policy compliance. Train large language models by providing structured, high-quality human feedback across diverse task types. Review complex prompts and datasets with strict attention to detail, consistency, and quality benchmarks. Apply detailed annotation guidelines and meet productivity, accuracy, and performance metrics. Collaborate asynchronously with global teams to improve AI reliability, fairness, and safety.

Support Worker | On-site at Accomplish Ltd (Keys Group)

May 1, 2024 - November 1, 2025

Support service users to build independence, confidence, and essential life skills. Maintain accurate daily records of activities and care provided, reporting behavioural or health changes in line with company policies. Provide emotional support and companionship through attentive listening and empathy. Ensure a safe living environment by adhering to health and safety guidelines and supporting emergency response awareness. Assist service users with prescribed medication in accordance with care plans and organisational policies.

Data Analyst at Hempawa Consult

January 1, 2022 - April 1, 2024

Cleaned and prepared datasets by handling missing values, inconsistencies, and accuracy checks. Analysed data to identify trends, relationships, and anomalies to support decision-making. Collaborated with cross-functional teams to understand data needs and deliver actionable insights. Implemented data quality checks and ensured compliance with regulatory standards and organisational policies.

Data Associate at Hempawa Consult

May 1, 2018 - November 1, 2021

Managed and organised datasets to ensure accessibility and usability. Performed data validation to identify and correct errors, duplicates, and inconsistencies. Maintained and updated databases and datasets from relevant data sources. Handled sensitive information securely in compliance with data protection regulations.