Hello! I'm Stephen Samuel, a detail-oriented Data Annotator and AI Trainer with experience labeling text, images, audio, and video to improve model accuracy. I excel at following complex guidelines, maintaining high data quality, and delivering consistent results that support large language model development. I'm passionate about immersive digital experiences, narrative design, and building human-centered AI systems. I enjoy world-building, evaluating dialogue and narratives, and shaping interactive storytelling with a focus on clarity, structure, and a strong user experience. I thrive in collaborative settings with research and product teams to turn creative goals into precise data tasks and evaluation criteria.

Stephen Samuel

Hello! I'm Stephen Samuel, a detail-oriented Data Annotator and AI Trainer with experience labeling text, images, audio, and video to improve model accuracy. I excel at following complex guidelines, maintaining high data quality, and delivering consistent results that support large language model development. I'm passionate about immersive digital experiences, narrative design, and building human-centered AI systems. I enjoy world-building, evaluating dialogue and narratives, and shaping interactive storytelling with a focus on clarity, structure, and a strong user experience. I thrive in collaborative settings with research and product teams to turn creative goals into precise data tasks and evaluation criteria.

Available to hire

Hello! I’m Stephen Samuel, a detail-oriented Data Annotator and AI Trainer with experience labeling text, images, audio, and video to improve model accuracy. I excel at following complex guidelines, maintaining high data quality, and delivering consistent results that support large language model development.

I’m passionate about immersive digital experiences, narrative design, and building human-centered AI systems. I enjoy world-building, evaluating dialogue and narratives, and shaping interactive storytelling with a focus on clarity, structure, and a strong user experience. I thrive in collaborative settings with research and product teams to turn creative goals into precise data tasks and evaluation criteria.

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Language

English
Fluent
Hausa
Fluent

Work Experience

AI Data Annotator / Content Reviewer at Invisible Technology
October 1, 2025 - October 1, 2025
Reviewed, refined, and labeled annotated data to train educational and linguistic AI systems. Evaluated prompt-response pairs for factual accuracy and academic integrity; identified ambiguous or inconsistent data patterns to support QA. Assisted education-focused model training via ongoing content evaluation. Assessed AI-generated responses for correctness, tone, and readability; ensured compliance with data labeling and confidentiality protocols. Collaborated with AI research teams to enhance dataset quality and improve model performance.
AI Evaluation Specialist (Generalist) at DataForce
November 1, 2023 - November 1, 2023
Reviewed and analyzed generative AI outputs across multiple formats, identifying unsafe, misleading, or inaccurate content. Created original prompts to test AI behavior in complex and sensitive scenarios. Conducted comparative evaluations between human-written and AI-generated materials. Identified and flagged biased or misleading AI responses. Contributed to dataset improvements for AI learning alignment. Collaborated with global teams to standardize linguistic interpretation guidelines. Ensured compliance with data confidentiality and project-specific requirements. Maintained top-tier performance ratings across multiple AI content evaluation tasks.
Freelance Content Writer & Editor at Self-Employed – Remote
August 1, 2021 - August 1, 2021
Researched, wrote, and edited long-form articles, blogs, and educational resources across multiple domains. Proofread and refined client deliverables to ensure tone alignment and structural coherence. Created detailed content briefs and writing guidelines for team contributors. Coordinated with clients to refine messaging based on feedback and analytics. Delivered polished, ready-to-publish content under tight deadlines. Applied fact-checking and plagiarism detection to maintain originality and credibility. Developed strong client relationships through consistent quality and professionalism. Consistently improved client engagement metrics by an average of 25%.
AI Data Annotator / Content Reviewer at Invisible Technology
December 1, 2024 - October 1, 2025
Annotated text, video, image, and audio data to improve model accuracy; evaluated prompt-response pairs for factual accuracy and academic integrity; applied structured guidelines, Likert scoring, rubric-based assessments, and detailed quality checks; supported ongoing content evaluation for education-focused model training; reviewed AI-generated responses for correctness, tone, and readability; ensured compliance with data labeling and confidentiality protocols; collaborated with AI research teams to enhance dataset quality for improved model performance.
AI Trainer (Generalist) at DataForce
June 1, 2022 - November 1, 2023
Assessed and refined AI-generated educational content for clarity, tone, and factual correctness; ensured model outputs align with responsible AI development principles; identified and flagged biased or misleading AI responses; contributed to dataset improvements for AI learning alignment; collaborated with global teams to standardize linguistic interpretation guidelines; maintained data confidentiality and project-specific requirements; achieved top-tier performance ratings across multiple AI content evaluation tasks.
Freelance Content Writer & Editor at Self-Employed – Remote
June 1, 2020 - August 1, 2021
Researched, wrote, and edited long-form articles, blogs, and educational resources; proofread and refined client deliverables for tone and coherence; prepared detailed content briefs and writing guidelines; applied creative writing to craft stories, character motivations, and emotional tone; delivered polished content under tight deadlines; performed fact-checking and plagiarism detection; developed engaging written content for digital platforms, including narrative descriptions, dialogues, and scenario-building; adapted writing style for diverse audiences and purposes.

Education

B.A. in Literature at University of California
January 11, 2030 - January 1, 2017
Master of Art in Linguistics at Carnegie Mellon University
January 11, 2030 - January 1, 2022
B.A. in Literature at University of California
January 11, 2030 - January 1, 2017
Master of Arts in Linguistics at Carnegie Mellon University
January 11, 2030 - January 1, 2022

Qualifications

Data Annotation & AI Training Fundamentals – Coursera (offered by University of Michigan)
January 11, 2030 - November 7, 2025
Grammarly Professional Writing Certification – Grammarly Academy
January 11, 2030 - November 7, 2025
Data Annotation & AI Training Fundamentals
January 11, 2030 - April 29, 2026
Grammarly Professional Writing Certification
January 11, 2030 - April 29, 2026

Industry Experience

Media & Entertainment, Professional Services, Education, Software & Internet