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Anthony Eneh

@anthonyeneh

Freelance AI Trainer with Scale AI, Appen and Outlier AI, evaluating model responses and testing LLM prompts for edge cases.

Nigeria

Message

What I'm looking for

I'm seeking remote contract work helping leading AI companies refine large language models.

With Scale AI, Appen and Outlier AI, I evaluate model responses for safety, truthfulness and instruction-following, and write prompts to test LLM edge cases. I documented recurring failure modes for client feedback and achieved a 98.6% consistency score on gold-standard test questions.

Across freelance annotation projects, I labeled text for named entity recognition and sentiment, and created image-segmentation labels for computer vision. I also built a comparative accuracy matrix by running prompts across GPT-4, Claude and Gemini, and used regex and basic Python scripts to clean CSV data.

Experience

Work history, roles, and key accomplishments

Current

Freelance AI Trainer

Current

Scale AI, Appen and OutlierAI

Oct 2021 - Present (5 years)

Evaluated 200+ model responses per week for safety, truthfulness, and instruction-following across 15+ behavioral categories. Wrote and rewrote prompts to test edge cases in reasoning, coding, and creative writing for LLMs.

LLM Evaluation Prompt Engineering Adversarial Testing Response Ranking Safety Truthfulness Instruction Following Reasoning Coding Creative Writing

Current

Virtual Assistant / Copy Editor / Data Entry

Current

Self-Employed

Jan 2021 - Present (5 years 9 months)

Managed 10+ clients' data workflows, ensuring 100% on-time delivery. Used regex and basic Python scripts to clean 10k+ rows of messy CSV data.

Data Entry Data Cleaning Python Regex CSV Workflow Management

Data Annotator & Quality Reviewer

Upwork / Fiverr / HiddenRoad

Oct 2021 - Aug 2024 (2 years 10 months)

Annotated 5,000+ text samples for named entity recognition (NER) and sentiment polarity with 99% inter-rater reliability. Created image segmentation labels for computer vision training and trained 2 junior annotators, reducing rework by 30%.

Data Annotation Named Entity Recognition Sentiment Analysis Image Segmentation Bounding Boxes Polygon Training Quality Assurance