Open to opportunities

Abdulhafiz Suleiman

@abdulhafizsuleiman1

Message

Data annotation and AI evaluation specialist improving LLM factuality and reasoning.

Nigeria

Message

What I'm looking for

I seek roles where I can improve LLM factuality and reasoning using biological expertise, strong QA processes, and collaborative, ethics-focused teams.

I am an analytical Data Annotation and AI Evaluation Specialist with over five years of experience training and fine-tuning Large Language Models across biology, medicine, and general reasoning domains.

I design prompts, develop evaluation rubrics, and deliver high-quality annotations (text, image, audio, video), contributing to measurable improvements in model factual accuracy and reasoning depth.

I combine a scientific background (DVM) with hands-on experience in AI tools and annotation platforms to build trustworthy, ethically aligned AI systems and mentor junior annotators.

Experience

Work history, roles, and key accomplishments

Current

AI Trainer & Evaluator

Current

Freelance

Jan 2019 - Present (6 years 10 months)

Designed and evaluated prompts and model responses to improve LLM factual accuracy and reasoning, delivered 15,000+ high-quality annotations with 99% accuracy and developed evaluation rubrics used across projects.

Prompt Engineering Data Annotation Multimodal Curation Annotations Model Alignment

Biology Domain Expert

Independent Contributor

Jan 2018 - Dec 2019 (1 year 11 months)

Applied biological expertise to create and validate life-sciences QA datasets and evaluation prompts, ensuring scientific correctness and improving model domain comprehension.

QA Testing Fact Checking Terminology Review