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Michael JenniferMJ
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Michael Jennifer

@michaeljennifer

AI Training and Data Annotation specialist optimizing model accuracy through high-quality multilingual, multimodal datasets.

Nigeria
Message

What I'm looking for

I seek roles where I can apply multilingual/multimodal annotation and QA to improve AI model accuracy, with emphasis on ethical labeling, localization, and measurable impact.

I am an AI Training and Data Annotation specialist with over two years' experience improving model performance across linguistic, multimedia, and STEM domains. I consistently deliver high annotation accuracy (above 98%), drove a 22% improvement in search relevance, and supported LLM and ASR enhancements through targeted dataset curation.

I bring technical adaptability, localization and linguistic QA expertise, and hands-on experience with computer vision labeling, transcription, sentiment analysis, and dataset management (including training in Amazon SageMaker). I prioritize ethical labeling, bias mitigation, and process standardization to ensure measurable gains in model reliability and user satisfaction.

Experience

Work history, roles, and key accomplishments

RS

Data Annotation and Media Analyst

RSW Data Solutions

Feb 2024 - Jan 2025 (11 months)

Annotated image/video datasets enabling 95% object-recognition validation, executed sentiment analysis on 1,000+ social media entries, and curated domain-specific datasets to support AI fine-tuning and model testing.

Education

Degrees, certifications, and relevant coursework

UJ

University of Jos

Master of Science, Cybersecurity

Master of Science in Cybersecurity from the University of Jos focusing on cybersecurity principles and practices.

KU

Kaduna State University

Bachelor of Science, Computer Science

Bachelor of Science in Computer Science from Kaduna State University covering core computing fundamentals and software development.

Tech stack

Software and tools used professionally

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