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Teddy Magati

@teddymagati

AI data annotation and ML support specialist improving LLMs through high-quality dataset preparation and evaluation.

Kenya
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What I'm looking for

I want a role where I can apply annotation and LLM evaluation skills, contribute to model improvement, work collaboratively in remote or hybrid teams, and grow in AI/NLP responsibilities.

I am an AI data annotation and machine learning support specialist with over 3 years of experience improving LLMs and NLP systems. I focus on dataset preparation, prompt testing, annotation quality, and evaluation to increase model accuracy and relevance.

My experience includes large-scale prompt testing, intent recognition, sentiment analysis, and supporting training pipelines for generative AI applications. I have provided structured feedback for iterative model improvement and contributed to quality assurance and classification accuracy efforts.

In roles at Remotask, OneForma, and App Work I assisted with training and deployment of LLM-powered applications, conducted user experience testing for chatbots and virtual assistants, and collaborated with engineers to refine AI-driven workflows using user feedback.

I bring strong attention to detail, time management, collaboration in remote teams, and hands-on experience with AI tools such as ChatGPT, Claude, Bard, and MidJourney. I am seeking opportunities to apply my annotation, prompt evaluation, and ML support skills in innovative AI or NLP teams.

Experience

Work history, roles, and key accomplishments

ON

AI Research Assistant

OneForma

Jan 2022 - Jun 2023 (1 year 5 months)

Conducted large-scale LLM prompt testing and provided structured feedback to improve model accuracy and relevance, and supported continuous program refinement through classification accuracy analysis.

RE

AI Data Annotator

Remotask

Jan 2022 - Jun 2023 (1 year 5 months)

Annotated and categorized large-scale NLP and LLM datasets for intent recognition, sentiment analysis, and prompt-response evaluation, improving dataset quality for training pipelines.

Education

Degrees, certifications, and relevant coursework

MS

Mwongori Secondary School

Kenya Certificate of Secondary Education (KCSE), General Secondary Education

Activities and societies: Served as Club Leader in the Debate Club; participated in table tennis and recognized as Best Table Tennis Player at the regional level.

Completed the Kenya Certificate of Secondary Education (KCSE) at Mwongori Secondary School.

Tech stack

Software and tools used professionally

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Teddy Magati - Machine Learning Support Specialist - App Work | Himalayas