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Lazarus Oriengo

@lazarusoriengo

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AI Trainer and LLM evaluator at iMERIT who evaluated prompts and improved model responses.

Kenya

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What I'm looking for

I’m seeking remote or contract roles in AI training, annotation, LLM evaluation, or QA.

At SAMA, I progressed from Associate to Subject Matter Expert and QA responsibilities across AI projects. I reviewed AI/ML datasets for accuracy, consistency, and compliance with client guidelines.

At iMERIT, I conducted LLM evaluation and AI training tasks to optimize model responses. I assessed prompts for safety, alignment, and accuracy, and completed transcription using linguistic guidelines.

I’ve also worked on data categorization and sentiment analysis across AI datasets. I’m available for remote and contract roles in AI training, annotation, LLM evaluation, and QA.

Experience

Work history, roles, and key accomplishments

Freelance LLM & Transcription Expert

iMERIT

May 2026 - Jun 2026 (1 month)

Conducted LLM evaluation and AI training tasks, performed prompt evaluation for safety and alignment, and completed high-accuracy transcription. Executed data categorization and sentiment analysis across structured AI datasets.

LLM Evaluation Prompt Evaluation Transcription Data Categorization Sentiment Analysis AI Training

Associate | Subject Matter Expert (SME) | QA

SAMA

Jan 2019 - Apr 2026 (7 years 3 months)

Progressed from Associate to Subject Matter Expert and Quality Assurance roles, performing QA on AI/ML datasets and ensuring compliance with client guidelines. Managed data labeling tasks, identified edge cases, and collaborated with cross-functional teams to maintain dataset standards.

Data Annotation Quality Assurance AI ML Training Data Labeling Guideline Compliance Edge case identification Data Categorization Teamwork

Youth Peer Provider (YPP)

Carolina For Kibera (CFK)

Apr 2016 - Dec 2018 (2 years 8 months)

Participated in youth-focused community programs, peer support, and reproductive health outreach. Communicated critical health information to young people using evidence-based peer engagement strategies.

Peer Support Community Outreach Health Education Communication Skills