Victor Kariuki

Native Swahili and English linguist and AI language specialist with 3+ years of experience in linguistic data annotation, LLM evaluation, and multilingual content analysis. Advanced proficiency in English and Swahili grammar, noun class systems, verb morphology, syntax, semantics, pragmatics, and phonetics, with C1-level English fluency. Experienced in stress-testing large language models for reasoning accuracy, instruction-following, and cultural nuance.

Strong background in structured annotation, prompt engineering feedback, and documenting reproducible model failure cases to improve AI robustness.

AI Language Annotator & Model Evaluator at Remote (2024-01 – Present)

• Conduct multi-turn English and Swahili conversations with large language models to evaluate grammatical accuracy and logical reasoning.
• Identify failure modes in noun agreement, concord systems, derivational morphology, and idiomatic usage.
• Document reproducible error traces with structured reporting.
• Provide prompt-engineering improvement suggestions to enhance model alignment.
• Verify factual accuracy and cultural appropriateness in generated English and Swahili outputs.
• Maintain high annotation accuracy under QA review standards.

Freelance English and Swahili Linguist & Translator at Remote (2023-01 – Present)

• Translate and localize marketing, technical, and educational content (Swahili and English).
• Perform linguistic quality assurance for AI-generated text.
• Conduct syntax and morphology reviews for training datasets.
• Develop structured linguistic explanations for complex grammar cases.

Data Annotation Specialist (Multilingual AI Projects) at Remote (2023-01 – 2024-01)

• Labeled and categorized linguistic data including conversational AI prompts and responses.
• Annotated tone, intent, discourse markers, and pragmatic features.
• Applied detailed annotation guidelines for consistency and granularity.
• Contributed to speech recognition training datasets through transcription and segmentation tasks.

Master's Degree in Linguistics – University of Nairobi