D
Derrick Karanja
About
Detail
AI Training Specialist
Nairobi, Nairobi County, Kenya
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work
Full-time jobs
Starting at
USD30/hour
Résumé
Jobs
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AI Image Quality EvaluatoriMeritJan 2026 - Apr 2026 (4 months)Perform side-by-side evaluation of AI-generated images for quality and prompt alignment. Analyze prompts for intent and context to guide evaluation decisions. Apply structured evaluation guidelines for consistent scoring. Provide preference labels to improve generative AI model training.- AI Evaluation Analyst (Business Analyst)TuringOct 2025 - Apr 2026 (7 months)Conduct side-by-side evaluation of AI-generated outputs for accuracy, relevance, and reasoning quality. Perform text analysis, fact-checking, and verification using reliable sources. Apply structured AI training evaluation frameworks to assess model responses. Provide detailed, structured feedback to improve AI model performance. Use browser-based tools and workflows for analysis and review. Support AI model training through benchmarking and performance evaluation.
- CData Annotation & AI Evaluation SpecialistCVAT.AI & Youth for TechAug 2022 - Sep 2024 (2 years 2 months)Annotated and evaluated 10,000+ datasets used for AI model training and testing. Performed text analysis, classification, and fact-checking for NLP datasets. Supported AI training pipelines through structured labeling and validation. Worked across multiple domains (NLP, CV, LLM datasets), acting as a generalist AI data specialist. Identified inconsistencies and improved dataset accuracy through QA review processes. Ensured high-quality labeled data for training and evaluation of AI systems.
- 33D Data Labeling & AV AnnotatorNov 2021 - Feb 2024 (2 years 4 months)Performed LiDAR and multi-sensor annotation for autonomous vehicles. Executed 3D cuboid labeling, tracking, and segmentation tasks. Maintained high-quality datasets for self-driving car training. Identified edge cases and improved annotation guidelines.
- EAI Training Specialist | LLM Evaluation and Text Analysis verified_user Verified experience public Remote experienceErud AIOct 2021 - Mar 2026 (4 years 6 months)Supported AI model training by evaluating LLM outputs for accuracy, reasoning, and factual correctness Performed structured text analysis and fact-checking on AI-generated responses Identified errors, hallucinations, and inconsistencies in model outputs Applied evaluation guidelines to improve dataset quality for training AI systems Worked as a generalist evaluator across multiple domains (text, reasoning, conversational AI tasks) Contributed to improving model performance through structured feedback and correction loops
- AI Content Quality ReviewerCloudFactoryApr 2021 - Jun 2025 (4 years 3 months)Supported AI model training by reviewing and validating image, video, and text datasets. Conducted text analysis and structured evaluation of annotated AI training data. Verified accuracy of labels, classifications, and structured dataset outputs. Performed QA checks to ensure correctness and consistency across multi-modal datasets. Worked as a generalist evaluator across multiple data types (text, image, video). Identified errors and improved dataset quality through corrective feedbac
Education
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- MBSc. Mathematics and Computer ScienceMeru University Of Science And TechnologySep 2021 - May 2025 (3 years 9 months)Expected May 2025
Projects (professional or personal)
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- AAI Text Quality Evaluation ProjectOct 2021 - May 2022 (8 months)Evaluated structured text datasets for clarity, grammar, and factual consistency. Performed basic fact-checking on training examples used for early NLP model testing. Classified text responses based on correctness, coherence, and instruction adherence. Supported dataset preparation for language model training experiments. Worked across multiple text domains (conversational, instructional, and QA data).
- LLanguage Annotation & Grammar Evaluation ProjectSep 2021 - Jan 2026 (4 years 5 months)Annotated and reviewed text data for grammar, structure, and readability improvements. Identified inconsistencies in sentence construction and corrected structured datasets. Applied evaluation guidelines to classify text quality for AI training use. Supported early-stage AI model training datasets for NLP experiments. Worked as a generalist across multiple annotation tasks including classification and review.