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I’m Maxwell Calvin Onyango, an AI Data Annotation and Language Specialist based in Nairobi, Kenya. I support AI training and evaluation projects by reviewing and labeling text, image, audio, and video data, recording speech samples, and verifying transcription and language consistency. I’m fluent in Swahili and English, and I enjoy applying clear guidelines to ensure datasets are accurate, consistent, and useful for model development. In my work, I focus on quality—performing content moderation, bias and hallucination checks, fact verification, instruction-following assessment, and pairwise response ranking. I provide detailed feedback to help improve model alignment and user experience, and I’m comfortable working remotely with strong attention to detail, time management, and written communication.…I’m Maxwell Calvin Onyango, an AI Data Annotation and Language Specialist based in Nairobi, Kenya. I support AI training and evaluation projects by reviewing and labeling text, image, audio, and video data, recording speech samples, and verifying transcription and language consistency. I’m fluent in Swahili and English, and I enjoy applying clear guidelines to ensure datasets are accurate, consistent, and useful for model development. In my work, I focus on quality—performing content moderation, bias and hallucination checks, fact verification, instruction-following assessment, and pairwise response ranking. I provide detailed feedback to help improve model alignment and user experience, and I’m comfortable working remotely with strong attention to detail, time management, and written communication.

Maxwell Calvin Onyango

AI Evaluator, AI Trainer, Data Annotator, +3

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I’m Maxwell Calvin Onyango, an AI Data Annotation and Language Specialist based in Nairobi, Kenya. I support AI training and evaluation projects by reviewing and labeling text, image, audio, and video data, recording speech samples, and verifying transcription and language consistency. I’m fluent in Swahili and English, and I enjoy applying clear guidelines to ensure datasets are accurate, consistent, and useful for model development. In my work, I focus on quality—performing content moderation, bias and hallucination checks, fact verification, instruction-following assessment, and pairwise response ranking. I provide detailed feedback to help improve model alignment and user experience, and I’m comfortable working remotely with strong attention to detail, time management, and written communication.…I’m Maxwell Calvin Onyango, an AI Data Annotation and Language Specialist based in Nairobi, Kenya. I support AI training and evaluation projects by reviewing and labeling text, image, audio, and video data, recording speech samples, and verifying transcription and language consistency. I’m fluent in Swahili and English, and I enjoy applying clear guidelines to ensure datasets are accurate, consistent, and useful for model development. In my work, I focus on quality—performing content moderation, bias and hallucination checks, fact verification, instruction-following assessment, and pairwise response ranking. I provide detailed feedback to help improve model alignment and user experience, and I’m comfortable working remotely with strong attention to detail, time management, and written communication.

Available to hire

I’m Maxwell Calvin Onyango, an AI Data Annotation and Language Specialist based in Nairobi, Kenya. I support AI training and evaluation projects by reviewing and labeling text, image, audio, and video data, recording speech samples, and verifying transcription and language consistency. I’m fluent in Swahili and English, and I enjoy applying clear guidelines to ensure datasets are accurate, consistent, and useful for model development.

In my work, I focus on quality—performing content moderation, bias and hallucination checks, fact verification, instruction-following assessment, and pairwise response ranking. I provide detailed feedback to help improve model alignment and user experience, and I’m comfortable working remotely with strong attention to detail, time management, and written communication.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Intermediate

Intermediate

Intermediate

Intermediate

Intermediate

Language

Swahili

Fluent

English

Advanced

Work Experience

AI Model Trainer & AI Evaluation Specialist at TELUS Digital AI (Remote)

August 1, 2025 - Present

Evaluate AI-generated responses for factuality, relevance, reasoning quality, safety, and instruction-following. Rank multiple model responses using structured evaluation rubrics, and assess bias, hallucinations, policy compliance, and content accuracy. Conduct prompt-response evaluations and comparative assessments across AI tasks, while applying annotation guidelines and quality standards. Provide detailed written justifications for ranking decisions, and contribute human feedback to improve model alignment, response quality, and user experience. Maintain high productivity and quality metrics on AI training projects.

AI Model Trainer & AI Evaluation Specialist at TELUS Digital AI

August 1, 2025 - Present

Evaluate AI-generated responses for factuality, relevance, reasoning quality, safety, and instruction following. Rank multiple model responses using structured rubrics, and review outputs for bias, hallucinations, policy compliance, and content accuracy. Perform prompt-response and comparative assessments across different AI tasks, applying annotation guidelines and quality standards to ensure consistent results. Provide detailed written justifications to support evaluation decisions and contribute human feedback used to improve model alignment and response quality. Maintain strong productivity and quality metrics throughout remote AI training projects.

Freelance AI Data Annotation and AI Training Specialist

January 1, 2023 - Present

Participate in AI training projects using audio, video, image, and text datasets. Record high-quality audio samples for speech recognition and language model training. Complete video-based data collection assignments following instructions. Annotate and label datasets for AI model development, and evaluate AI-generated outputs for quality, accuracy, relevance, and consistency. Support pairwise comparison tasks for model evaluation and tag objects/actions/visual elements in image and video datasets. Review completed tasks, correct inconsistencies, meet deadlines, and ensure compliance with project guidelines.

Content Review and Data Collection Specialist

January 1, 2022 - Present

Support language-focused AI studies by reviewing audio and video recordings for quality, clarity, and adherence to project requirements. Verify transcription accuracy and language consistency, and perform quality control checks on collected datasets. Maintain accurate project records and submission documentation while following strict confidentiality and data protection requirements.

Content Review and Data Collection Specialist (Freelance)

January 1, 2022 - Present

Review speech and communication recordings (audio/video) for quality, clarity, and adherence to project requirements. Verify transcription accuracy and language consistency, and perform quality control checks on collected datasets. Keep accurate project records and submission documentation while following strict confidentiality and data protection requirements for study materials.