sui generis
@benard_kimani
Trilingual AI data annotation & evaluation specialist: RLHF, prompt engineering, response ranking, video/text labeling, content moderation.
What I'm looking for
I'm a trilingual data annotation and AI evaluation specialist based in Nairobi, Kenya, working across Swahili, English, and Kikuyu. Over the past two years, I've built hands-on experience in RLHF workflows, prompt engineering, and AI response ranking — evaluating AI-generated content for helpfulness, tone, and accuracy, and applying structured guidelines to keep quality consistent across high-volume projects.
Currently, I work as a Video Data Labeling Specialist at Atlas Capture, where I label each segment of an episode accurately, processing 400+ videos a week with a 95% QA accuracy rate. I also have annotation skills in bounding boxes, object tracking, and keyframe interpolation using tools such as CVAT. Alongside this, I work independently with multiple clients and platforms — including Perle (Winnow) and GoTranscript — on text annotation, transcription, content moderation, and fact-checking work, and I handle client communications reviewing written content for tone and factual accuracy.
I have a background in health sciences research, currently pursuing a nursing degree, and I've completed certifications in global health and health systems from Yale and Johns Hopkins — which gives me a useful edge when evaluating health-related datasets. I'm drawn to work that combines linguistic precision with analytical judgment, and I enjoy the fast-paced, detail-driven nature of annotation and evaluation work. I'm a quick learner on new browser-based tools (CVAT, Encord) and thrive working independently against tight deadlines.
Experience
Work history, roles, and key accomplishments
Video Data Labeling Specialist
Atlas Capture
Aug 2025 - Present (1 year)
Label and annotate video content frame-by-frame for AI training datasets, applying bounding boxes, object tracking, and keyframe interpolation. Process 400+ videos per week while maintaining a 95% QA accuracy rate.
Client Communications Associate
Freelance
Jun 2025 - Present (1 year 2 months)
Apply analytical judgment and guideline interpretation to review and respond to written content, evaluating tone, relevance, and factual accuracy.
Data Annotation & AI Evaluation Specialist
Independent Contractor
Jan 2024 - Present (2 years 7 months)
Perform data annotation and labeling across text-based datasets for multiple concurrent clients, maintaining accuracy and consistency with client-specific guidelines. Conduct AI response evaluation, comparative ranking, and quality scoring to support RLHF model training.
Education
Degrees, certifications, and relevant coursework
Jomo Kenyatta University of Agriculture and Technology
Bachelor of Science, Nursing
Pursuing a Bachelor of Science in Nursing, currently in Year 2, Trimester 3.
Alison
Prompt Engineering, Generative AI, Certificate
2026 - 2026
Activities and societies: Completed hands-on exercises in prompt design, refinement, and testing; practiced chain-of-thought prompting, tone/persona control, token and context-window management, and techniques to reduce ambiguity and hallucination in generative AI outputs.
Free, CPD-accredited self-paced course covering prompt engineering fundamentals for generative AI — including tokens, context windows, temperature, top-p, system vs. user prompts, and ethical concerns such as bias, privacy, and hallucination management.
Johns Hopkins University
Certificate, Global Health Systems
2025 - 2025
Activities and societies: Completed graded assignments analyzing WHO's six health system building blocks, with focus on primary health care and human resource capacity building in low- and middle-income countries.
Course on the core components of health systems per WHO guidance, covering health service organization, systems components, workforce development, and health policy advocacy.
Yale University
Certificate, Maternal and Newborn Health
2025 - 2025
Activities and societies: Studied the Quality Maternal and Newborn Care Framework from the 2014 Lancet Series on Midwifery; reviewed case studies and expert contributions from low-, middle-, and high-resource settings.
Course on high-quality maternal and newborn care, focused on the midwifery model of care and its evidence base for improving maternal and infant health outcomes globally.
Yale University
Certificate, Global Health
2024 - 2024
Activities and societies: Completed graded quizzes and assignments across six modules covering global disease burden, health disparities, and health systems, with focus on low- and middle-income countries.
Comprehensive introduction to global health, examining what people get sick and die from, who is most affected, and cost-effective, sustainable approaches to addressing major health challenges worldwide.
Tech stack
Software and tools used professionally
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Location
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