chepkirui dorothy
@chepkiruidorothy
AI Trainer specializing in RLHF, prompt engineering, and Python-backed technical writing for reliable model outputs.
What I'm looking for
I’m a detail-oriented AI Trainer focused on Reinforcement Learning from Human Feedback (RLHF), response ranking, and prompt optimization. I evaluate and rank AI-generated responses for accuracy, relevance, and reasoning quality, then apply RLHF techniques to improve large language model outputs. I also design and test prompts for code generation and debugging, and provide structured feedback to help address model weaknesses.
Alongside my RLHF work, I write technical content that helps developers build with confidence—publishing step-by-step tutorials and documentation on Python, Django, ORM, and APIs. I’ve created beginner-friendly, real-world resources (including examples integrating Python with communication APIs), and I bring a strong backend mindset to my writing and dataset work. I aim to produce consistently high-quality outputs and clear guidance that make AI systems and developer workflows more reliable.
Experience
Work history, roles, and key accomplishments
AI Trainer (RLHF Specialist)
Freelance / Project-Based
Jan 2024 - Present (2 years 4 months)
Evaluated and ranked AI-generated responses by accuracy, relevance, and reasoning quality, applying RLHF to improve large language model outputs. Performed data labeling/annotation and designed prompts for code generation, debugging, and optimization while providing structured feedback to address model weaknesses.
Contract Technical Writer
Earthly Technologies
Jan 2023 - Present (3 years 4 months)
Wrote technical guides covering backend best practices and developer workflows, including Git, DevOps, and Django customization. Produced documentation to support practical implementation of engineering processes and tooling.
Freelance Technical Writer
The Python Code
Nov 2022 - Dec 2023 (1 year 1 month)
Created tutorials on Django REST Framework and API development, focusing on real-world coding applications. Produced clear educational content to help developers build and understand backend APIs.
Education
Degrees, certifications, and relevant coursework
chepkirui hasn't added their education
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Tech stack
Software and tools used professionally
Availability
Location
Authorized to work in
Portfolio
github.com/chepkiruidorothyJob categories
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