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Cornelius Odenyo

Cornelius Odenyo

AI Response Evaluator (Freelance)

Kenya flagNairobi, Kenya
$30.00/hrEntry LevelAppenData Annotation TechRemotasks

Key Skills

Software

AppenAppen
Data Annotation TechData Annotation Tech
RemotasksRemotasks
Scale AIScale AI
Surge AISurge AI

Top Subject Matter

AI-generated text
Stem Domain Expertise
Coding Domain Expertise

Top Data Types

TextText
ImageImage
Computer Code ProgrammingComputer Code Programming

Top Task Types

RLHFRLHF
Prompt + Response Writing (SFT)Prompt + Response Writing (SFT)
ClassificationClassification
Text GenerationText Generation
Computer Programming/CodingComputer Programming/Coding

Freelancer Overview

AI Response Evaluator (Freelance). Core strengths include Other. Education includes Bachelor of Science, University of Nairobi (2019). AI-training focus includes data types such as Text and labeling workflows including Evaluation, Rating, and RLHF.

Entry LevelEnglishSwahili

Labeling Experience

Prompt Engineer & AI Tester

OtherTextPrompt Response Writing SFT
Designed and iterated prompts to test and refine AI model behaviors in generating text, images, and code. Created edge-case scenarios and analyzed prompt structure impact on output quality. Delivered targeted feedback to inform ongoing prompt engineering strategy improvements. • Developed testing scenarios for prompt effectiveness. • Assessed model performance on ambiguity and safety. • Evaluated output variation based on input manipulation. • Used iterative methods to improve AI reliability and utility.

Designed and iterated prompts to test and refine AI model behaviors in generating text, images, and code. Created edge-case scenarios and analyzed prompt structure impact on output quality. Delivered targeted feedback to inform ongoing prompt engineering strategy improvements. • Developed testing scenarios for prompt effectiveness. • Assessed model performance on ambiguity and safety. • Evaluated output variation based on input manipulation. • Used iterative methods to improve AI reliability and utility.

2020 - 2026

RLHF & Multimodal AI Training Specialist

OtherTextRLHF
Applied reinforcement learning from human feedback (RLHF) techniques to AI tasks spanning text-to-image, code generation, and conversations. Evaluated model outputs for safety, fidelity, and instruction alignment. Provided comprehensive feedback that improved AI model alignment and reduced failure rates in complex scenarios. • Reviewed multimodal outputs for quality and accuracy. • Guided model alignment through real-time feedback on reasoning chains. • Tackled challenging prompts requiring nuanced analysis. • Worked with diverse task categories and output modalities.

Applied reinforcement learning from human feedback (RLHF) techniques to AI tasks spanning text-to-image, code generation, and conversations. Evaluated model outputs for safety, fidelity, and instruction alignment. Provided comprehensive feedback that improved AI model alignment and reduced failure rates in complex scenarios. • Reviewed multimodal outputs for quality and accuracy. • Guided model alignment through real-time feedback on reasoning chains. • Tackled challenging prompts requiring nuanced analysis. • Worked with diverse task categories and output modalities.

2020 - 2026

AI Response Evaluator (Freelance)

OtherText
Evaluated and ranked AI-generated text, code, and image responses for relevance, accuracy, and safety. Authored structured justifications to support preference rankings in model training workflows. Identified and documented hallucinations, errors, and logical inconsistencies in outputs across STEM, coding, and general knowledge domains. • Assessed model outputs using consistent rubrics and quality standards. • Delivered detailed, actionable feedback for model trainers. • Improved AI outputs by rewriting substandard responses. • Contributed to thousands of AI output evaluations for alignment and safety.

Evaluated and ranked AI-generated text, code, and image responses for relevance, accuracy, and safety. Authored structured justifications to support preference rankings in model training workflows. Identified and documented hallucinations, errors, and logical inconsistencies in outputs across STEM, coding, and general knowledge domains. • Assessed model outputs using consistent rubrics and quality standards. • Delivered detailed, actionable feedback for model trainers. • Improved AI outputs by rewriting substandard responses. • Contributed to thousands of AI output evaluations for alignment and safety.

2020 - 2026

Content Reviewer & Data Annotator

OtherTextClassification
Labeled and categorized text and image datasets to support AI model training pipelines with high annotation accuracy. Reviewed multimodal content for relevance, appropriateness, and correctness across multiple languages. Consistently met SLAs while upholding rigorous quality standards on batch labeling projects. • Maintained annotation accuracy above platform requirements. • Labeled large-scale text and image datasets for training. • Reviewed content for tone, relevance, and correctness. • Supported multilingual and multimodal AI use cases.

Labeled and categorized text and image datasets to support AI model training pipelines with high annotation accuracy. Reviewed multimodal content for relevance, appropriateness, and correctness across multiple languages. Consistently met SLAs while upholding rigorous quality standards on batch labeling projects. • Maintained annotation accuracy above platform requirements. • Labeled large-scale text and image datasets for training. • Reviewed content for tone, relevance, and correctness. • Supported multilingual and multimodal AI use cases.

2023 - 2024

Education

U

University of Nairobi

Bachelor of Science, Computer Science

Bachelor of Science
2019 - 2019

Work History

F

Freelance

Freelancer

Nairobi
2020 - 2026