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Arnold Okoyo

Arnold Okoyo

AI Trainer | Data Analyst | LLM Evaluator | Python & Prompt Engineer

Kenya flagSpartanburg, SC , Kenya
$30.00/hrExpertCloudfactoryData Annotation TechFigure Eight

Key Skills

Software

CloudFactoryCloudFactory
Data Annotation TechData Annotation Tech
Figure EightFigure Eight
HiveMindHiveMind
LabelImgLabelImg
Mighty AIMighty AI
MindriftMindrift
OneFormaOneForma
Label StudioLabel Studio
LabelboxLabelbox

Top Subject Matter

No subject matter listed

Top Data Types

AudioAudio
Computer Code ProgrammingComputer Code Programming
ImageImage

Top Task Types

ClassificationClassification
Computer Programming/CodingComputer Programming/Coding
Evaluation/RatingEvaluation/Rating
Prompt + Response Writing (SFT)Prompt + Response Writing (SFT)
RoutingRouting

Freelancer Overview

Freelance AI trainer and data analyst with a B.Sc. in Mathematics and over 3 years of hands-on experience in Python, LLM evaluation, prompt engineering, and structured data workflows. Skilled in designing challenging prompts, correcting AI outputs, and scoring LLM performance using domain specific criteria. Experienced with JSON, Markdown, Python scripting, and QA. Adept at training AI systems in text generation, classification, summarization, and functional testing. Passionate about advancing ethical AI through accuracy, reasoning, and human-aligned feedback.

ExpertEnglish

Labeling Experience

Label Studio

Freelance AI Trainer / Prompt Engineer

Label StudioComputer Code ProgrammingClassificationText Generation
Reviewed, annotated, and scored AI-generated text and Python code for correctness, safety, and coherence. Tasks included prompt-response writing, logic evaluation, red teaming, and classification. Developed scoring rubrics and delivered structured feedback using Markdown and JSON formats. Used internal tooling and scripts to streamline QA and workflow efficiency. Labeled thousands of outputs across diverse domains including reasoning, programming, summarization, and conversational flow.

Reviewed, annotated, and scored AI-generated text and Python code for correctness, safety, and coherence. Tasks included prompt-response writing, logic evaluation, red teaming, and classification. Developed scoring rubrics and delivered structured feedback using Markdown and JSON formats. Used internal tooling and scripts to streamline QA and workflow efficiency. Labeled thousands of outputs across diverse domains including reasoning, programming, summarization, and conversational flow.

2024
Labelbox

AI Workflow Specialist (Contract)

LabelboxTextClassificationQuestion Answering
Worked on internal QA and data labeling tasks for a U.S.-based AI platform. Reviewed thousands of LLM outputs for logic, syntax, structure, factual consistency, and instruction following. Assigned scores using structured criteria, categorized responses, and flagged problematic completions. Created tools to semi-automate parts of the annotation process. Delivered high-consistency feedback using Python, JSON, and platform-integrated tools.

Worked on internal QA and data labeling tasks for a U.S.-based AI platform. Reviewed thousands of LLM outputs for logic, syntax, structure, factual consistency, and instruction following. Assigned scores using structured criteria, categorized responses, and flagged problematic completions. Created tools to semi-automate parts of the annotation process. Delivered high-consistency feedback using Python, JSON, and platform-integrated tools.

2023 - 2023

Education

U

University of Texas, Austin

Bachelor of Science, Mathematics

Bachelor of Science
2023

Work History

S

Summit Data Solutions

Data Analyst

Spartanburg County
2023 - 2023
L

Lumen Marketing Group

Data Analyst – Marketing Insights

Chicago
2022 - 2023