Marvelous O.

Key Skills

Software

Don't disclose

Other

Top Subject Matter

LLM prompt testing and response evaluation

Text content generation and publishing (audience-targeted)

Top Data Types

Text

Document

Top Task Types

Prompt + Response Writing (SFT)

Freelancer Overview

AI Prompt Engineer & Model Tester (Personal Projects). Brings 4+ years of professional experience across complex professional workflows, research, and quality-focused execution. Core strengths include Don't disclose and Other. Education includes Senior Secondary School Certificate Examination, Rosyland Comprehensive College (2023) and First School Leaving Certificate, Babs Nursery and Primary School (2017). AI-training focus includes data types such as Text and labeling workflows including Evaluation, Rating, and Prompt-Response Writing.

Labeling Experience

Self-Published Author — Kindle Direct Publishing (KDP)

OtherTextPrompt + Response Writing (SFT)

Wrote, formatted, and published books using Amazon KDP, combining structured content creation with iterative research and audience targeting. Developed outlines to improve clarity and readability and managed the end-to-end publishing workflow independently. While not explicitly labeled as machine learning training, the work includes systematic generation and refinement of textual content intended for specific audiences. • Wrote and formatted book manuscripts for KDP publication • Researched market trends to tailor content to target audiences • Structured outlines to ensure clarity and readability • Managed the full publishing pipeline independently

2026 - Present

AI Prompt Engineer & Model Tester (Personal Projects)

Don't discloseText

Performed AI prompt engineering and model testing by generating prompts to probe model reasoning and capabilities. Evaluated AI outputs for accuracy, logic, inconsistencies, biases, and errors, then documented results for improvement. Produced detailed feedback to support iterative model refinement. • Generated and refined creative prompts for capability testing • Compared AI responses to assess correctness and logical consistency • Flagged inconsistencies, biases, and reasoning errors in outputs • Recorded findings and provided improvement feedback

2025 - Present

Education

Work History