Ephraim O.

Key Skills

Software

Appen

Clickworker

Top Subject Matter

AI content evaluation and structured prompt-based generation

LLM prompt engineering

output structuring

Top Data Types

Text

Image

Document

Top Task Types

Prompt + Response Writing (SFT)

Freelancer Overview

YouTube Content Researcher & Channel Developer (AI-assisted content structuring). Brings 5+ years of professional experience across complex professional workflows, research, and quality-focused execution. Core strengths include Claude API. AI-training focus includes data types such as Text, Computer Code, and Programming and labeling workflows including Prompt + Response Writing (SFT), Evaluation, and Rating.

Labeling Experience

AI-Powered Tool Developer & Content Strategist (Claude API-powered prompt/annotation QC)

Created and iterated structured AI prompts and per-sentence prompt pipelines to achieve precise, consistent outputs. Applied strict stylistic labeling criteria to enforce scene and palette consistency across long-form script batches. Identified and resolved output inconsistencies by adjusting prompt parameters to improve guideline adherence, analogous to data annotation QC. • Prompt accuracy and structured output formatting for consistent generations • Guideline-driven validation and correction of model responses • Per-sentence pipeline application for large content batches • Output inconsistency debugging to meet annotation-like standards

2024 - Present

YouTube Content Researcher & Channel Developer (AI-assisted content structuring)

TextPrompt + Response Writing (SFT)

Evaluated AI-generated content for factual accuracy, tone alignment, and audience suitability to ensure usable outputs. Built niche-specific AI title and description generators using configurable intensity parameters that map to multi-variable categorization criteria. Managed large volumes of structured textual assets with consistent formatting standards across projects. • Quality evaluation against guidelines (tone, factuality, suitability) • Categorical/hierarchical labeling via configurable generation criteria • Structured metadata organization (titles/descriptions/scripts/prompts) • High-volume consistency checks for production readiness

2023 - Present

Education

Work History