Silas A.

Key Skills

Software

Appen

Other

Top Subject Matter

AI content evaluation

data annotation

and model safety

Top Data Types

Text

Top Task Types

Prompt + Response Writing (SFT)

Data Collection

Freelancer Overview

AI Evaluator & Data Annotation Specialist (Appen/CrowdGen). Brings 7+ years of professional experience across complex professional workflows, research, and quality-focused execution. Core strengths include Appen and Other. Education includes Bachelor of Computer Science, University of Ibadan (2023). AI-training focus includes data types such as Text and labeling workflows including Evaluation, Rating, and Prompt + Response Writing (SFT).

Labeling Experience

Freelance AI/Data Research & Annotation Support

OtherTextData Collection

Performed ongoing data research and analysis as a freelancer to support AI training and annotation workflows. Documented findings and delivered structured feedback to help refine project guidelines. Used spreadsheet-based analysis and basic Python tooling to improve efficiency in preparing training data or evidence. • Conducted research to support dataset development • Analyzed information using spreadsheets and Python • Documented results for traceability • Provided feedback to refine annotation or evaluation guidelines

2020 - Present

AI Evaluator & Data Annotation Specialist (Appen/CrowdGen)

AppenText

Served as an AI evaluator and data annotation specialist for Appen, assessing AI-generated and user-submitted content for logical reasoning and factual accuracy. Helped train model behavior by crafting and fact-checking high-complexity content designed for clarity, coherence, and nuanced communication. Produced structured feedback to refine project guidelines and improve evaluation consistency. • Evaluated model outputs against accuracy and reasoning criteria • Annotated/curated examples to reduce errors and hallucinations • Performed ethical judgment checks on outputs • Collaborated virtually to align with annotation standards

2022 - 2024

AI Content Specialist (Orbofi AI)

OtherTextPrompt + Response Writing (SFT)

Worked as an AI Content Specialist at Orbofi AI by drafting and refining high-complexity prompts to guide generative model training. Conducted rigorous verification of generated responses against primary sources to ensure factual accuracy and reduce hallucinations. Provided high-quality training materials focused on logical soundness and human-like, technically accurate text. • Wrote prompts across creative and technical domains • Verified outputs using primary references • Ensured 100% factual accuracy for responses • Iterated prompts to improve coherence and reasoning

2022 - 2023

Education

Work History