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Princewill John

Freelance AI Data Contributor & Annotator

NIGERIA flag
lagos, Nigeria
$25.00/hrExpertAppen

Key Skills

Software

AppenAppen

Top Subject Matter

General AI/NLP
Conversational AI
Search Quality

Top Data Types

TextText
ImageImage

Top Task Types

Text Generation
Evaluation Rating
Function Calling
Segmentation
Classification

Freelancer Overview

Freelance AI Data Contributor & Annotator. Brings 9+ years of professional experience across complex professional workflows, research, and quality-focused execution. Core strengths include Appen. Education includes Bachelor of Science, Arizona State University (2023) and Certificate, KodeCamp (2022). AI-training focus includes data types such as Text and labeling workflows including Evaluation and Rating.

ExpertDutchFrenchEnglish

Labeling Experience

Appen

Freelance AI Data Contributor & Annotator

AppenText
As a Freelance AI Data Contributor & Annotator, I completed data annotation, evaluation, and RLHF pipelines on major AI platforms. My main responsibilities included evaluating AI-generated text, ranking prompts for LLMs, and conducting search quality ratings across English and Igbo. I participated in both transcription and text labeling tasks for conversational AI and speech models. • Completed 500+ high-quality annotation and evaluation assignments • Consistently maintained scores above 95% quality benchmark • Adhered strictly to evolving and ambiguous task instructions • Worked with multiple concurrent client platforms, including Appen

As a Freelance AI Data Contributor & Annotator, I completed data annotation, evaluation, and RLHF pipelines on major AI platforms. My main responsibilities included evaluating AI-generated text, ranking prompts for LLMs, and conducting search quality ratings across English and Igbo. I participated in both transcription and text labeling tasks for conversational AI and speech models. • Completed 500+ high-quality annotation and evaluation assignments • Consistently maintained scores above 95% quality benchmark • Adhered strictly to evolving and ambiguous task instructions • Worked with multiple concurrent client platforms, including Appen

2022 - 2023

Education

A

ALX Africa

Certificate, Software Engineering and Technology

Certificate
2023 - 2023
A

Arizona State University

Bachelor of Science, Computer Science

Bachelor of Science
2019 - 2023

Work History

S

Self-Employed

Freelance Creative Writer & Content Strategist

Arizona
2020 - Present
P

Private Tutoring

English & Spanish Language Tutor

Arizona
2019 - 2022