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Jonathan Iwunze

Jonathan Iwunze

AI Data Evaluator (Contract) — Appen

Nigeria flagCalabar, Nigeria
$15.00/hrIntermediateAppen

Key Skills

Software

AppenAppen

Top Subject Matter

Large Language Models
Legal Services & Contract Review
Regulatory Compliance & Risk Analysis

Top Data Types

TextText
ImageImage
DocumentDocument

Top Task Types

Evaluation/RatingEvaluation/Rating
Text SummarizationText Summarization
Question AnsweringQuestion Answering
Text GenerationText Generation
ClassificationClassification

Freelancer Overview

AI Data Evaluator (Contract) — Appen. Brings 30+ years of professional experience across legal operations, contract review, compliance, and structured analysis. Core strengths include Appen. Education includes Diploma, Shaw Academy (2022) and Certificate, Pan Atlantic University (2020). AI-training focus includes data types such as Text and labeling workflows including Evaluation and Rating.

IntermediateEnglishYorubaIgbo

Labeling Experience

Appen

AI Data Evaluator (Contract) — Appen

AppenText
As an AI Data Evaluator at Appen, I performed dataset labeling and quality assurance for AI training pipelines. Responsibilities included evaluating large language model outputs for accuracy, relevance, and reasoning quality. I utilized structured evaluation guidelines and frameworks to rank and compare AI-generated responses. • Identified hallucinations and logical inconsistencies in model-generated text • Ensured compliance with detailed annotation guidelines • Contributed to the development of high-quality training datasets for LLMs • Supported quality assurance in the AI model evaluation process

As an AI Data Evaluator at Appen, I performed dataset labeling and quality assurance for AI training pipelines. Responsibilities included evaluating large language model outputs for accuracy, relevance, and reasoning quality. I utilized structured evaluation guidelines and frameworks to rank and compare AI-generated responses. • Identified hallucinations and logical inconsistencies in model-generated text • Ensured compliance with detailed annotation guidelines • Contributed to the development of high-quality training datasets for LLMs • Supported quality assurance in the AI model evaluation process

2022 - 2023

Education

S

Shaw Academy

Diploma, SEO and Digital Marketing

Diploma
2022 - 2022
P

Pan Atlantic University

Certificate, Solutions and Data Journalism

Certificate
2020 - 2020

Work History

S

Spynetwork Online Media

Freelance Photojournalist

Calabar
2018 - Present
J

Jmax Digiworks

Social Media Manager

Calabar
2010 - Present