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Jonathan Uchenna

Jonathan Uchenna

AI Model Evaluator / Data Annotator

Nigeria flagUmuahia, Nigeria
$20.00/hrIntermediateData Annotation TechMercorMicro1

Key Skills

Software

Data Annotation TechData Annotation Tech
MercorMercor
Micro1
MindriftMindrift
RemotasksRemotasks
Surge AISurge AI
TolokaToloka
TelusTelus

Top Subject Matter

LLM and Agent Systems
Legal Services & Contract Review
Regulatory Compliance & Risk Analysis

Top Data Types

TextText
DocumentDocument

Top Task Types

Bounding BoxBounding Box
SegmentationSegmentation
Object DetectionObject Detection
Text GenerationText Generation
Question AnsweringQuestion Answering
Evaluation/RatingEvaluation/Rating
TranscriptionTranscription
Prompt + Response Writing (SFT)Prompt + Response Writing (SFT)
Fine-tuningFine-tuning

Freelancer Overview

AI Model Evaluator / Data Annotator. Brings 2+ years of professional experience across legal operations, contract review, compliance, and structured analysis. Core strengths include Internal and Proprietary Tooling. Education includes Higher National Diploma, Federal Polytechnic, Oko (2022) and Ordinary National Diploma, Akanu Ibiam Federal Polytechnic, Unwana (2018). AI-training focus includes data types such as Text and labeling workflows including Evaluation and Rating.

IntermediateEnglishIgbo

Labeling Experience

AI Model Evaluator / Data Annotator

Text
Responsible for assessing and evaluating AI-generated textual outputs for quality and accuracy. Followed structured guidelines to ensure consistency in annotation and feedback for LLM and AI agent system development. Delivered evidence-based assessments and supported the improvement of natural language understanding models. • Performed regular LLM output quality assurance. • Provided prompt reviews and critical evaluations of model behavior. • Flagged anomalies, inconsistencies, and error patterns in generated data. • Maintained documentation and followed annotation workflows precisely.

Responsible for assessing and evaluating AI-generated textual outputs for quality and accuracy. Followed structured guidelines to ensure consistency in annotation and feedback for LLM and AI agent system development. Delivered evidence-based assessments and supported the improvement of natural language understanding models. • Performed regular LLM output quality assurance. • Provided prompt reviews and critical evaluations of model behavior. • Flagged anomalies, inconsistencies, and error patterns in generated data. • Maintained documentation and followed annotation workflows precisely.

2025 - Present

Education

F

Federal Polytechnic, Oko

Higher National Diploma, Computer Engineering

Higher National Diploma
2020 - 2022
A

Akanu Ibiam Federal Polytechnic, Unwana

Ordinary National Diploma, Computer Engineering

Ordinary National Diploma
2016 - 2018

Work History

M

Maple Healthcare

Facility Manager

Umuahia
2026 - Present
M

Mea Mater Computer Cafe

Technical Support Manager

Umuahia
2025 - Present