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O
Onesimus Madaki

Onesimus Madaki

Data Analytics Instructor - AI Training/Data Annotation

Nigeria flagJos, Nigeria
$17.00/hrEntry LevelMercorClickworker

Key Skills

Software

MercorMercor
ClickworkerClickworker

Top Subject Matter

Data Analytics
Sales Domain Expertise
Marketing Domain Expertise

Top Data Types

TextText
DocumentDocument

Top Task Types

ClassificationClassification
Text GenerationText Generation
Text SummarizationText Summarization
Question AnsweringQuestion Answering
TranscriptionTranscription
Fine-tuningFine-tuning

Freelancer Overview

Data Analytics Instructor - AI Training/Data Annotation. Brings 4+ years of professional experience across complex professional workflows, research, and quality-focused execution. Core strengths include Internal and Proprietary Tooling. Education includes Bachelor of Science, Ahmadu Bello University. AI-training focus includes data types such as Text and labeling workflows including Classification.

Entry LevelEnglish

Labeling Experience

Data Analytics Instructor - AI Training/Data Annotation

TextClassification
As a Data Analytics Instructor, I provided AI training by teaching students structured data analysis and annotation practices. I created exercises simulating real-world data annotation tasks and guided students in ensuring data integrity and accuracy. The focus was on consistent data cleaning, annotation, and validation for learning and QA workflows. • Guided 8 students through practical data annotation exercises • Instructed on quality assurance and validation techniques for labeled data • Emphasized structured dataset handling and annotation accuracy • Fostered real-world AI training scenarios using sales and marketing datasets

As a Data Analytics Instructor, I provided AI training by teaching students structured data analysis and annotation practices. I created exercises simulating real-world data annotation tasks and guided students in ensuring data integrity and accuracy. The focus was on consistent data cleaning, annotation, and validation for learning and QA workflows. • Guided 8 students through practical data annotation exercises • Instructed on quality assurance and validation techniques for labeled data • Emphasized structured dataset handling and annotation accuracy • Fostered real-world AI training scenarios using sales and marketing datasets

2025 - Present

Education

A

Ahmadu Bello University

Bachelor of Science, Economics

Bachelor of Science
Not specified

Work History

D

Dev Kings Technologies

Data Analytics Instructor

Jos
2025 - Present
T

The God-Life Assembly Int’l

Administrative Pastor / Head of Administration

Jos
2023 - 2025