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John Ayomizy

John Ayomizy

Data Analyst, Business Analyst, Business Intelligence (AI Training, Annotation, & Data Validation)

NIGERIA flag
Lagos, Nigeria
$35.00/hrIntermediateMindriftTelusData Annotation Tech

Key Skills

Software

MindriftMindrift
TelusTelus
Data Annotation TechData Annotation Tech
LabelImgLabelImg

Top Subject Matter

AI Model Prompt Engineering and Evaluation
Financial Analytics AI Training
Data Labelling

Top Data Types

TextText
DocumentDocument
ImageImage

Top Task Types

Prompt Response Writing SFT
Data Collection
Function Calling
Evaluation Rating
Computer Programming Coding

Freelancer Overview

Business Analyst (AI Training, Annotation, & Data Validation). Brings 3+ 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, Kwara State University (2022). AI-training focus includes data types such as Text and labeling workflows including Prompt + Response Writing (SFT).

IntermediateYorubaEnglish

Labeling Experience

Business Analyst (AI Training, Annotation, & Data Validation)

TextPrompt Response Writing SFT
As a Business Analyst at Turing, I worked on AI training, annotation, and data validation projects with a focus on enhancing model accuracy. Responsibilities included building AI prompts, developing evaluation outputs, and providing feedback on model reasoning and reliability. I refined prompts, compared AI responses, and identified inconsistencies to improve AI performance. • Crafted and evaluated prompt-response pairs for supervised fine-tuning (SFT) applications • Conducted structured analysis to test AI model accuracy and logical consistency • Performed error spotting and delivered actionable feedback for model improvement • Compared multiple model outputs and generated reports on selection rationale.

As a Business Analyst at Turing, I worked on AI training, annotation, and data validation projects with a focus on enhancing model accuracy. Responsibilities included building AI prompts, developing evaluation outputs, and providing feedback on model reasoning and reliability. I refined prompts, compared AI responses, and identified inconsistencies to improve AI performance. • Crafted and evaluated prompt-response pairs for supervised fine-tuning (SFT) applications • Conducted structured analysis to test AI model accuracy and logical consistency • Performed error spotting and delivered actionable feedback for model improvement • Compared multiple model outputs and generated reports on selection rationale.

2026 - 2026

Financial Analyst (AI Training, Annotation, & Data Validation)

DocumentData Collection
As a Financial Analyst, I was assigned to AI training, annotation, and data validation projects targeting financial data understanding. Duties encompassed data collection, cleaning, and creating structured financial inputs for model evaluation. I contributed to improving model reliability by offering scenario-based financial modeling and detailed analysis outputs. • Structured complex financial scenarios for prompt evaluation and annotation • Validated revenue, cost, and profitability patterns in AI-generated outputs • Supported fine-tuning via annotated financial data and scenario tests • Wrote clear, actionable insights to assist model improvement cycles.

As a Financial Analyst, I was assigned to AI training, annotation, and data validation projects targeting financial data understanding. Duties encompassed data collection, cleaning, and creating structured financial inputs for model evaluation. I contributed to improving model reliability by offering scenario-based financial modeling and detailed analysis outputs. • Structured complex financial scenarios for prompt evaluation and annotation • Validated revenue, cost, and profitability patterns in AI-generated outputs • Supported fine-tuning via annotated financial data and scenario tests • Wrote clear, actionable insights to assist model improvement cycles.

2025 - 2026

Data Analyst (AI Training, Annotation, & Data Validation)

TextData Collection
As a Data Analyst, I participated in AI training and annotation projects focusing on retail sales datasets. Tasks included assessing, labeling, and analyzing sales and operational data to assist model learning and metric generation. I delivered interactive annotations and inputs for KPIs, helping to enhance dashboard modeling effectiveness. • Labeled retail data for AI-driven sales and profitability analyses • Created annotated dashboards for sales trend modeling • Applied standardized functions for improved data modeling • Provided actionable prompts and summaries for AI consumption.

As a Data Analyst, I participated in AI training and annotation projects focusing on retail sales datasets. Tasks included assessing, labeling, and analyzing sales and operational data to assist model learning and metric generation. I delivered interactive annotations and inputs for KPIs, helping to enhance dashboard modeling effectiveness. • Labeled retail data for AI-driven sales and profitability analyses • Created annotated dashboards for sales trend modeling • Applied standardized functions for improved data modeling • Provided actionable prompts and summaries for AI consumption.

2025 - 2025

Business Intelligence & Data Analyst (AI Training, Annotation, & Data Validation)

DocumentData Collection
As a Business Intelligence & Data Analyst, I supported AI training and annotation projects in diverse domains, including medical research and business analytics. My work involved structuring, labeling, and summarizing datasets to help models learn to recognize key patterns and outputs. I facilitated client insights by annotating outputs and ensuring data quality for modeling. • Created and summarized labeled clinical and business datasets for model ingestion • Supported entity recognition and evaluation of business intelligence outputs • Guided AI assessments for revenue forecasting and cost tracking • Ensured annotation quality and documentation across subject areas.

As a Business Intelligence & Data Analyst, I supported AI training and annotation projects in diverse domains, including medical research and business analytics. My work involved structuring, labeling, and summarizing datasets to help models learn to recognize key patterns and outputs. I facilitated client insights by annotating outputs and ensuring data quality for modeling. • Created and summarized labeled clinical and business datasets for model ingestion • Supported entity recognition and evaluation of business intelligence outputs • Guided AI assessments for revenue forecasting and cost tracking • Ensured annotation quality and documentation across subject areas.

2025 - 2025

Education

L

Lagos State University

MBA, International Business Management

MBA
2025 - 2026
K

Kwara State University

Bachelor of Science, Accounting

Bachelor of Science
2022 - 2022

Work History

E

Edgeline Tech Academy

Data Analyst Intern

Remote
2025 - 2025
A

AfterExpert

Data Analyst

Remote
2025 - 2025