Mogbekeloluwa Ayobami S.

Key Skills

Software

Other

Appen

Top Subject Matter

LLM behavior assessment and AI training for cybersecurity and safety

Computer vision and NLP dataset annotation plus LLM response evaluation

Cybersecurity training and structured threat analysis exercises

Top Data Types

Text

Image

Document

Top Task Types

Data Collection

Text Summarization

Question Answering

Text Generation

Freelancer Overview

AI Security Specialist — data labeling, dataset QA, and LLM evaluation for fine-tuning workflows. Brings 6+ years of professional experience across complex professional workflows, research, and quality-focused execution. Core strengths include Python and Other. Education includes Bachelor of Science, National Open University of Nigeria (2022). AI-training focus includes data types such as Text, Image, and Document and labeling workflows including Evaluation, Rating, and Data Collection.

Labeling Experience

AI Security Specialist — data labeling, dataset QA, and LLM evaluation for fine-tuning workflows

Text

Evaluated GPT-style outputs for logical consistency, instruction adherence, correctness, bias, and safety while preparing training-ready prompt and response datasets. Built structured instruction-response pairs and preference rankings for fine-tuning small LLMs. Performed Python-based quality checks and flagged labeling inconsistencies to improve dataset reliability. • Developed and executed test prompts for GPT-style models • Conducted rubric-style evaluations of model outputs for factual accuracy and safety • Flagged edge cases and dataset inconsistencies for QA • Designed workflows for AI-assisted cybersecurity analysis and reporting

2023 - Present

AI Data Annotator / Evaluator — annotation and rubric-based LLM evaluation

OtherImage

Annotated and evaluated data for computer vision and NLP models while maintaining high inter-annotator agreement. Assessed LLM responses for coherence, factual accuracy, and safety using rubric-based scoring. Identified and documented edge cases to reduce ambiguity in labeling guidelines. • Performed weekly annotations for CV and NLP datasets • Scored LLM outputs for factuality and safety • Documented edge cases to update guidelines • Coordinated with remote teams to resolve labeling discrepancies

2022 - 2023

Cybersecurity Analyst — training-focused work supporting analysis exercises

OtherDocumentData Collection

Supported cybersecurity operations by developing and running hands-on training exercises and incident analysis workflows. While not described as data-labeling work, the role involved structured training activities and documentation relevant to threat analysis evaluation. Built learning labs using standard security tooling to support consistent analysis practice. • Conducted incident analysis exercises for brute-force investigations • Developed and maintained hands-on security labs • Supported security policy adherence with operations teams • Provided cybersecurity fundamentals training and structured documentation

2021 - 2022

Education

Work History