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O
Oluwatobi B.

Oluwatobi B.

AI Trainer — Code Review, Red Teaming & LLM Evaluation

Nigeria flagLagos, Nigeria

Key Skills

Software

Other
Label StudioLabel Studio
ArgillaArgilla
Surge AISurge AI
Scale AIScale AI

Top Subject Matter

Software Engineering & Code Annotation
Cybersecurity & AI Red Teaming
LLM Evaluation & RLHF

Top Data Types

TextText
DocumentDocument
Computer Code ProgrammingComputer Code Programming

Top Task Types

Red TeamingRed Teaming
Computer Programming/CodingComputer Programming/Coding
Prompt + Response Writing (SFT)Prompt + Response Writing (SFT)
RLHFRLHF
Fine-tuningFine-tuning
ClassificationClassification
Entity (NER) ClassificationEntity (NER) Classification

Freelancer Overview

Experienced AI Trainer and Data Labeler specializing in code review annotation, LLM output evaluation, red teaming, and adversarial prompt crafting. I have reviewed and annotated AI-generated and human-written code across Python, JavaScript, TypeScript, Solidity, and Bash — evaluating for correctness, security vulnerabilities, logic errors, and instruction-following accuracy. My red teaming work includes adversarial prompt design, jailbreak testing, threat modelling, and offensive security research applied to AI systems. I have evaluated LLM outputs across multiple providers for reasoning quality, factual accuracy, hallucination, and task completion — and created prompt-response pairs for agent fine-tuning. Additional experience in writing quality assessment, structured text annotation, and document labeling. Native English speaker with strong technical communication skills.

Labeling Experience

Prompt-Response Pair Creator (SFT)

TextTextPrompt + Response Writing (SFT)Prompt + Response Writing (SFT)

Designed and wrote high-quality prompt-response pairs for supervised fine-tuning of language models. Covered technical domains including software engineering, cybersecurity, and Web3. Ensured outputs met instruction-following standards, factual accuracy requirements, and stylistic consistency guidelines.

2025 - Present

LLM Output Evaluation & Agent Testing (PineOT Dev Agency / Personal Projects)

OtherTextTextRLHFRLHF

Evaluated LLM-integrated agent responses for factual accuracy, reasoning quality, and task completion across multiple model providers. Curated prompt-response pairs by flagging off-task outputs, repetition loops, and instruction drift relevant to agent training and tuning workflows. Emphasized systematic assessment of LLM failure modes such as hallucinations and quality degradation. • Rated and assessed agent output correctness and reasoning quality • Created and curated prompt-response pairs for tuning • Identified off-task behavior, loops, and instruction drift • Worked with OpenAI, Claude, and Groq LLaMA 3 providers

2025 - Present

Writing Quality & Instruction Evaluation (Freelance / Academic Projects)

OtherDocumentDocumentEvaluation/RatingEvaluation/Rating

Evaluated technical and general writing by labeling for clarity, coherence, instruction-following, and factual accuracy across multiple deliverables. Audited AI-generated writing for hallucinations, off-topic drift, tone mismatches, and formatting failures that would affect training or preference judgments. Applied a strong English proficiency baseline to support consistent writing quality ranking. • Labeled writing clarity, coherence, and instruction adherence • Checked for hallucinations, drift, and tone mismatches • Assessed formatting failures and output presentation • Evaluated both technical and general writing quality

2024 - Present

Red Teaming & Adversarial Evaluation (Self-Directed Security Research)

TextTextRed TeamingRed Teaming

Crafted adversarial prompts to probe AI system weaknesses, jailbreak resistance, and bias. Applied offensive security background to AI safety evaluation — including threat modelling, attack pattern analysis, and structured documentation of discovered vulnerabilities and failure modes.

2024 - Present

Code Review & Security Annotation (Independent/Project-Based)

Computer Code ProgrammingComputer Code ProgrammingComputer Programming/CodingComputer Programming/Coding

Reviewed AI-generated and human-written code to identify correctness issues, security vulnerabilities, and logic/style problems across multiple programming and scripting languages. Produced structured remediation notes that can be reused as consistent labeling guidance. Focused on instruction-following accuracy, edge-case handling, and security anti-pattern detection (e.g., injection and replay-related vectors). • Annotated code quality at function and module level • Evaluated edge cases, security weaknesses, and logic errors • Documented findings with structured remediation notes • Covered Python, JavaScript/TypeScript, Solidity, and Bash

2024 - Present

Education

B

Babcock University

Bachelor of Science, Computer Science

Bachelor of Science
2022 - 2025

Work History

T

The Palace Sec

IT Technical Support (National Service)

Ogun State
2025 - 2026
M

MTN Nigeria

Security & Systems Analyst Intern

Lagos
2024 - 2024