Babatunde A.

Key Skills

Software

Mercor

Appen

Top Subject Matter

LLM evaluation

RLHF/SFT training data quality

prompt engineering evaluation

Top Data Types

Text

Image

Audio

Top Task Types

RLHF

Transcription

Prompt + Response Writing (SFT)

Freelancer Overview

AI Evaluation Specialist / Prompt Engineer (RLHF & SFT Specialist). Brings 15+ years of professional experience across complex professional workflows, research, and quality-focused execution. Core strengths include Mercor. Education includes Master of Science, London South Bank University (2023) and Bachelor of Science (Honours), London South Bank University (2012). AI-training focus includes data types such as Text and labeling workflows including RLHF.

Labeling Experience

AI Evaluation Specialist / Prompt Engineer (RLHF & SFT Specialist)

MercorTextRLHF

Performed RLHF and SFT evaluation work by ranking LLM outputs for technical accuracy, helpfulness, and safety. Authored high-quality ground-truth style responses to model training with consistent instruction-following and logical reasoning. Detected hallucinations and provided written justifications for model corrections to improve reliability across STEM, coding, and design domains. • Rated/ranked candidate model responses against safety and correctness criteria • Wrote and validated “golden response” ground truths for instruction-following • Identified subtle factual and logical inconsistencies and documented correction rationales • Designed multi-turn prompt scenarios to test edge cases and conflicting constraints

2023 - Present

Education

Work History