Oluwasegun O.

Key Skills

Software

Other

Top Subject Matter

AI model training and RLHF evaluation

Clinical research data management

Top Data Types

Text

Top Task Types

Fine-tuning

Data Collection

Freelancer Overview

Data Annotator / AI Trainer (RLHF) at Luel AI. Core strengths include Other. Education includes Bachelor of Science, Obafemi Awolowo University (2023). AI-training focus includes data types such as Text, Medical, and DICOM and labeling workflows including Fine-tuning and Data Collection.

Labeling Experience

Data Annotator / AI Trainer (RLHF) at Luel AI

OtherTextFine-tuning

Provided large-scale dataset annotation for text, conversational exchanges, and structured data to support AI training and fine-tuning. Conducted RLHF response evaluation by rating AI outputs for accuracy, relevance, coherence, and safety. Maintained high annotation quality by consistently achieving accuracy above 95% across multiple concurrent tasks. • Labeled and organized text and dialogue data for model training pipelines. • Evaluated response quality as part of RLHF workflows. • Refined prompts to improve task alignment and response quality. • Updated annotation guidelines with cross-functional collaborators to improve consistency.

2026 - Present

Data Collator at Benue State University Teaching Hospital (Makurdi)

OtherData Collection

Collected, organized, and maintained patient health records and clinical research data in support of downstream research activities. Applied structured validation protocols to detect and correct inconsistencies and reduce data entry errors. Compiled and formatted datasets for ongoing clinical research projects requiring reliable, analysis-ready information. • Coordinated with clinical and administrative staff to streamline documentation workflows. • Generated summary reports on data collection trends and record status. • Ensured completeness and accuracy across hospital databases.

2024 - 2025

Education

Work History