Obinna A.

Key Skills

Software

Label Studio

CVAT

Labelbox

Argilla

Other

Don't disclose

Top Subject Matter

LLM development

AI content quality

security and logic evaluation

Top Data Types

Text

Document

Computer Code Programming

Top Task Types

RLHF

Classification

Red Teaming

Freelancer Overview

Senior AI Content Evaluator (Freelance/Contract). Brings 5+ years of professional experience across legal operations, contract review, compliance, and structured analysis. Core strengths include Don't disclose. Education includes Bachelor of Science, University of Lagos (2024). AI-training focus includes data types such as Text and labeling workflows including RLHF and Classification.

Labeling Experience

Senior AI Content Evaluator (Freelance/Contract)

Don't discloseTextRLHF

Performed RLHF evaluation and generation tasks including response ranking and rewriting for LLM development platforms. Audited AI-generated code and technical explanations to catch logic errors and security vulnerabilities while ensuring compliance with multi-layer annotation standards. Supplied “Golden Response” examples to guide consistent model training data quality across the taxonomy. • Conducted high-level preference/ranking judgments for model outputs. • Performed rewriting based on guideline adherence and quality thresholds. • Performed QA-style error and risk checks on generated technical content. • Produced reference outputs (“Golden Responses”) for training calibration.

2024 - Present

Quality Assurance & Data Analyst

Don't discloseTextClassification

Led end-to-end data annotation and categorization workflows for large volumes of text intended for machine learning ingestion. Applied strict taxonomy guidelines and validation procedures to achieve an audited accuracy score around 99% for labeled outputs. Built and documented SOPs for repeatable data validation and quality assurance in production. • Categorized 10,000+ text strings for ML model ingestion. • Managed large-scale text categorization projects with accuracy-focused checks. • Drafted SOPs for data validation workflows. • Ensured consistent labeling quality through auditing and adherence to guidelines.

2022 - 2024

Education

Work History