Njoroge O.

Key Skills

Software

Don't disclose

Labelbox

Top Subject Matter

AI and language model evaluation across diverse domains

including Python and SQL programming

Technical and localized English training data

Top Data Types

Text

Document

Top Task Types

RLHF

Classification

Red Teaming

Entity (NER) Classification

AI Trainer Overview

AI Trainer & LLM Evaluator. Brings 4+ years of professional experience across complex professional workflows, research, and quality-focused execution. Core strengths include Don't disclose and Labelbox. Education includes Bachelor of Business Information Technology (BBIT). AI-training focus includes data types such as Text and labeling workflows including RLHF, Classification, and Fine Tuning.

Labeling Experience

AI Trainer & LLM Evaluator (Freelance) - Remote AI Training Platforms

LabelboxTextRLHFEntity (NER) Classification

Evaluate and rank AI-generated responses across diverse domains using precise side-by-side RLHF criteria, focusing on truthfulness, safety, conciseness, and formatting. Analyze complex logical prompts and programming snippets in Python and SQL to verify code validity and execution efficiency. Author golden-standard responses and instruction-following prompts for SFT fine-tuning and benchmark evaluations. Identify model errors, logic hallucinations, and formatting flaws, documenting feedback to improve training datasets.

2025 - Present

AI Trainer & LLM Evaluator

Don't discloseTextRLHF

Pairwise ranking and evaluation of AI-generated responses for truthfulness, safety, conciseness, formatting, reasoning quality, and instruction following.

2025 - Present

Data Labeling & Quality Assurance Specialist - Independent Technical Contractor

LabelboxTextClassification

Annotated and verified multimodal datasets including text corpora, structured code, and visual assets while maintaining a continuous greater-than-98% precision rate. Proofread and edited localized English training datasets for grammar, tone, clarity, and client-specific style-guide adherence. Developed structured workflows for ambiguous edge cases in large classification taxonomies, reducing labeling error rates across teams.

2023 - 2024

Data Labeling & Quality Assurance Specialist

Don't discloseTextClassificationRLHF

Text classification, entity extraction, visual/textual asset labeling, dataset verification, proofreading, grammar and style auditing, and quality-control auditing.

2023 - 2024

Education

Work History