Esther M.

Key Skills

Software

Don't disclose

Top Subject Matter

AI output evaluation

NLP dataset development

content moderation

Top Data Types

Text

Image

Video

Audio

Document

Top Task Types

Bounding Box

Polygon

Segmentation

Classification

Entity (NER) Classification

Point/Key Point

Polyline

Cuboid

Object Detection

Text Generation

Question Answering

Text Summarization

Prompt + Response Writing (SFT)

Evaluation/Rating

Data Collection

Transcription

Freelancer Overview

Senior AI Data Trainer & Content Evaluator (Remote). Brings 11+ years of professional experience across complex professional workflows, research, and quality-focused execution. Core strengths include Don't disclose. Education includes Master of Science, Kenyatta University (2022) and Bachelor of Science, Kenyatta University (2016). AI-training focus includes data types such as Text, Image, and Video and labeling workflows including Evaluation and Rating.

Labeling Experience

Senior AI Data Trainer & Content Evaluator (Remote)

Don't discloseText

Evaluated and ranked AI-generated outputs for accuracy, coherence, factual consistency, and safety compliance using structured rubrics. Assessed reasoning quality and identified hallucinations in large language model responses, while applying consistent scoring criteria across tasks. Conducted multimedia labeling and assessment supporting model training and evaluation workflows. • Accuracy and coherence scoring • Hallucination detection using rubrics • Safety and policy compliance checks • Structured feedback for model improvement

2018 - Present

AI Content Moderator & Quality Analyst (Remote)

Don't discloseText

Reviewed multimedia datasets (text and images) to verify compliance, accuracy, and correct classification. Identified inconsistencies, policy violations, and classification errors to improve training data quality. Supported dataset validation activities and maintained documentation for quality control. • Compliance and accuracy verification • Policy violation detection • Classification error identification • Quality control reporting and documentation

2016 - 2018

Education

Work History