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Esther Matara

Esther Matara

AI Trainer & Data Labeler

Kenya flagNairobi, Kenya
$10.00/hrExpertScale AIRemotasks

Key Skills

Software

Scale AIScale AI
RemotasksRemotasks

Top Subject Matter

AI-generated text
LLM evaluation
Rlhf Domain Expertise

Top Data Types

TextText
DocumentDocument

Top Task Types

Bounding BoxBounding Box

Freelancer Overview

AI Trainer & Data Labeler. Brings 7+ years of professional experience across legal operations, contract review, compliance, and structured analysis. Core strengths include Scale AI and Remotasks. Education includes Bachelor's Degree, Kenyatta University. AI-training focus includes data types such as Text and labeling workflows including Evaluation and Rating.

ExpertEnglish

Labeling Experience

Scale AI

AI Trainer & Data Labeler

Scale AIText
Executed structured text annotation, AI-generated output evaluation, and response rating workflows as part of multiple remote contracts for data labeling and LLM training. Maintained high accuracy and quality control across large volumes of tasks by adhering to detailed, evolving annotation guidelines and operational procedures. Delivered multilingual (English, Swahili, Oromo) preference data, content quality checks, and consistent reporting to support RLHF and LLM evaluation pipelines. • Rated, ranked, and evaluated AI outputs for relevance, accuracy, and instruction-following. • Identified and documented labeling errors and deviations for quality assurance. • Executed labeling tasks using platforms such as Scale AI and Remotasks. • Managed multiple concurrent contracts while sustaining tight turnaround and quality benchmarks.

Executed structured text annotation, AI-generated output evaluation, and response rating workflows as part of multiple remote contracts for data labeling and LLM training. Maintained high accuracy and quality control across large volumes of tasks by adhering to detailed, evolving annotation guidelines and operational procedures. Delivered multilingual (English, Swahili, Oromo) preference data, content quality checks, and consistent reporting to support RLHF and LLM evaluation pipelines. • Rated, ranked, and evaluated AI outputs for relevance, accuracy, and instruction-following. • Identified and documented labeling errors and deviations for quality assurance. • Executed labeling tasks using platforms such as Scale AI and Remotasks. • Managed multiple concurrent contracts while sustaining tight turnaround and quality benchmarks.

2023 - 2024

Education

K

Kenyatta University

Bachelor's Degree

Bachelor's Degree
Not specified

Work History

I

Independent Remote Contractor

Administrative & Scheduling Coordinator

Nairobi
2020 - Present