Brayan Ouma

Key Skills

Software

Scale AI

Toloka

Top Subject Matter

No subject matter listed

Top Data Types

Audio

Text

Top Label Types

Evaluation Rating

Bounding Box

Transcription

Freelancer Overview

I am a detail-oriented professional with hands-on experience in data annotation, labeling, and AI training data evaluation, specializing in natural language processing (NLP) projects. My background includes annotating and reviewing AI-generated question-and-answer datasets, ensuring clarity, neutrality, and factual accuracy, while consistently maintaining accuracy rates above 98%. I am skilled in using structured annotation platforms, Google Sheets, Microsoft Excel, and basic SQL for data verification, and have worked extensively with remote teams using digital collaboration tools like Slack, Zoom, and Trello. My strengths include strong written communication, analytical thinking, and the ability to follow complex guidelines, making me well-suited for large-scale, remote, and project-based data labeling assignments.

Labeling Experience

Content Quality Analyst

Scale AIAudioEvaluation Rating

As a Content Quality Analyst, I assessed and annotated AI-generated question-and-answer datasets for clarity, neutrality, and factual accuracy. My work involved classifying conversational outputs, providing detailed feedback, and ensuring adherence to structured guidelines. I consistently met performance benchmarks while participating in calibration sessions for annotation consistency. • Annotated and evaluated question-and-answer text datasets for AI training. • Reviewed and classified conversational responses using project-specific standards. • Identified ambiguous or biased outputs, providing actionable improvement notes. • Collaborated remotely across teams and participated in guideline calibration.

As a Content Quality Analyst, I assessed and annotated AI-generated question-and-answer datasets for clarity, neutrality, and factual accuracy. My work involved classifying conversational outputs, providing detailed feedback, and ensuring adherence to structured guidelines. I consistently met performance benchmarks while participating in calibration sessions for annotation consistency. • Annotated and evaluated question-and-answer text datasets for AI training. • Reviewed and classified conversational responses using project-specific standards. • Identified ambiguous or biased outputs, providing actionable improvement notes. • Collaborated remotely across teams and participated in guideline calibration.

2023

Freelance Data Reviewer & Transcriptionist

TolokaTextBounding BoxEvaluation Rating

As a Freelance Data Reviewer and Transcriptionist, I labeled conversational datasets for NLP applications and reviewed text transcripts for language quality. My responsibilities included verifying facts and ensuring reliable information in datasets. I delivered work on a project basis with consistent quality and turnaround times. • Annotated conversational text data for natural language processing. • Conducted quality control by reviewing grammar, tone, and contextual flow. • Performed fact verification to ensure reliability of labeled data. • Managed multiple projects independently with minimal supervision.

As a Freelance Data Reviewer and Transcriptionist, I labeled conversational datasets for NLP applications and reviewed text transcripts for language quality. My responsibilities included verifying facts and ensuring reliable information in datasets. I delivered work on a project basis with consistent quality and turnaround times. • Annotated conversational text data for natural language processing. • Conducted quality control by reviewing grammar, tone, and contextual flow. • Performed fact verification to ensure reliability of labeled data. • Managed multiple projects independently with minimal supervision.

2020 - 2021

Education

Work History