Braviour A.

Key Skills

Software

Labelbox

Telus

Other

Top Subject Matter

Machine learning data annotation and quality assurance (images, search queries, text).

Swahili audio transcription and annotation.

ASR Swahili video labeling

Top Data Types

Image

Audio

Video

Text

Document

Top Task Types

Classification

Transcription

Segmentation

Freelancer Overview

Data Annotation Specialist – Outlier. Brings 6+ years of professional experience across legal operations, contract review, compliance, and structured analysis. Core strengths include Labelbox, Loft 2.0, and Telus. Education includes Bachelor of Arts, Moi University. AI-training focus includes data types such as Image, Audio, and Video and labeling workflows including Classification, Transcription, and Segmentation.

Labeling Experience

Data Annotation Specialist – RWS

OtherAudio

Executed high-volume labeling projects to generate and assess multimodal labels across image, text, and audio. Conducted multi-stage audits to identify and correct labeling bias and inconsistencies while iteratively improving model outputs.• Applied complex classification schemas across image, text, and audio datasets.• Ranked and refined model outputs to improve factualness, safety, and helpfulness.• Investigated model failures and edge cases to guide iterative training cycles.• Evaluated model performance using standard metrics and updated moderation guidance for misinformation and hate speech.

2026 - 2026

English Transcriber and Annotator – Productive Playhouse

AudioTranscription

Transcribed and annotated English audio, producing structured outputs containing event, tag, and speaker labels. Followed labeling guidelines to deliver high-accuracy transcripts suitable for AI training and evaluation.• Used Loft 2.0 for English audio transcription and annotation workflows.• Delivered structured transcripts with event, tag, and speaker labels.• Maintained 96%+ accuracy while applying quality checks.• Ensured labeling consistency with project instructions for audio data.

2025 - 2025

Swahili Transcriber and Annotator – Productive Playhouse

AudioTranscription

Transcribed and annotated Swahili audio to produce structured outputs for downstream AI training or evaluation. Applied event, tag, and speaker labeling while maintaining consistent accuracy against project criteria.• Used Loft 2.0 for Swahili audio transcription and annotation workflows.• Delivered structured transcripts with event, tag, and speaker labels.• Performed quality-focused transcription to meet accuracy targets.• Ensured adherence to annotation guidelines for language-specific consistency.

2025 - 2025

Data Annotation Specialist – Outlier

LabelboxImageClassification

Annotated and labeled large-scale datasets according to detailed project guidelines and taxonomy structures. Performed quality assurance activities to validate and improve label consistency across the dataset.• Applied annotation/tagging rubrics for structured documentation and ML training readiness.• Labeled images, search queries, and text documents while maintaining target accuracy.• Reviewed team members’ work to detect inconsistencies and provide corrective feedback.• Collaborated with project managers to clarify ambiguous guidelines and document edge cases.

2025 - 2025

Audio Annotator – Prosessor.AI Data & Language Services

OtherAudioSegmentation

Annotated multilingual audio datasets across 15+ languages using segmentation, tagging, rubric application, and quality-check procedures. Maintained high labeling accuracy across complex multilingual tasks to support model training and evaluation.• Conducted audio segmentation and event tagging per dataset requirements.• Applied detailed rubrics and performed quality checks to ensure label integrity.• Labeled and validated multilingual audio data across 15+ languages.• Sustained 95%–100% accuracy on complex multi-language workflows.

2023 - 2025

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Education

Work History