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Esrael Muaka

Esrael Muaka

Freelance Translator & Transcriptionist - AI & Machine Learning

Angola flagLuanda, Angola
$6.00/hrIntermediateAppen

Key Skills

Software

AppenAppen

Top Subject Matter

No subject matter listed

Top Data Types

AudioAudio

Top Task Types

Classification
Emotion Recognition
Translation Localization
Transcription

Freelancer Overview

I am a multilingual data linguist with hands-on experience in transcription, translation, and linguistic annotation for AI and machine learning projects. My expertise spans Portuguese, French, and English, allowing me to deliver high-quality data for conversational AI, generative AI, and data labeling tasks. I have worked extensively on transcribing and translating audio, video, and text data, ensuring accuracy and adherence to strict quality standards. I am skilled in linguistic analysis, annotation, and dataset preparation, and I consistently maintain confidentiality and meet deadlines. My attention to detail, reliability, and commitment to ethical AI development make me a valuable contributor to projects that require precise and culturally aware language data.

IntermediateFrenchEnglishPortuguese

Labeling Experience

Appen

Multilingual Audio Transcription & Text Translation for AI Training

AppenAudioClassificationEmotion Recognition
Worked on multilingual data annotation projects involving audio transcription and text translation in Portuguese, French, and English. Tasks included transcribing conversational and scripted audio, translating datasets for AI training, correcting linguistic errors, and ensuring consistency with language standards. Project sizes ranged from small pilot datasets to large-scale corpora exceeding 100,000 words. Followed strict quality assurance guidelines, including proofreading, validation checks, and adherence to client style guides.

Worked on multilingual data annotation projects involving audio transcription and text translation in Portuguese, French, and English. Tasks included transcribing conversational and scripted audio, translating datasets for AI training, correcting linguistic errors, and ensuring consistency with language standards. Project sizes ranged from small pilot datasets to large-scale corpora exceeding 100,000 words. Followed strict quality assurance guidelines, including proofreading, validation checks, and adherence to client style guides.

2023

Education

F

Francophone College Patrice Emery Lumumba

High School Diploma, Literature

High School Diploma
2015 - 2018

Work History

F

Freelance

Freelance Translator & Transcriptionist

Luanda
2023 - Present
F

Freelance

Customer Support Assistant

Luanda
2022 - 2023