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Ewalefoh Prosper

Ewalefoh Prosper

Data Annotator

South Africa flagCape Town , South Africa
$14.00/hrExpertAppenOneforma

Key Skills

Software

AppenAppen
OneFormaOneForma

Top Subject Matter

No subject matter listed

Top Data Types

ImageImage
TextText
VideoVideo

Top Task Types

Bounding Box
Evaluation Rating
Mapping

Freelancer Overview

Data Annotator with 3+ years of experience in video, text, and image labeling, including medical image annotation and AI model training. Skilled in proofreading, tone adjustment, and multilingual annotation (English, French, Spanish, German). Proficient in Python, SQL, and Microsoft Office Suite. Strong attention to detail, adaptability to evolving guidelines, and proven ability to deliver accurate, high-quality data for AI and machine learning projects.

ExpertFrenchEnglish

Labeling Experience

OneForma

ext Annotator – LLM Training (Proofreading & Tone Adjustment)

OneformaTextEvaluation Rating
Evaluated and annotated LLM outputs across multiple projects, including proofreading, tone adjustment, table transformation, and emoji evaluation. Rated responses for correctness, fluency, and style, selecting superior outputs according to guidelines. Contributed to reinforcement learning and fine-tuning of LLMs.

Evaluated and annotated LLM outputs across multiple projects, including proofreading, tone adjustment, table transformation, and emoji evaluation. Rated responses for correctness, fluency, and style, selecting superior outputs according to guidelines. Contributed to reinforcement learning and fine-tuning of LLMs.

2024 - 2024
Appen

Audio Transcription & Speech Intent Labeling

AppenAudioSegmentationClassification
Transcribed multilingual audio clips (English, French, Spanish, German) and annotated speaker turns, intent, and tone. Labeled data for speech-to-text training and conversational AI systems. Applied sentiment and emotion classification to enhance context recognition.

Transcribed multilingual audio clips (English, French, Spanish, German) and annotated speaker turns, intent, and tone. Labeled data for speech-to-text training and conversational AI systems. Applied sentiment and emotion classification to enhance context recognition.

2022 - 2023

Education

No Education added yet

Ewalefoh P. hasn’t added any Education History to their OpenTrain profile yet.

Work History

G

Global Appliances USA

Data Analyst

Remote
2022 - 2022