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Ahmed Kallel

Ahmed Kallel

Subtitle/Audio Transcription & Data Labeling for AI/ML Integration

Belgium flagBelgium
$20.00/hrExpert

Key Skills

Software

No software listed

Top Subject Matter

Media streaming
Multilingual content
Audio transcription

Top Data Types

AudioAudio
TextText
VideoVideo
DocumentDocument

Top Task Types

TranscriptionTranscription
Computer Programming/CodingComputer Programming/Coding
Evaluation/RatingEvaluation/Rating
ClassificationClassification
Object DetectionObject Detection
Fine-tuningFine-tuning
Data CollectionData Collection

Freelancer Overview

Subtitle/Audio Transcription & Data Labeling for AI/ML Integration. Brings 11+ years of professional experience across legal operations, contract review, compliance, and structured analysis. Core strengths include Internal and Proprietary Tooling. Education includes Bachelor of Science, The Open University (2018) and Bachelor of Science, Arab Open University (2018). AI-training focus includes data types such as Audio and Text and labeling workflows including Transcription, Translation, and Localization.

ExpertEnglishFrenchArabic

Labeling Experience

Multilingual Data Labeling & AI Training Data QA

Text
Led localization projects involving the translation and QA of platform content, UI labels, error messages, and metadata for 10+ languages. Validated and labeled output through manual review before deployment, supporting AI/ML language models. Integrated an LLM-based AI assistant by tuning prompts and observing how labeled data impacted response quality. • Conducted detailed manual QA reviews on language bundles. • Managed precise labeling of all text elements and metadata. • Ensured multilingual and cultural accuracy for localized content. • Coordinated with international teams on prompt design and data integration.

Led localization projects involving the translation and QA of platform content, UI labels, error messages, and metadata for 10+ languages. Validated and labeled output through manual review before deployment, supporting AI/ML language models. Integrated an LLM-based AI assistant by tuning prompts and observing how labeled data impacted response quality. • Conducted detailed manual QA reviews on language bundles. • Managed precise labeling of all text elements and metadata. • Ensured multilingual and cultural accuracy for localized content. • Coordinated with international teams on prompt design and data integration.

2025 - 2026

Subtitle/Audio Transcription & Data Labeling for AI/ML Integration

AudioTranscription
Built and managed the VTT subtitle and transcription pipeline for a media streaming platform, synchronizing audio speech to text. Conducted detailed quality checks of subtitles and edited files for accuracy, ensuring each file matched spoken dialogue and platform standards. Utilized multilingual content expertise to oversee audio-to-text alignment across films, series, and standalone video formats. • Created tools for uploading, editing, and verifying subtitle files. • Led manual QA reviews of audio transcription accuracy in over 10 languages. • Ensured precise labeling and categorization of audio and user actions for analytics. • Collaborated with developers and platform owners via async remote workflows.

Built and managed the VTT subtitle and transcription pipeline for a media streaming platform, synchronizing audio speech to text. Conducted detailed quality checks of subtitles and edited files for accuracy, ensuring each file matched spoken dialogue and platform standards. Utilized multilingual content expertise to oversee audio-to-text alignment across films, series, and standalone video formats. • Created tools for uploading, editing, and verifying subtitle files. • Led manual QA reviews of audio transcription accuracy in over 10 languages. • Ensured precise labeling and categorization of audio and user actions for analytics. • Collaborated with developers and platform owners via async remote workflows.

2025 - 2026

Education

T

The Open University

Bachelor of Science, Information Technology and Computing

Bachelor of Science
2016 - 2018
A

Arab Open University

Bachelor of Science, Information Technology and Computing

Bachelor of Science
2015 - 2018

Work History

F

Freelance

Full-Stack Developer

Remote
2025 - 2026
B

Bitjoin Studios

CTO & Full-Stack Developer

Remote
2025 - 2026