Musa O.

Key Skills

Software

Don't disclose

Other

Appen

AWS SageMaker

Data Annotation Tech

Top Subject Matter

Swahili speech transcription

audio segmentation QA

dialectal variation filtering

Top Data Types

Audio

Video

Image

Top Task Types

Transcription

Segmentation

Text Generation

Object Detection

Question Answering

Text Summarization

Evaluation/Rating

Data Collection

Computer Programming/Coding

Freelancer Overview

Language Data Associate — Global AI Solutions (Data labeling for speech/linguistic datasets). Brings 12+ years of professional experience across complex professional workflows, research, and quality-focused execution. Core strengths include Don't disclose and Other. Education includes Master of Arts, University of Nairobi (2016) and Bachelor of Arts, University of Colombia (2013). AI-training focus includes data types such as Audio and labeling workflows including Transcription, Evaluation, and Rating.

Labeling Experience

Language Data Associate — Global AI Solutions (Data labeling for speech/linguistic datasets)

Don't discloseAudioTranscription

Performed verbatim transcription and quality checking on complex Swahili audio files for speech-recognition training. Reviewed and modified machine-generated audio segmentations to ensure linguistic accuracy and adherence to project-specific phonetic and grammatical guidelines. Refined transcripts to support model development with dialectal variation awareness and ambient noise filtering. • Transcribed Swahili audio with 99%+ accuracy while following phonetic and grammatical rules • Audited audio segmentations and corrected them for correct spoken-utterance boundaries • Supported dataset readiness for advanced speech-recognition model training • Met and exceeded high-volume productivity targets without compromising quality scores

2023 - Present

Linguistic Quality Lead — Tech-Lingua Data Services (Speech transcription QA and dataset standardization)

Don't discloseAudio

Audited hundreds of hours of transcribed audio to ensure quality standards for AI speech-recognition development were met. Collaborated with data scientists to detect recurring transcript errors and define corrective protocols for improved labeling quality. Developed internal Swahili syntax and orthography guidelines to standardize training data for neural network models. • Conducted quality audits of large volumes of transcribed audio • Identified systematic transcript errors and drove corrective labeling procedures • Authored internal guidelines for Swahili orthography and syntax • Managed long-term project tasks focused on scalable, productivity-driven milestones

2017 - 2020

Content & Documentation Specialist — Intercontinental Media Group (Transcription/translation for linguistic content)

OtherAudio

Managed transcription and translation workflows for regional broadcast content into written formats. Conducted detailed reviews of audio to produce verbatim transcripts suitable for archival purposes and downstream training use. Used audio processing tools and high-performance computing resources to process large-scale media projects. • Produced clean verbatim transcripts through deep-dive audio review • Translated regional broadcasts while preserving cultural nuances • Ensured transcription outputs were suitable for training data reuse • Processed large-scale media using professional audio software and HPC

2015 - 2017

Education

Work History