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David Masaku

David Masaku

Data Annotation Specialist/ Linguist (Argos Multilingual)

Kenya flagNairobi, Kenya
$20.00/hrExpertOtherScale AI

Key Skills

Software

Other
Scale AIScale AI

Top Subject Matter

AI Training
Linguistics Domain Expertise
Audio Transcription

Top Data Types

TextText
VideoVideo
AudioAudio

Top Task Types

Text GenerationText Generation
Bounding BoxBounding Box
PolygonPolygon
ClassificationClassification
TranscriptionTranscription

Freelancer Overview

Data Annotation Specialist/ Linguist (Argos Multilingual). Core strengths include Other. Education includes Certificate in Python Programming, CodeSignal (2026) and Certificate in Generative AI, CodeSignal (2026). AI-training focus includes data types such as Text and Audio and labeling workflows including Classification and Transcription.

ExpertSwahiliEnglish

Labeling Experience

Transcriptionist/ Annotator/ Proofreader (Independent Contractor)

OtherAudioTranscription
Transcribed and annotated hundreds of hours of English and Swahili audio and video files for AI and linguistic projects. Proofread transcripts to meet formatting, readability, and professional standards. Tagged images and characters for additional annotation tasks when required. • Maintained high accuracy and attention to detail • Ensured timely delivery and high quality • Participated in image annotation projects • Used professional transcription and annotation tools

Transcribed and annotated hundreds of hours of English and Swahili audio and video files for AI and linguistic projects. Proofread transcripts to meet formatting, readability, and professional standards. Tagged images and characters for additional annotation tasks when required. • Maintained high accuracy and attention to detail • Ensured timely delivery and high quality • Participated in image annotation projects • Used professional transcription and annotation tools

2019 - Present
Scale AI

Image Annotation

Scale AIVideoBounding BoxPolygon
General bounding of objects

General bounding of objects

2023 - 2023

Data Annotation Specialist

OtherTextText GenerationClassification
Annotated a large volume of data concerning a full baseball season in the US.

Annotated a large volume of data concerning a full baseball season in the US.

2025

Education

C

CodeSignal

Certificate in Python Programming, Python Programming

Certificate in Python Programming
2026 - 2025
K

King David Leadership Training Institute

Certificate in Leadership, Leadership

Certificate in Leadership
2025 - 2025

Work History

C

Clickspeed Limited

Lead Trainer

Nairobi
2019 - 2021
C

City Sol Ventures

Technical Sales Representative

Nairobi
2016 - 2018