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Alex Ndolo

Alex Ndolo

AI Data Annotation & Dataset Review Specialist

KENYA flag
Nairobi, Kenya
$12.00/hrExpertTelusOneformaClickworker

Key Skills

Software

TelusTelus
OneFormaOneForma
ClickworkerClickworker

Top Subject Matter

AI Natural Language Processing (NLP)
Digital Media & Content Creation
E-commerce – Product Categorization & Customer Support

Top Data Types

TextText
ImageImage
AudioAudio

Top Task Types

Classification
Question Answering
Transcription
Data Collection

Freelancer Overview

AI Data Annotation & Dataset Review Specialist. Brings 8+ years of professional experience across complex professional workflows, research, and quality-focused execution. Core strengths include Other. AI-training focus includes data types such as Text and labeling workflows including Evaluation and Rating.

ExpertSwahiliEnglish

Labeling Experience

AI Data Annotation & Dataset Review Specialist

OtherTextClassification
AI Data Annotation & Dataset Review Specialist Text Annotation for AI NLP Training: Labeled 15,000+ sentences in English, Swahili, and Kamba for AI language models. Reviewed datasets for accuracy, grammar, and cultural relevance. Tools used: Smartcat, Phrase/Memsource. Audio Transcription & Speech Validation: Transcribed 500+ audio files, validating speech-to-text outputs for AI training. Ensured timestamps and text accuracy met project guidelines. Translation QA & Dataset Review: Performed linguistic quality checks on machine-translated content. Verified consistency and guideline adherence for AI datasets. Digital Content Annotation: Created and labeled visual content for AI/digital platforms, including social media graphics, banners, and templates.

AI Data Annotation & Dataset Review Specialist Text Annotation for AI NLP Training: Labeled 15,000+ sentences in English, Swahili, and Kamba for AI language models. Reviewed datasets for accuracy, grammar, and cultural relevance. Tools used: Smartcat, Phrase/Memsource. Audio Transcription & Speech Validation: Transcribed 500+ audio files, validating speech-to-text outputs for AI training. Ensured timestamps and text accuracy met project guidelines. Translation QA & Dataset Review: Performed linguistic quality checks on machine-translated content. Verified consistency and guideline adherence for AI datasets. Digital Content Annotation: Created and labeled visual content for AI/digital platforms, including social media graphics, banners, and templates.

2019 - 2024

Education

U

University of Nairobi

Bachelor’s Degree, Language Studies / Translation / Digital Media

Bachelor’s Degree
2015 - 2019

Work History

F

Freelance

Copywriter | Content Creator

Nairobi
2020 - Present
F

Freelance

Language & Digital Specialist | Translator & Content Creator

Nairobi
2019 - Present