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Okal Achieng

Okal Achieng

Audio & Video Reviewer - AI/ML

KENYA flag
KISUMU, Kenya
$15.00/hrExpertOther

Key Skills

Software

Other

Top Subject Matter

No subject matter listed

Top Data Types

TextText
VideoVideo
ImageImage

Top Label Types

Text Generation
Action Recognition
Object Detection

Freelancer Overview

I am an experienced Data Annotator and AI Training Data Specialist with a strong background in reviewing and labeling multimodal datasets, including audio, video, and text. My expertise spans transcription, dialogue and speaker identification, event tagging, and semantic evaluation in both Kiswahili and English. I have contributed to large-scale AI and machine learning projects by ensuring high-quality, accurate, and consistent annotations for LLM, NLP, and computer vision tasks. My attention to detail and commitment to following strict guidelines have enabled me to support the development and refinement of advanced AI models through precise data labeling and thorough quality assurance.

ExpertEnglishSwahili

Labeling Experience

Imerit Scholars

OtherImageObject Detection
Annotated images based on quality, consistency, instruction following and AIness/naturalness.

Annotated images based on quality, consistency, instruction following and AIness/naturalness.

2025

Atlas and Anosupo AI

OtherVideoAction Recognition
Ensured high-quality labeling outputs by following detailed annotation specifications and performing thorough error checks.

Ensured high-quality labeling outputs by following detailed annotation specifications and performing thorough error checks.

2025

Turing

OtherTextText Generation
Evaluated LLM-generated responses for relevance, grammar, and adherence to linguistic standards.

Evaluated LLM-generated responses for relevance, grammar, and adherence to linguistic standards.

2025

Education

M

Maseno University

Bachelor of Science, Basic Sciences with Information Technology

Bachelor of Science
2012 - 2016

Work History

T

Toloka

Data annotator

Kisumu
2021 - 2024
S

Scale AI

AI Data reviewer

Kisumu
2020 - 2021