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Devis Okulu

Devis Okulu

AI and data systems engineer

KENYA flag
Carolina, Kenya
$15.00/hrExpertOtherLabel StudioCVAT

Key Skills

Software

Other
Label StudioLabel Studio
CVATCVAT

Top Subject Matter

AI moderation
Multilingual chat
Content safety

Top Data Types

TextText
DocumentDocument
ImageImage
AudioAudio

Top Label Types

Classification
Entity Ner Classification
Transcription

Freelancer Overview

Senior Multilingual Moderator, Cloudworkers. Brings 8+ years of professional experience across complex professional workflows, research, and quality-focused execution. Core strengths include Other, Internal, and Proprietary Tooling. Education includes Bachelor of Science, Kenyatta University. AI-training focus includes data types such as Text and labeling workflows including Classification and Entity (NER) Classification.

ExpertEnglish

Labeling Experience

Senior Multilingual Moderator, Cloudworkers

OtherTextClassification
I supervised, labeled, audited, and validated AI-generated multilingual content for moderation and improvement of model performance. I designed quality assurance and validation workflows for multilingual AI datasets to ensure high accuracy and compliance. My responsibilities included enforcing content safety policies and contributing to improved moderation across English, Swahili, French, Spanish, and German. • Led AI-generated content labeling and validation tasks for chat and moderation workflows. • Developed multilingual QA processes to support model training and evaluation. • Improved moderation performance metrics for automated models by 20%. • Utilized Python, Excel, AWS, and AI moderation platforms in daily workflows.

I supervised, labeled, audited, and validated AI-generated multilingual content for moderation and improvement of model performance. I designed quality assurance and validation workflows for multilingual AI datasets to ensure high accuracy and compliance. My responsibilities included enforcing content safety policies and contributing to improved moderation across English, Swahili, French, Spanish, and German. • Led AI-generated content labeling and validation tasks for chat and moderation workflows. • Developed multilingual QA processes to support model training and evaluation. • Improved moderation performance metrics for automated models by 20%. • Utilized Python, Excel, AWS, and AI moderation platforms in daily workflows.

2021 - Present

Senior Data Analyst (AI Labeling Lead), Techno Brain Kenya

TextEntity Ner Classification
I led the design and execution of AI data labeling and annotation workflows for text, image, and audio datasets to improve model accuracy. I participated in AI model audits and validated over 500,000 labeled data points primarily for NLP and computer vision models. My role involved ensuring high-quality data pipelines and managing end-to-end annotation processes. • Designed annotation and dataset validation processes for text, image, and audio. • Improved NLP and CV model performance by 18% via precise data labeling. • Validated large-scale dataset entries for AI model training. • Used Python, SQL Server, Tableau, AWS, and internal/proprietary tools for annotation tasks.

I led the design and execution of AI data labeling and annotation workflows for text, image, and audio datasets to improve model accuracy. I participated in AI model audits and validated over 500,000 labeled data points primarily for NLP and computer vision models. My role involved ensuring high-quality data pipelines and managing end-to-end annotation processes. • Designed annotation and dataset validation processes for text, image, and audio. • Improved NLP and CV model performance by 18% via precise data labeling. • Validated large-scale dataset entries for AI model training. • Used Python, SQL Server, Tableau, AWS, and internal/proprietary tools for annotation tasks.

2021 - 2023

Engagement & Content Specialist (AI Labeling)

OtherTextClassification
I assisted AI teams in content labeling, moderation, and model evaluation to enhance automated moderation systems. My tasks involved engaging in chat content annotation and helping reduce spam/malicious activity through effective labeling strategies. I utilized Python, Excel, and various AI labeling platforms in my workflow. • Collaborated with AI specialists on content labeling initiatives. • Labeled data to enhance AI model performance for chat moderation. • Supported model evaluation and reporting for AI-driven projects. • Helped decrease spam/malicious rates by 30% via targeted annotation.

I assisted AI teams in content labeling, moderation, and model evaluation to enhance automated moderation systems. My tasks involved engaging in chat content annotation and helping reduce spam/malicious activity through effective labeling strategies. I utilized Python, Excel, and various AI labeling platforms in my workflow. • Collaborated with AI specialists on content labeling initiatives. • Labeled data to enhance AI model performance for chat moderation. • Supported model evaluation and reporting for AI-driven projects. • Helped decrease spam/malicious rates by 30% via targeted annotation.

2019 - 2021

Data Analyst (Remote AI Labeling Projects)

OtherTextClassification
I maintained and labeled high-quality datasets to support AI model training and analytics for various remote projects. My work included collaborating with global teams on annotation and data preparation using AI labeling platforms. I contributed to the reliability and scalability of datasets for NLP and analytics applications. • Coordinated with distributed teams to ensure annotation consistency. • Used Python, Excel, Tableau, and AI labeling platforms for labeling workflows. • Ensured data quality for downstream training tasks. • Supported general dataset management for AI analytics projects.

I maintained and labeled high-quality datasets to support AI model training and analytics for various remote projects. My work included collaborating with global teams on annotation and data preparation using AI labeling platforms. I contributed to the reliability and scalability of datasets for NLP and analytics applications. • Coordinated with distributed teams to ensure annotation consistency. • Used Python, Excel, Tableau, and AI labeling platforms for labeling workflows. • Ensured data quality for downstream training tasks. • Supported general dataset management for AI analytics projects.

2019 - 2021

Education

K

Kenyatta university

Computer science, Barchellor of science

Computer science
2021 - 2025
K

Kenyatta University

Bachelor of Science, Statistics and Programming

Bachelor of Science
Not specified

Work History

C

Cloudworkers

Senior Multilingual Moderator

Nairobi
2021 - Present
T

Techno Brain

Senior Data Analyst

Nairobi
2021 - 2023