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Brian Otieno

Brian Otieno

Data Specialist - Human-in-the-loop NLP Data Annotator

Kenya flagNairobi, Kenya
$9.00/hrExpertCloudfactory

Key Skills

Software

CloudFactoryCloudFactory

Top Subject Matter

Natural Language Processing/LLMs
Legal Services & Contract Review
Regulatory Compliance & Risk Analysis

Top Data Types

TextText
DocumentDocument

Top Task Types

Entity (NER) ClassificationEntity (NER) Classification

Freelancer Overview

Data Specialist - Human-in-the-loop NLP Data Annotator. Brings 5+ years of professional experience across legal operations, contract review, compliance, and structured analysis. Core strengths include CloudFactory. Education includes Bachelor of Science, KCA University (2023) and Kenya Certificate of Secondary Education, Hospital Hill High School (2018). AI-training focus includes data types such as Text and labeling workflows including Entity (NER) Classification.

ExpertEnglish

Labeling Experience

CloudFactory

Data Specialist - Human-in-the-loop NLP Data Annotator

CloudfactoryTextEntity Ner Classification
As a Data Specialist at CloudFactory, I worked as a human-in-the-loop data annotator focusing on NLP and LLM model development. My responsibilities included verifying and enhancing the quality of textual data for AI training. I executed annotation and classification tasks to support the development and improvement of AI language models. • Performed detailed textual data annotation for NLP projects. • Used internal/proprietary tools provided by CloudFactory. • Supported both data labeling and quality assurance tasks simultaneously. • Collaborated with QA teams to ensure high annotation standards.

As a Data Specialist at CloudFactory, I worked as a human-in-the-loop data annotator focusing on NLP and LLM model development. My responsibilities included verifying and enhancing the quality of textual data for AI training. I executed annotation and classification tasks to support the development and improvement of AI language models. • Performed detailed textual data annotation for NLP projects. • Used internal/proprietary tools provided by CloudFactory. • Supported both data labeling and quality assurance tasks simultaneously. • Collaborated with QA teams to ensure high annotation standards.

2021 - 2023

Education

K

KCA University

Bachelor of Science, Business Information Technology

Bachelor of Science
2019 - 2023
H

Hospital Hill High School

Kenya Certificate of Secondary Education, General Secondary Education

Kenya Certificate of Secondary Education
2014 - 2018

Work History

C

CloudFactory

Quality Control Agent

Nairobi
2022 - Present
C

CloudFactory

Team Captain

Nairobi
2023 - 2025