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Aron Kiprop

Aron Kiprop

AI Trainer – NLP and Sentiment Analysis

KENYA flag
Nairobi, Kenya
$19.00/hrExpertLabelboxCVATOther

Key Skills

Software

LabelboxLabelbox
CVATCVAT
Other

Top Subject Matter

Natural Language Processing (NLP)
Sentiment Analysis
Named Entity Recognition (NER)

Top Data Types

TextText
ImageImage
AudioAudio
DocumentDocument

Top Label Types

Classification
Bounding Box
Transcription

Freelancer Overview

AI Trainer – NLP and Sentiment Analysis. Core strengths include Labelbox, CVAT, and Other. Education includes Diploma in Computer Science, Rift Valley Institute of Science and Technology and High School Certificate, N/A. AI-training focus includes data types such as Text, Image, and Audio and labeling workflows including Classification, Bounding Box, and Transcription.

ExpertSwahiliEnglish

Labeling Experience

Labelbox

AI Trainer – Content Moderation Data Labeling

LabelboxImageClassification
In an AI content moderation project, I labeled both text and image data to train content moderation systems. I ensured all labeling adhered strictly to content guidelines and supported moderation algorithm improvements. My work contributed to safer, guideline-compliant AI models. • Labeled image data for moderation purposes • Applied classification labels to flagged content • Supported development of compliance tools • Maintained annotation quality and consistency

In an AI content moderation project, I labeled both text and image data to train content moderation systems. I ensured all labeling adhered strictly to content guidelines and supported moderation algorithm improvements. My work contributed to safer, guideline-compliant AI models. • Labeled image data for moderation purposes • Applied classification labels to flagged content • Supported development of compliance tools • Maintained annotation quality and consistency

2023 - 2025

AI Trainer – Speech Recognition Data Annotation

OtherAudioTranscription
As part of a speech recognition project, I was responsible for transcribing and annotating audio recordings. I maintained high standards for transcription accuracy and ensured linguistic consistency throughout the dataset. This work directly supported the training of robust voice AI models. • Transcribed and annotated diverse audio samples • Ensured compliance with audio labeling guidelines • Conducted data quality reviews on transcriptions • Collaborated with the voice AI engineering team

As part of a speech recognition project, I was responsible for transcribing and annotating audio recordings. I maintained high standards for transcription accuracy and ensured linguistic consistency throughout the dataset. This work directly supported the training of robust voice AI models. • Transcribed and annotated diverse audio samples • Ensured compliance with audio labeling guidelines • Conducted data quality reviews on transcriptions • Collaborated with the voice AI engineering team

2023 - 2025
CVAT

AI Trainer – Computer Vision Annotation

CVATImageBounding Box
I performed image annotation and object detection labeling as part of a computer vision project. My main responsibility was to use bounding boxes and segmentation techniques to annotate different categories of objects in images. I helped increase model performance and dataset reliability through detailed reviews and adherence to guidelines. • Labeled vehicles, pedestrians, and infrastructure objects • Applied bounding box and segmentation annotations • Utilized CVAT and quality control tools • Supported dataset curation and preparation

I performed image annotation and object detection labeling as part of a computer vision project. My main responsibility was to use bounding boxes and segmentation techniques to annotate different categories of objects in images. I helped increase model performance and dataset reliability through detailed reviews and adherence to guidelines. • Labeled vehicles, pedestrians, and infrastructure objects • Applied bounding box and segmentation annotations • Utilized CVAT and quality control tools • Supported dataset curation and preparation

2023 - 2025
Labelbox

AI Trainer – NLP and Sentiment Analysis

LabelboxTextClassification
As an AI Trainer at Nairobi Tech Innovators Ltd, I specialized in annotating and labeling large-scale Natural Language Processing datasets. My contributions focused on sentiment classification, entity tagging, and maintaining strict annotation quality standards. I collaborated with engineering teams to optimize data workflows and ensure high-quality datasets. • Annotated 50,000+ text samples for sentiment classification • Tagged named entities for NLP tasks • Developed and implemented annotation guidelines • Conducted quality assurance checks for labeled data

As an AI Trainer at Nairobi Tech Innovators Ltd, I specialized in annotating and labeling large-scale Natural Language Processing datasets. My contributions focused on sentiment classification, entity tagging, and maintaining strict annotation quality standards. I collaborated with engineering teams to optimize data workflows and ensure high-quality datasets. • Annotated 50,000+ text samples for sentiment classification • Tagged named entities for NLP tasks • Developed and implemented annotation guidelines • Conducted quality assurance checks for labeled data

2023 - 2025

Education

N

N/A

High School Certificate, General Education

High School Certificate
Not specified
R

Rift Valley Institute of Science and Technology

Diploma in Computer Science, Computer Science

Diploma in Computer Science
Not specified

Work History

N

Nairobi Tech Innovators

Staff

Nairobi
2023 - 2024