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Lenny Gachoka

Data Labeling & AI Training Specialist

Kenya flagNairobi, Kenya
$50.00/hrExpertAxiom AIClickworkerCloudfactory

Key Skills

Software

Axiom AI
ClickworkerClickworker
CloudFactoryCloudFactory
Data Annotation TechData Annotation Tech
MercorMercor
Snorkel AISnorkel AI
TelusTelus
Scale AIScale AI
RemotasksRemotasks
CVATCVAT

Top Subject Matter

Computer Vision
Natural Language Processing
Computer Programming

Top Data Types

ImageImage
TextText

Top Task Types

Segmentation
Entity Ner Classification

Freelancer Overview

Data Labeling & AI Training Specialist. Brings 11+ years of professional experience across complex professional workflows, research, and quality-focused execution. Core strengths include Axiom AI, Clickworker, and CloudFactory. Education includes Bachelor of Science, University of Texas at Austin (2016). AI-training focus includes data types such as Image, Text, and Computer Code and labeling workflows including Segmentation, Entity (NER) Classification, and Computer Programming.

ExpertEnglishSwahili

Labeling Experience

Data Labeling & AI Training Specialist

Axiom AI
I contributed to labeling and annotating computer code datasets for training AI models in programming and code generation. My responsibilities included labeling code snippets, evaluating code completion outputs, and ensuring dataset integrity for machine learning workflows. I carried out these tasks using industry-standard software as part of expert annotation teams. • Annotated and labeled code for algorithmic and language model training • Evaluated model outputs for correctness and completeness • Used multiple platforms spanning data labeling and AI training • Maintained high accuracy and reliability in code annotation projects

I contributed to labeling and annotating computer code datasets for training AI models in programming and code generation. My responsibilities included labeling code snippets, evaluating code completion outputs, and ensuring dataset integrity for machine learning workflows. I carried out these tasks using industry-standard software as part of expert annotation teams. • Annotated and labeled code for algorithmic and language model training • Evaluated model outputs for correctness and completeness • Used multiple platforms spanning data labeling and AI training • Maintained high accuracy and reliability in code annotation projects

Present

Data Labeling & AI Training Specialist

Axiom AITextEntity Ner Classification
I participated in NER classification and text summarization projects for AI model training and evaluation. My tasks involved labeling and annotating large volumes of natural language datasets using modern industry tools. I ensured precision and consistency in naming entities, categorizing data, and producing high-quality labeled datasets. • Labeled text for classification and text summarization using multiple platforms • Performed evaluation rating and fine-tuning tasks on NLP data • Collaborated with remote teams to maintain accuracy • Demonstrated strong analytical and problem-solving skills in annotation work

I participated in NER classification and text summarization projects for AI model training and evaluation. My tasks involved labeling and annotating large volumes of natural language datasets using modern industry tools. I ensured precision and consistency in naming entities, categorizing data, and producing high-quality labeled datasets. • Labeled text for classification and text summarization using multiple platforms • Performed evaluation rating and fine-tuning tasks on NLP data • Collaborated with remote teams to maintain accuracy • Demonstrated strong analytical and problem-solving skills in annotation work

Present

Data Labeling & AI Training Specialist

Axiom AIImageSegmentation
I performed expert-level image segmentation and annotation to support computer vision AI training projects. As a member of cross-functional data annotation teams, I contributed to reliable, high-quality datasets for machine learning development and model validation. I consistently applied advanced labeling techniques, ensuring scientific rigor and consistent standards across diverse datasets. • Extensive experience in action recognition and segmentation annotation tasks • Used Axiom AI, Clickworker, CloudFactory, Data Annotation Tech, Mercor, Snorkel AI, Telus, Scale AI, Remotasks, and CVAT • Maintained strict attention to detail and quality assurance in all projects • Adapted quickly to multiple software platforms and requirements

I performed expert-level image segmentation and annotation to support computer vision AI training projects. As a member of cross-functional data annotation teams, I contributed to reliable, high-quality datasets for machine learning development and model validation. I consistently applied advanced labeling techniques, ensuring scientific rigor and consistent standards across diverse datasets. • Extensive experience in action recognition and segmentation annotation tasks • Used Axiom AI, Clickworker, CloudFactory, Data Annotation Tech, Mercor, Snorkel AI, Telus, Scale AI, Remotasks, and CVAT • Maintained strict attention to detail and quality assurance in all projects • Adapted quickly to multiple software platforms and requirements

Present

Education

U

University of Texas at Austin

Bachelor of Science, Computer Science

Bachelor of Science
2012 - 2016

Work History

I

IBM

Senior Machine Learning Engineer

Nairobi
2021 - Present
D

Dell Technologies

Machine Learning Engineer

Nairobi
2018 - 2021