For employers

Hire this AI Trainer

Sign in or create an account to invite AI Trainers to your job.

Invite to Job
Geoffrey Munene

Geoffrey Munene

AI Data Labeling & Annotation Expert Enhancing Model Accuracy by 15%+

Kenya flagNairobi, Kenya
$10.00/hrExpertAws SagemakerAnno MageAppen

Key Skills

Software

AWS SageMakerAWS SageMaker
Anno-MageAnno-Mage
AppenAppen
ArgillaArgilla
Axiom AI
ClickworkerClickworker
CloudFactoryCloudFactory
CrowdFlowerCrowdFlower
CrowdSourceCrowdSource
CVATCVAT
Data Annotation TechData Annotation Tech
DataloopDataloop
DatatroniqDatatroniq
DatasaurDatasaur
Deep SystemsDeep Systems
DiffgramDiffgram
DoccanoDoccano
Figure EightFigure Eight
Google Cloud Vertex AIGoogle Cloud Vertex AI
HiveMindHiveMind
HumanaticHumanatic
Img Lab
Kili TechnologyKili Technology
LabelboxLabelbox
LabelImgLabelImg
Label StudioLabel Studio
LionbridgeLionbridge
Mighty AIMighty AI
OneFormaOneForma
OpenCV AI Kit (OAK)OpenCV AI Kit (OAK)
Redbrick AIRedbrick AI
RemotasksRemotasks
SamaSama
TolokaToloka
TelusTelus
Trilldata Technologies
VoTT
V7 LabsV7 Labs
Internal/Proprietary Tooling
Scale AIScale AI
ProdigyProdigy

Top Subject Matter

No subject matter listed

Top Data Types

AudioAudio
TextText
VideoVideo

Top Task Types

Bounding Box
Classification
Fine Tuning
Prompt Response Writing SFT
RLHF

Freelancer Overview

I specialize in AI training data, data annotation, and model optimization, leveraging structured labeling, reinforcement learning, and statistical modeling to enhance machine learning accuracy. My work has contributed to 15%+ improvements in AI model performance, refining datasets and optimizing workflows. At Invisible Technologies, I developed high-quality datasets, improving contextual relevance by 25% and streamlining processes for greater efficiency. Beyond structured annotation, I have contributed to NLP projects for global clients, working on text classification, sentiment analysis, and conversational AI fine-tuning. My background in economics, statistics, and predictive modeling enables me to bridge AI development with mathematical precision, ensuring data-driven solutions for AI-enhanced decision-making. With hands-on experience across Python, SQL, Power BI, Tableau, and Stata, I efficiently handle large-scale structured datasets, uncovering insights to improve AI model reliability. Additionally, I have expertise in computer vision, image & video annotation, and autonomous system labeling, contributing to AI applications in self-driving technology, finance analytics, and retail automation. My strong foundation in game theory, probability models, and numerical optimization allows me to fine-tune AI models for efficiency, accuracy, and ethical AI development.

ExpertSwahiliFrenchEnglish

Labeling Experience

Prodigy

AI Training & Data Annotation for LLM Optimization

ProdigyTextEntity Ner ClassificationRLHF
Worked on large-scale data annotation and LLM optimization for a leading AI company, refining text, image, and video datasets to enhance machine learning accuracy. Text Data: Conducted entity recognition, sentiment analysis, and classification to fine-tune natural language processing (NLP) models, increasing response accuracy by 25%. Image & Video Data: Labeled bounding boxes, object detection, and tracking datasets for autonomous systems and AI-enhanced retail automation, improving AI visual recognition efficiency by 20%. Quality Assurance: Implemented reinforcement learning and structured dataset fine-tuning, reducing error rates by 30% and improving contextual relevance. Project Size: Processed millions of labeled instances, collaborating with global AI teams to ensure high-quality, structured datasets for LLM and computer vision applications.

Worked on large-scale data annotation and LLM optimization for a leading AI company, refining text, image, and video datasets to enhance machine learning accuracy. Text Data: Conducted entity recognition, sentiment analysis, and classification to fine-tune natural language processing (NLP) models, increasing response accuracy by 25%. Image & Video Data: Labeled bounding boxes, object detection, and tracking datasets for autonomous systems and AI-enhanced retail automation, improving AI visual recognition efficiency by 20%. Quality Assurance: Implemented reinforcement learning and structured dataset fine-tuning, reducing error rates by 30% and improving contextual relevance. Project Size: Processed millions of labeled instances, collaborating with global AI teams to ensure high-quality, structured datasets for LLM and computer vision applications.

2022 - 2024

Education

C

Chuka University

Master of Applied Statistics, Applied Statistics

Master of Applied Statistics
2023 - 2025
C

Chuka University

Bachelor of Science, Economics and Statistics

Bachelor of Science
2016 - 2020

Work History

I

Invisible Technologies

Data Operator

San Francisco
2022 - Present
M

Meru Central Dairy Co-Operative Union

Finance and Accounts Intern

Meru
2019