Stephen Imbisi

Verified mentorTechnical mentor
0 mentees guided

About

I am a data and AI professional with a background in applied statistics, data analysis, AI evaluation, tutoring and web development. I work across data, technology and education, helping transform information into practical solutions, learning experiences and digital products.

My experience includes data analysis, AI model evaluation, annotation, geospatial data, web application development and teaching mathematics, statistics, programming and data science. I enjoy explaining complex concepts clearly and supporting learners at different levels while applying analytical skills to real-world problems.

I focus on delivering accurate work, continuous learning and solutions that create value through data, technology and education.

Portfolio3

MotherCare Wellness Planner

2026 · Full-stack developer

Designed and developed a responsive pregnancy wellness platform with user registration, pregnancy profiles, daily routines, diet guidance and clinic visit tracking. Built the frontend, backend and database integration.

Web DevelopmentReactNode.jsMySQLUI/UXProduct Design

Constitution Legal Aid Platform

2026 · Full-stack developer

Built a responsive platform containing Kenya's constitutional articles, with structured navigation and a simple interface designed to make legal information easier to access and understand.

Web DevelopmentJavaScriptNode.jsSQLiteUXInformation Systems

Data & AI Evaluation and Annotation

2022–2026 · Data Analyst & AI Trainer

Worked on evaluating AI outputs, creating and reviewing training data, applying annotation guidelines and identifying errors and edge cases. Worked with text, images, audio and geospatial data while maintaining quality and consistency.

Data AnalysisAI EvaluationData AnnotationQuality AssuranceGeospatial DataPythonExcelSQL

Skills9

Data AnalysisAI EvaluationPythonSQLSTEM & Tech TutorWeb DevelopmentGeospatial DataUI/UX DesignStatistical Analysis

Experience

Tutor – Mathematics, Statistics & Technology

ESINED

Tutor students in mathematics, statistics, programming, data science and technology. Develop practical exercises, explain technical concepts and provide feedback based on individual learning needs.

AI Trainer

Scale AI

Worked on AI training datasets through annotation, evaluation and quality review. Applied detailed guidelines to improve the accuracy and consistency of datasets used for machine learning.

Data Analyst & Research Assistant

Kenya Agricultural and Livestock Research Organization (KALRO)

Supported research and data analysis activities, working with datasets, statistical analysis, reporting and research documentation.

AI Trainer – Language & Prompt Development

Digital Divide Data

Create and evaluate prompts and training data in English and Swahili. Review model responses for accuracy, relevance, language quality and cultural context.

Certifications4

AI Model Trainer

micro1

Google Analytics 4

Google

Geospatial Data Management for Energy Access Modelling and Planning

The Open University

Statistical Classes

University Of Kabianga

Education

Bachelor of Science in Applied Statistics with Computing

Applied Statistics with Computing

Focused on statistics, computing, data analysis, research methods and quantitative problem solving.

Work with Stephen

Weekly code review, architecture and hands-on project work.

0
Mentees guided
0
Sessions held
—
Average rating
3
Places open

Why this profile is trusted

Email address verified by Refonte

On Refonte since 2026