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Bartingei Johnpaul

@bartingeijohnpaul

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Frontend developer building web applications with React, including Socka AI, a live football prediction platform.

Kenya

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As a freelance Frontend Developer, I design and build websites and web interfaces with React and modern frontend frameworks. I integrate services such as payments, movie data, and AI APIs into web applications.

I built Socka AI, a live football prediction platform using React, FastAPI, and Python. I also built Stack, a food delivery app with M-Pesa Daraja STK Push payments, live order tracking, and a kitchen dashboard.

My other projects include Tinema, a movie recommendation app built with React and the TMDB API, and a Flask REST API for quote search and category filtering.

As a freelance AI Trainer and Data Annotator for Outlier, Remotasks, and Handshake, I evaluated and ranked AI responses, wrote prompts and ideal responses, and reviewed AI-generated code. I’m studying for a Bachelor of Science in Software Engineering at Multimedia University of Kenya.

Experience

Work history, roles, and key accomplishments

Current

Frontend Developer

Current

Freelance

Sep 2023 - Present (3 years 2 months)

Designed and built websites and web interfaces using React and modern frontend frameworks. Integrated external services including payments, movie data, and AI APIs into web applications, and deployed full applications independently.

React Frontend Development API Integration Web Development Deployment

AI Trainer and Data Annotator

Outlier, Remotasks, Handshake

Evaluated and ranked AI-generated responses for accuracy, helpfulness, safety, and instruction adherence. Wrote prompts and ideal responses across coding, reasoning, and general knowledge topics, and reviewed AI-generated code for logic errors and inefficiencies.

Data Annotation Response Ranking Prompt Writing AI Evaluation Code Review Fact Checking Safety review Guideline Adherence Quality Assurance

Education

Degrees, certifications, and relevant coursework

Multimedia University of Kenya

Bachelor of Science, Software Engineering

2023 -

Pursuing a Bachelor of Science in Software Engineering with coursework in machine learning fundamentals, software construction, and project management.