Hello, my name is

John Onyango

I am a

Fullstack Developer

Based in Nairobi, Kenya. I specialize in creating robust and efficient web applications tailored to meet clients' needs. I'd love to discuss your project with you.

Download CV

4+years ofexperience12+FullstackApplications

Hello, my name is

John Onyango

I am a

Fullstack Developer

4+years ofexperience12+FullstackApplications

Based in Nairobi, Kenya. I specialize in creating robust and efficient web applications tailored to meet clients' needs. I'd love to discuss your project with you.

Download CV

what i do

Services

Web Development

Backend Development

Expert in building robust and scalable server-side applications with efficient database management.

Get Quote

Web Development

Frontend Development

Skilled in creating responsive and interactive user interfaces using the latest web technologies.

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Mobile Development

Proficient in developing high-performance mobile applications for both Android and iOS platforms.

Get Quote

Web Development

Backend Development

Expert in building robust and scalable server-side applications with efficient database management.

Get Quote

Web Development

Frontend Development

Skilled in creating responsive and interactive user interfaces using the latest web technologies.

Get Quote

Mobile Development

Proficient in developing high-performance mobile applications for both Android and iOS platforms.

Get Quote

Top companies

I worked with

Decko.app

Professional Skills

Languages

Python

Typescript

PHP

Javascript

CSS

Java

Backend stack

Laravel

Nestjs

Express

Firebase

Gen-AI

Neo4j

Langchain

Kaggle

OpenAI

Anthropic

Databases

Postgresql

MYSQL

mongoDB

Prisma ORM

TypeORM

Eloquent

Frontend stack

Nextjs

Remixjs

Reactjs

Blade

Tailwind

Sass

Redux Toolkit

Tanstack Query

shadcn/UI

Material UI

Slatejs

AlpineJs

E-Commerce

Magento

Shopify

Mobile Development

React Native Expo

Deployment and Tools

Git

Docker

Nginx

AWS

Digital Ocean

Vercel

Portfolio

Applications

professional

JRDUNN Shopify store

High-volume jewelry e-commerce store with a 200K+ product catalogue, built on a custom Alpine.js Satoshi theme with third-party integrations including Discount Ninja and Judge.me. Built at Scandiweb.

Live site

professional

PitchChef: AI Interview Platform

Real-time AI voice interview platform built with Next.js, OpenAI Realtime API, and WebRTC. Built at LatentAIM.

Live site

professional

Decko: AI Events App

AI-powered event aggregator that scrapes data from multiple sources and delivers personalized event recommendations. Built with Python and Next.js at Decko.

Live site

professional

New York Times shopify store

Shopify storefront built on a customized Dawn theme. Built at Scandiweb.

Live site

Resume

Story

Education

Neo4j GraphAcademy

Neo4j and LLM Fundamentals

August 2024 . August 2024

Learnt how to integrate Neo4j with Generative AI models using Langchain.

Self Learning

Masinde Muliro University of Science and Technology

Experience

Two In The Loop

Fullstack Developer

October 2025 . January 2026

Built an AI-powered knowledgebase application using Next.js, NestJS, n8n, and custom GPTs. Built an AI-powered property search tool that analyzed properties scraped from listing sites. Designed and built a fully functional multi-dashboard rental management system for tenants, vendors, and admins using Next.js and NestJS.

Decko

Scandiweb

LatentAIM

Godoco

DoWell Research GmbH, Germany

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Contact Me

Let's

Talk About Ideas

Address

53260-00200, Nairobi.

Freelance

Available right now

jpattrick538@gmail.com

Phone

+254 741 294 298