Full-stack engineer · Nairobi / remote

Software systemsbuilt to ship.

Full-stack development, payment integrations, and maintainable codebases using modern JavaScript and Python stacks.

PRODUCT ENGINEERING

CI/CD & RELIABILIT

PAYMENT SYSTEMS

10+

Deployed Projects

Years Experience

Multiple

Payment Integrations

// Selected Work

Success Stories

Systems built to solve real problems — and keep running.

Organica Ltd

Business Portfolio

A premium digital platform for a Kenyan agribusiness connecting fresh produce, dried products, and raw honey with local and international buyers.

NextJSTailwind CSSSEOMailgun JS

View Case Study

QU Farms Limited

Business Portfolio

Qufarms is a modern agritech platform that bridges technology and agriculture, delivering a fast, scalable, and intuitive digital experience for farmers, agribusinesses, and consumers through a responsive, performance-focused web application.

NextJSShadCN UITailwind CSSSEOContent Management

View Case Study

Coffea Academy LMS

SAAS

A full-stack e-learning platform for coffee professionals and enthusiasts. Built with Next.js and NestJS, covering everything from barista fundamentals to roast development — taught by Kenya's 2025 Barista Champion.

NextjsNestJsTanstack QueryNextAuthSwaggerDockerBullMQAWS S3TipTapTailwind CSSShadcn UIZustandReact Hook Form

View Case Study

Portfolio Designs V2

UI/UX Design

Figma designs for my personal portfolio.

FigmaMaterial Design

View Case Study

View All Projects

// Tools of the Trade

Tech Stack

Every layer of your product deserves the same care. Here's how I approach each one.

The Problem

Users leave when experiences feel slow, confusing, or outdated.

Interfaces That Convert Browsers into Buyers

I build fast, accessible interfaces using modern frameworks and design systems. Every interaction is intentional—designed to guide users toward action.

Technologies

ReactNext.jsVue.jsTypeScriptJavaScriptTailwindCSSMaterial UIBootstrapZustandRedux ToolkitReact QueryFigma

// faq

How I Work

Common questions from founders and teams I work with.

It can be. I'll tell you honestly on our first call whether your scope and stage are a good fit — I'm not going to take on a project I don't think I can serve well. I've built a product from zero myself (I'm the solo technical co-founder of Coffea Academy, a live SaaS platform), so I know what "get this working now, without boxing in year two" actually looks like in practice.

// feedback

What Clients Say

Real feedback from teams I've worked with across tech and coffee projects.

“Organica Packhouse Ltd has been impressed by The delivery of the Company Website done by Simon Mwangi which has helped us with Clientele and Export Market Delivery and Customer Feedbacks.”

Organica Packhouse Ltd

Director

“Simon is a dedicated and talented developer. With the responses and clients we are getting from our platform, he created a highly responsive, market-driven Agri-food website for us.”

Simon

QU Farms | Director

// Contact

Let's Build Something

Whether you need a payment system, a scalable platform, or help fixing what's broken—I'm here to help.

Contact Info

hello@simonmwangi.com +254 726 869 778

Nairobi, Kenya

Connect

I typically respond within 24 hours. If your project is urgent, mention it in your message.