I build production web and mobile apps with TypeScript, Node.js and GraphQL — from payments and POS systems to data‑heavy SaaS platforms. 7 years in, working remotely from Nairobi with teams across Africa, Europe and the US.
Built products with teams at
From new features to architecture: senior support for your React and React Native product.
Ship cross‑platform apps with React, React Native and Expo — typed end to end, covered by Jest, RTL and Playwright.
Refactor legacy frontends, cut render lag and over‑fetching, and build component systems your team can scale with.
Transaction‑heavy workflows, M‑Pesa STK Push, reporting dashboards and production monitoring with Sentry and Datadog.
Complex applications and digital products I've helped build.
Rebuild of a React Native app into a data‑driven, multi‑tenant SaaS platform
Performance and tablet experience for a production mobile app
Modernizing a legacy React application and shared UI library
Tell me about your product and your team. Let's see whether working together for the long term is a good fit.
Discuss your project
Multi‑tenant point‑of‑sale and inventory platform for retail — M‑Pesa STK Push and split payments, offline‑capable sync, thermal receipt printing, and reporting dashboards with peak‑hours heatmaps and staff performance.
Full‑stack, multi‑tenant SaaS for gym management — memberships, bookings, training schedules and payments, on mobile and web with secure auth and file storage.
What I reach for to ship and run production software.
Tell me about your product, your team and the timeline. I usually reply within one business day.