Project Catalogue

A sample of systems I've worked on

From utilities and cities to content platforms and internal tools.

Utility360

Smart Utilities

Smart water & power metering platform with real-time insights, leak detection and flexible billing models (prepaid, postpaid, hybrid).

Role

Founder • Lead Architect • Full-stack Engineer

Stack

NB-IoT, Node.js, Next.js, React Native, TimescaleDB, PostgreSQL, Redis, Kubernetes

Revenue Stadia

Revenue Assurance

Revenue layer for high-volume payments and collections with scoring, dunning and analytics across multiple services.

Role

Systems Architect • DevOps • Backend Lead

Stack

Node.js microservices, RabbitMQ, Docker, Jenkins, Prisma, PostgreSQL, MinIO

Kozi

Hospitality

Booking, reservations and operations for hospitality teams with customer and property dashboards.

Role

Product Designer • Frontend & API Engineer

Stack

Next.js 15, TailwindCSS, shadcn/ui, Prisma, PostgreSQL

Mbogiwood

Film & Culture

Ticketing and storytelling platform for African filmmakers, festivals and audiences.

Role

Founder • Engineer

Stack

Next.js, Stripe, CMS, Vercel

ERPNext + Tremol Integration

GovTech / Compliance

Integrated ERPNext with Tremol fiscal devices so invoices and POS receipts comply with KRA requirements and include QR codes.

Role

Integrator • Backend Engineer

Stack

Python, ERPNext, REST APIs, XML/HTTP, Linux services

Kubernetes & IoT Infrastructure

DevOps / IoT

Cluster deployments for IoT platforms, with secure gateways, observability and continuous delivery pipelines.

Role

DevOps Engineer • Architect

Stack

Kubernetes, Docker, Jenkins, Prometheus, Grafana