Work

Research

Algorithms and pipelines for spatiotemporal data at scale.

HierGP: Hierarchical Grid Partitioning
Published, ACM TSAS
A published method for cutting a 289-million-point dataset down to 2.5% of its size without changing the measurements it returns.
Python · PostgreSQL · Google Earth Engine
Spatiotemporal Exposure Portal
In development
A web interface for querying location-linked environmental exposure data.
React · .NET · Redis · PostgreSQL
Visit Detection
Published, IJHG
Finding 156,405 separate visits in noisy GPS data from 357 participants.
Python · GeoPandas

Monitoring and service management.

File Integrity Monitor
Logs unauthorised file changes over time. Built for a graduate security course, based on drift detection I had delivered at MTN Nigeria.
.NET · C# · MSSQL
Configuration Drift Detection
MTN Nigeria, 2018
Reported unauthorised configuration file changes across 2,000 servers. The vendor platform did not cover this.
.NET · C# · MSSQL · BMC

Systems I built as a hobby and for my own use.

Membership & Event Operations Platform
In production since 2010
Membership records, event registration and reporting for a church organisation with 1,397 branches in two countries.
.NET Core · PostgreSQL · Redis · Next.js · Docker
Read more →
Songbook Content Platform
Live; iOS reader shipped 2025
A backend and admin portal that publishes songs to mobile apps which work with no internet.
TypeScript · Cloudflare Workers · R2 · React
Sight Words
In use, by one child
A reading app I built for my five-year-old.
React · TypeScript · Postgres · Vercel
Visitor Follow-Up Platform
Going live 2026
Guest follow-up over SMS and WhatsApp, shared by a team in an organization.
Next.js · PostgreSQL · Drizzle · Twilio
Children's Lessons
Packaged for release
Church Sunday School lessons on devices: Android, iOS, Windows and macOS.
Flutter · Dart · Cloudflare Workers · Hive
Piano Lessons
In use every lesson
Practice queues for a piano teacher and their students.
Next.js · Prisma · PostgreSQL
Student Records Platform
2006–2008
Enrollment, grading and transcripts for over 5,000 students at a Nigerian university.
ASP.NET · MSSQL