I estimate civil and building work, and I build the software I wanted for it.

Selected work

• Kwest — Earthworks Takeoff

  In development

  Digitises contours from PDF drawings, builds triangulated surfaces and computes cut and fill volumes for tender. A Compose Desktop shell over a Rust geometry kernel.

  • Rust
  • Kotlin
  • Compose Desktop
  • wgpu

• kubitKarl — Bill of Quantities

  In development

  A single-user estimating tool for preparing bills of quantities in Australian quantity surveying, built to replace the commercial package I was using.

  • Kotlin
  • Compose Desktop
  • SQLDelight

• Ironbark Civil

  Demonstration

  A marketing site for a fictional contractor, built to find out how fast a content site can be. Perfect Lighthouse scores on throttled mobile, with a performance budget enforced in CI.

  • Astro
  • Cloudflare Workers
  • Lighthouse CI

• This site

  Live

  A small Rust web application — server-rendered, no JavaScript framework, deployed by pushing to a branch. The colophon has the details.

  • Rust
  • Axum
  • PostgreSQL

Read about these in more detail →

Get in touch

Happy to talk about estimating software, measurement, or work. karloneill@protonmail.com