Software, systems & people

Building things.
Figuring things out.

Hi, I’m Volodymyr.
Software engineer & engineering leader in Dublin.

These are my notes on building software, working with people, and what I learn along the way.

Fresh from the workbenchNOTE / 017

Machine learningField notes · Apple Watch

Making My Apple Watch Strike Detector Useful for Training

I upgraded to Apple Watch Series 11, trained a model to recognise several types of hurling strike, and tracked two months of practice.

Sep 9, 2026·11 min read

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The notebook

More things I’ve been exploring.

The full archive

Machine learning7 min read

Resetting the Idea of Measuring a Hurling Strike

After getting strike detection working, the harder problem is deciding what the strike means, especially when judging contact quality from only one Apple Watch sensor.

Jun 23, 2026

Machine learning9 min read

Detecting a Hurling Strike with Apple Watch IMU Data

Building a binary CNN pipeline for hurling strike detection from Apple Watch IMU data, including labeling, sliding windows, and validation.

Apr 23, 2026

Machine learning6 min read

Can an Apple Watch Detect a Hurling Strike?

Early experiments with Apple Watch IMU data, audio recording, and 3D visualisation to understand hurling motion and start detecting specific actions like air strikes.

Apr 9, 2026

Side projects2 min read

Teaching Binary Search With a Game

A simple interactive game I made to help my kids understand binary search by doing, seeing the feedback instantly, and learning why halving the search space matters.

Jan 12, 2026

Leadership5 min read

10 Years Complete Anatomy

Complete Anatomy has grown far beyond anything we imagined, shaped by passion, creativity, and a team that always believed in the mission. I’m deeply proud to have been part of that journey with so many brilliant people.

Nov 14, 2025

Leadership4 min read

Past, Now, Future

Most of us don’t live in just one moment - we drift between the past, the present, and the future without realising it. Learning how to move consciously between them can change the way we see our lives.

Oct 11, 2025

Engineering5 min read

Swift and WebAssembly for a browser

Swift WebAssembly offers two paths: SwiftWasm's WASI-based approach and Swift Embedded (with emsdk), both enabling browser-based Swift applications with different tradeoffs and capabilities.

Mar 15, 2025