Rob Deas — Senior Software Engineer, Software Architect & Open Source Builder
I specialize in Java 21–25, Kotlin, Spring Boot, and developer productivity. I build tools for concurrency, security, and automation — published to Maven Central and GitHub.
This site is my working notebook for my experiments, lessons, and side projects.
Often Java or Kotlin, sometimes TypeScript, always hands-on.
New from the Notebook
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SheafGate: Building Desktop Apps with SvelteKit and Bun, Without Electron
I wanted to build a desktop app. I wanted to write it in SvelteKit with Bun. I didn’t want Electron. […]
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🛠 Technologies I Work With
🗂️ Also in the Notebook
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SheafJournal: A Developer’s Journal App Built the Way I Wanted It
I’ve been using note-taking and journalling apps for years. Like most developers I’ve tried most of them. For a while […]
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JSpecify is great for APIs lets handle local nulls too
Beyond the Gap: Introducing NotNull4J 0.1.0 Static analysis is a powerful ally in the fight against NullPointerException, but it isn’t […]
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