https://arus.io Thoughts on AI, engineering leadership, and building software from a fractional CTO with 14+ years of experience. en-us Sun, 19 Apr 2026 20:02:21 GMT https://arus.io/blog/building-lifepath-generative-collective-intelligence https://arus.io/blog/building-lifepath-generative-collective-intelligence How I architected LifePath — a generative collective intelligence platform — and the hard technical lessons from shipping it. Mon, 10 Feb 2025 00:00:00 GMT https://arus.io/blog/lora-fine-tuning-domain-expert-ai https://arus.io/blog/lora-fine-tuning-domain-expert-ai I built a pipeline that turns a 50-line persona definition into a locally-runnable AI expert in 10 minutes. Here's how the whole system works. Mon, 10 Feb 2025 00:00:00 GMT https://arus.io/blog/when-to-hire-fractional-cto https://arus.io/blog/when-to-hire-fractional-cto Stop overthinking this. Here's when fractional makes sense and when you actually need a full-time hire. Mon, 15 Jan 2024 00:00:00 GMT https://arus.io/blog/llm-implementation-guide-startups https://arus.io/blog/llm-implementation-guide-startups I shipped the first chatbot in AgTech before everyone else figured it out. Here's what I learned. Mon, 08 Jan 2024 00:00:00 GMT https://arus.io/blog/technical-due-diligence-checklist https://arus.io/blog/technical-due-diligence-checklist I've done diligence for VCs and acquirers. Here's what actually matters — and what's a red flag. Mon, 01 Jan 2024 00:00:00 GMT