Waldo VanderhaeghenPM, builder, and occasional thinker. Writing about AI tooling, side projects, and product work.https://waldo.vanderlore.de/The future of SaaS is tailored softwarehttps://waldo.vanderlore.de/blog/software-factory-biztrix/https://waldo.vanderlore.de/blog/software-factory-biztrix/I built an NFC business card platform with a friend who runs a print shop. What we learned along the way says something about where software is going.Fri, 29 May 2026 00:00:00 GMTThe ticket is the thinkinghttps://waldo.vanderlore.de/blog/spec-driven-development/https://waldo.vanderlore.de/blog/spec-driven-development/How I treat every task, bug, and finding as a spec — and why that turns a kanban board into a compounding knowledge system.Fri, 29 May 2026 00:00:00 GMTHow we stopped hoping our AI was right and started knowing ithttps://waldo.vanderlore.de/blog/the-model-doesnt-decide/https://waldo.vanderlore.de/blog/the-model-doesnt-decide/We built a fully automated campaign recommendation pipeline. The AI was fast, impressive, and wrong in ways we didn't notice for weeks. Here's what fixing that actually looked like.Mon, 11 May 2026 00:00:00 GMTMy sync daemon wiped 28 tasks in two seconds. Here's what I learned.https://waldo.vanderlore.de/blog/notion-obsidian-sync-war-story/https://waldo.vanderlore.de/blog/notion-obsidian-sync-war-story/A war story about building a Notion ↔ Obsidian sync daemon — what broke, why 28 tasks vanished, and the three simple fixes that made it resilient.Thu, 30 Apr 2026 00:00:00 GMTWe can each build anything. So why can't we build together?https://waldo.vanderlore.de/blog/ai-camp-berlin-2026/https://waldo.vanderlore.de/blog/ai-camp-berlin-2026/Notes from AI Bar Camp Berlin 2026 — my talk, what the room taught me, and the shared context problem nobody has solved yet.Tue, 28 Apr 2026 00:00:00 GMTThe future of AI agents looks a lot like 2010.https://waldo.vanderlore.de/blog/how-i-run-my-agent-team/https://waldo.vanderlore.de/blog/how-i-run-my-agent-team/The thing missing from most agent setups isn't model quality or tool use. It's project management. Old patterns, new actors.Tue, 28 Apr 2026 00:00:00 GMTYou were never paying for the software.https://waldo.vanderlore.de/blog/you-were-never-paying-for-the-software/https://waldo.vanderlore.de/blog/you-were-never-paying-for-the-software/The AI-kills-SaaS debate is asking the wrong question. SaaS was always a data product. AI doesn't change that — it makes it more true.Wed, 22 Apr 2026 00:00:00 GMTCTR is not the story. It's the first sentence.https://waldo.vanderlore.de/blog/ctr-is-not-the-story/https://waldo.vanderlore.de/blog/ctr-is-not-the-story/Optimizing search ranking for a sponsored ads product taught me something about proxy metrics: CTR tells you one thing. It doesn't tell you everything — and the gap is where the interesting problems live.Thu, 16 Apr 2026 00:00:00 GMTMost AI-generated Jira tickets are useless. Here's the system that fixed mine.https://waldo.vanderlore.de/blog/pm-workflow-ai-tickets/https://waldo.vanderlore.de/blog/pm-workflow-ai-tickets/A set of Claude Code skills that encode your team's ticket philosophy once — so every Jira output starts grounded, not generic.Thu, 09 Apr 2026 00:00:00 GMTWe could only manually review a fraction of campaigns each week. Now every single one gets analysed every night.https://waldo.vanderlore.de/blog/campaign-analysis-automation/https://waldo.vanderlore.de/blog/campaign-analysis-automation/How I automated campaign review for a large book of advertisers using Python, Bedrock, and GitHub Pages.Tue, 31 Mar 2026 00:00:00 GMTMy tax script kept breaking. Claude Code read the whole thing and fixed it.https://waldo.vanderlore.de/blog/tax-flow-claude-code/https://waldo.vanderlore.de/blog/tax-flow-claude-code/How switching from patch-by-chat to Claude Code's full-context collaboration changed the way I build and maintain automation scripts.Sun, 15 Mar 2026 00:00:00 GMTMy daughter named it. I just had to build it.https://waldo.vanderlore.de/blog/robot-cooks-drawings/https://waldo.vanderlore.de/blog/robot-cooks-drawings/Building a printable coloring page generator with Gemini, Supabase pgvector, and Puppeteer.Thu, 05 Mar 2026 00:00:00 GMTEducation leave rocked my workhttps://waldo.vanderlore.de/blog/bildungsurlaub-rocked-my-work/https://waldo.vanderlore.de/blog/bildungsurlaub-rocked-my-work/Five days at a remote Generative AI course. I went to learn Python and LLMs. I did not expect to ship.Sat, 28 Feb 2026 00:00:00 GMTAI Invoice Automation (Gemini)https://waldo.vanderlore.de/blog/ai-invoice-automation/https://waldo.vanderlore.de/blog/ai-invoice-automation/A self-learning pipeline that processes German tax invoices from Google Drive using Gemini AI — zero cost, fully automated.Mon, 26 Jan 2026 00:00:00 GMTSmoobu → Google Sheets Automationhttps://waldo.vanderlore.de/blog/smoobu-sheets/https://waldo.vanderlore.de/blog/smoobu-sheets/Automatically syncs Airbnb/Booking.com reservations from Smoobu into separate sheets for your cleaner, accountant, and yourself.Sat, 10 Jan 2026 00:00:00 GMTInteractive Portfolio — AI Recruiter Copilothttps://waldo.vanderlore.de/blog/interactive-portfolio/https://waldo.vanderlore.de/blog/interactive-portfolio/A dynamic portfolio that acts as my AI proxy — processes 10+ years of product leadership data to evaluate job fit and answer recruiter queries.Wed, 10 Dec 2025 00:00:00 GMT