Founder and software engineer in Potsdam, Germany. Studied IT-Systems-Engineering at HPI and building my own products ever since.https://valentindoering.de/https://valentindoering.de/writing/ente-agent-harness/https://valentindoering.de/writing/ente-agent-harness/How Ente's first users tuned the agent with personal prompts and dictionaries, and why one person's prompt work makes adoption easy for everyone else.Fri, 01 May 2026 00:00:00 GMThttps://valentindoering.de/writing/ente-data-structure/https://valentindoering.de/writing/ente-data-structure/Why Ente treats work as activities owned by multiple entities instead of tasks trapped in one silo.Sun, 01 Feb 2026 00:00:00 GMThttps://valentindoering.de/writing/why-i-am-switching-from-supabase-to-convex/https://valentindoering.de/writing/why-i-am-switching-from-supabase-to-convex/A short note on real-time sync, local state, and why Convex fits the systems I am building now.Thu, 01 Jan 2026 00:00:00 GMThttps://valentindoering.de/writing/rechnungs-tools-platform-rewrite/https://valentindoering.de/writing/rechnungs-tools-platform-rewrite/Why rechnungs.tools moved beyond the first Google Sheets add-on while keeping the same free-invoicing idea.Wed, 01 Oct 2025 00:00:00 GMThttps://valentindoering.de/writing/predator-budibase-to-nextjs/https://valentindoering.de/writing/predator-budibase-to-nextjs/What Predator taught me about low-code tools once operational software grows beyond CRUD screens.Tue, 01 Jul 2025 00:00:00 GMThttps://valentindoering.de/writing/tiva-versioned-comment-anchors/https://valentindoering.de/writing/tiva-versioned-comment-anchors/How TiVA keeps comments and change proposals attached to text while documents are edited and versioned.Sun, 02 Feb 2025 00:00:00 GMThttps://valentindoering.de/writing/tiva-word-template-patching/https://valentindoering.de/writing/tiva-word-template-patching/Why TiVA inserts structured editor content into complex authority templates instead of generating new Word files from scratch.Sat, 02 Nov 2024 00:00:00 GMThttps://valentindoering.de/writing/adaptive-evolutionary-algorithm/https://valentindoering.de/writing/adaptive-evolutionary-algorithm/An adaptive evolutionary algorithm for creating a deep-learning architecture, demonstrated on human activity recognition.Wed, 31 Aug 2022 00:00:00 GMThttps://valentindoering.de/writing/evolutionary-neural-architecture-search/https://valentindoering.de/writing/evolutionary-neural-architecture-search/Evolutionary deep-learning architecture search for time-series classification: evolution decides which layers to use and how to combine them.Thu, 28 Jul 2022 00:00:00 GMThttps://valentindoering.de/writing/rechnungs-tools-google-sheets-addon/https://valentindoering.de/writing/rechnungs-tools-google-sheets-addon/How the first rechnungs.tools product used Google Sheets as the database, and what it cost in workarounds.Mon, 01 Jun 2020 00:00:00 GMT