How to turn vibecoding into web systems that survive deploy, load and years of maintenance. Written from real experience: my own live products and enterprise architecture at Deutsche Telekom.
I'm Dmitry Tarantin. For 15+ years I've built the web — from CRMs and online stores to SaaS I run in production myself. By day, Lead Software Engineer at Deutsche Telekom: systems architecture, agentic AI, IAM. The rest of the time, solo founder and hands-on architect. MSc in IT, PhD candidate in AI.
A print-on-demand platform that lets German clubs create and run their own merchandise shops.
A digital HOA portal for property managers: resolutions, issue reports, cost context and hybrid delivery.
Renovation and apartment services in Düsseldorf with a focused digital inquiry flow.
Lead Software Engineer: systems architecture, agentic AI and IAM. Founder of the Telekom PHP Community, Learn-from-Experts speaker.
"Works on my machine" and "works in prod" are different universes. Where generated code usually falls apart.
Indexes, constraints, transactions and migrations — the minimal data contract for SaaS.
What enterprise-scale systems teach us about identity, access and autonomous agents.