Field notes from Konstantinos Tsolakidis, founder of WeAreFabbrik: architecture decisions, AI in production, EU CRA compliance, and what it actually takes to turn a funded idea into a production-grade product. No fluff. No content-marketing filler.
AI-native services sell the finished outcome, not software. How to tell whether your idea is a tool or a service, and the mirage-PMF trap to avoid.
Read articleA technical deep dive into Callen AI's voice pipeline, how Twilio, streaming speech-to-text, GPT-4, and ElevenLabs are choreographed into an AI receptionist that answers real calls and books real appointments.
Read articleA decision guide for Greek businesses weighing no-code chatbot platforms against custom AI agent development, ownership, Greek-language quality, ERP integration, and the real five-year cost of each path.
Read articleMissed and after-hours calls are a hidden revenue leak for clinics. Here's the honest math on what an AI receptionist recovers, and what it doesn't do.
Read articleA founder's decision guide for the Lovable/Replit/Bolt/v0 moment: three questions that decide whether to build on your vibecoded MVP, harden it, or rebuild the core.
Read articleReporting obligations under the EU Cyber Resilience Act go live 11 September 2026. Penalties up to €15M or 2.5% of global turnover. A practical, engineering-led guide to what compliance actually requires, SBOM, 24-hour reporting of actively exploited vulnerabilities, and what 'ready' looks like.
Read articleAI doesn't fix architectural debt, it multiplies it. The three failure modes we see weekly in production AI systems, what AI-ready architecture actually looks like, and how to add AI to an existing product without breaking it.
Read articleThe five architectural decisions every funded startup gets wrong, wrong tech stack, premature scaling, AI on broken foundations, AI-generated code without judgment, and skipping the audit. And what each one costs.
Read articleMost dev agencies sell hours. A Fractional CTO sells outcomes. The structural difference between the two engagement models, when each is the right call, and why funded startups almost always need the second.
Read articleHow a senior engineering team takes a funded startup idea to a production-grade product in 5 disciplined steps, without cutting corners or building features no one uses.
Read article30-minute call. No pitch deck. We'll tell you whether your architecture is ready for what you're building next, or what to fix first.
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