AI in greenfield — everyone loves the cute new thing until the senior engineer crosses his arms

AI Coding Tools: The Greenfield Fantasy vs Brownfield Reality

This is Part 3 of the Velocity vs Value series. Previously: The Velocity Trap. Here’s a demo that writes itself: an engineer types a natural language description, and an AI agent generates a complete microservice in three minutes. Working tests. Clean structure. The audience applauds. Here’s what they don’t show you: that same AI agent, pointed at a five-year-old enterprise codebase with custom ORM patterns, undocumented business rules, and three layers of abstraction that made sense in 2021 — producing code that compiles, passes lint, and does the wrong thing in production. ...

April 2, 2026 · 6 min · Krzysztof Sajna
AI Magic - From Idea to Money

Stop Throwing AI at Your Software Process. Start Strategically Placing It.

Stop Throwing AI at Your Software Process. Start Strategically Placing It. A practical framework for integrating AI into brownfield software development The CEO’s Napkin vs. Reality I’ve sat in enough boardrooms to know the drill. Someone draws four boxes on a whiteboard: Idea → Design → Develop → Deploy Then the AI conversation starts, and those four boxes collapse into three: Idea → ☁️ AI Magic ☁️ → Money I get it. AI is exciting. The demos are impressive. But if you’ve ever managed a real software team — especially one maintaining systems that have been running for years — you know that napkin sketch is missing about 98% of what actually happens. ...

March 16, 2026 · 14 min · Krzysztof Sajna