AI Expert: Most Software Engineers Aren't Ready for What's Coming

The role of the software engineer is shifting from execution to orchestration, and it's happening faster than most of us realize. Dennis Vink, Principal Consultant at Xebia, breaks down how he approaches code modernization with AI, why fundamentals and system design matter more now than ever, and what the engineering role is actually becoming.In this episode, we cover:Why you need to mature your old codebase before you can migrate away from itHow to prove feature parity between legacy and modern systemsWhy vibe coding without architecture knowledge gives you zero controlThe shift from execution-focused engineering to orchestrationWhy Dennis worries about the next generation of engineersWhether you're sitting on legacy code at work or wondering how your role as an engineer is evolving, this conversation will make you think about where you need to invest your time next.Timestamps:00:00:00 - Intro00:00:51 - Dennis's Early AI Engineering Assignments00:02:23 - Side Projects: Reviving a 20-Year-Old Game in Rust00:04:36 - Why Vibe Coding Without Fundamentals Fails00:05:15 - The Fundamentals You Need for Code Migration00:06:45 - Proving Feature Parity with Automated Testing00:08:12 - Writing Tests First as Risk Mitigation00:10:13 - How Much Should You Care About Code Structure?00:11:18 - Migrating in Small Pieces of Value00:12:26 - Will Engineers Still Find Fulfillment in Building?00:14:01 - How to Actually Start Side Projects (ADHD Brain)00:15:34 - Why Pivoting Is No Longer Painful00:16:12 - Prompting as the New Bottleneck00:17:23 - Parallelizing Work Across Projects00:19:08 - Why System Design Is the #1 Audience Demand00:20:19 - AI as a Differentiator for Strong Architects00:21:11 - Why the New Generation Should Worry00:23:01 - Are Bootcamps Still Worth It?00:25:15 - The Shift from Collaboration to Business Understanding00:27:56 - Infrastructure as a Core Competency Bet00:30:15 - Deterministic vs Non-Deterministic Code Generation00:32:16 - Can This Approach Scale to Million-Line Codebases?00:34:20 - Why a Finger-Snap Migration Would Scare You00:37:01 - Where to Start with Your Own Legacy Codebase00:38:43 - Which Languages Do AI Models Struggle With?00:40:24 - Building Around Hallucination with Scaffolding00:42:30 - Spec-Driven Development as the Future Way of Working00:43:30 - Turning a Non-Technical Colleague into a "Developer" in an Hour00:46:21 - When the House Is on Fire, That's When You Need Real EngineersProjects we discussed:Agent designer - hurozo.com Game project - Zorlore.com (https://github.com/zorlore/)Vibe coded solar system simulation - spacehaste.com #SoftwareEngineering #SystemDesign #AIEngineering