Reality vs Hype: AI in Software Development | Vaughn Vernon | SAG 2025

Should you be polite to your AI? In this experience-driven conversation about the future of software engineering, Vaughn Vernon shares his honest and nuanced perspective on Domain-Driven Design, the evolution of programming – from C++ to modern tools. He offers a clear-eyed view on the real impact of AI and LLMs in software development. From early excitement to skepticism around hallucinations, to practical use cases that actually deliver value – Vaughn cuts through the hype and explains where AI truly helps, and where it still falls short. He explores the cost of AI, the importance of developer craftsmanship. Vaughn Vernon is a leading expert in Domain-Driven Design, software architecture, and distributed systems. With over 40 years in the industry, he is known for his influential books and his work helping teams design complex, high-quality software systems. Vaughn is especially recognized for making DDD practical and applicable in real-world architectures. 01:05 Rise & formalisation of Domain-Driven Design 04:42 How AI can accelerate development productivity 12:04 The real costs of AI 14:47 AI-Tools: potentials and trade-offs 18:37 Should you be polite to your AI? #softwarearchitecture #ddd #SoftwareArchitecture #AI #LLM #ChatGPT #DomainDrivenDesign #Programming #TechInterview #SoftwareEngineering #AIHype #VaughnVernon #Coding #Developer #SystemDesign #isaqb #sag2025 _______ Save the date for iSAQB Software Architecture Gathering 2026, from November 16 to 19, 2026 in Berlin: https://sag.isaqb.org Follow us on: LinkedIn:   / isaqb.org   Mastodon: https://mastodon.social/@isaqb Bluesky: https://isaqb.bsky.social Facebook: https://facebook.isaqb.org Instagram:   / isaqb.official   _______ Video Production ‪@Kameramensch-Filmproduktion‬ for iSAQB GmbH Executive Producer, DoP, Postproduction: Johannes Klemt Interviewer: Richard Wallintin (in Cooperation with ‪@WPS_DE‬) Sound Engineer, 2nd Camera OP: Vladimir Traut