The New SDLC With Vibe Coding
26 Jun 2026
It is very well written, with almost no fluff.
If you want to get a very high-level foundation for understanding how AI is currently being used in engineering, it is worth reading.
If you want to get a very high-level foundation for understanding how AI is currently being used in engineering, it is worth reading.
Key insights:
- The engineer becomes an arbiter of quality. They help the agent by defining what system correctness means and setting the boundaries for verification.
- Vibe coding and agentic engineering are two parts of the same spectrum. Modern software development is drifting from one extreme to the other.
- The quality of generated code depends on the context provided, not on how clever the prompts are.
- 80% rule. Vibe coding is good for prototypes (getting the first 80%), but it scales poorly afterward (doing the rest of 20% of work) and becomes very expensive. Moreover, vibe coding along is a pathological generator of massive technical debt.
- Tests are becoming one of the ways to communicate with an AI system.
- Traditional tests are not enough. We also need to verify the agent’s intermediate reasoning while it is working.
- AI-based development is not only about the model. It is the model plus the surrounding harness.
- The engineer becomes a conductor or orchestrator of AI agents.
- The key skill in the coming years will not be the ability to write more code, but the ability to manage agents effectively.
- When adopting AI, we should not think only about “generating code faster.” We should think about the total cost of ownership. Because tokens can be burned very easily.
Oleksandr Romanov
Senior Software Engineer in Test
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14+ years in testing and engineering | Co-host at Testing Minutes podcast | Writing and podcasting about test engineering, performance, AI, blockchain, and distributed systems | Views are my own
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Rahul Parwal
After watching your ai chapter event recording, I came to read this again and it was a great revision for me.
Maybe we can link it to our recording?
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