Wix Engineering shares how they've embedded AI agents across their entire software development lifecycle at scale, managing 2,500+ microservices and thousands of engineers. They describe a three-tier spectrum of AI tooling (Cloud Agents, Coding Agents/Harness, Agent with Computer) and explain how they've built infrastructure around five SDLC stages: Triggers, Code, Review, Build/CI, and Monitor. Key innovations include Agent Ready Repositories with AGENTS.md standards, automated PR review with 'deslopping' to remove AI-generated bloat, 'Fix My Build' for CI failure triage, and MCP-connected monitoring tools. They also introduce the 'xEngineer' concept — an AI-native engineer who owns features end-to-end — and outline a three-stage adoption journey from co-pilot to full automation.
