AI
AI Speeds Up Code Creation But Slows Down Verification and Review
AI assistants compress the time to write working code, but the real bottleneck has shifted to evaluation, debugging, and managing the influx of new work.
The New Stack
An engineer reflecting on daily AI use finds the technology genuinely transformative—but not in the ways often promised by vendor demos. Rather than making software engineering "magically easy," AI has redistributed where time gets spent, trading creation friction for verification demands.
The Old Workflow: Context Hunting#
Before AI assistants became routine, engineering days typically involved fragmented context gathering: switching between Slack threads, digging through Jira tickets, reading scattered documentation, then branching into Stack Overflow, GitHub issues, and colleague conversations. The initial phase—before writing a single line of code—often consumed hours. This friction was especially acute when moving into unfamiliar domains like backend systems, databases, or infrastructure, where learning new frameworks and failure modes meant slower progress.
Where AI Delivers: Starting and Scaffolding#
AI-powered tools with integrated connections (like MCP-compatible systems) collapse much of that context-hunting time. Rather than manually jumping between eight tools, assistants can now synthesize relevant information—gathering a ticket's history, related decisions, similar code patterns, and applicable constraints—in minutes. This removes what felt like invisible overhead: the time spent understanding what already happened before the thinking could actually begin.
The shift extends to execution. Full-stack work, infrastructure changes, database migrations, and unfamiliar systems become less intimidating when an assistant can generate a working first draft to inspect and improve, rather than facing a blank page or a vocabulary problem. Testing also accelerates; mocking, edge-case suggestions, and debug workflows move faster, freeing mental energy for coverage decisions rather than mock-object syntax struggles.
The Hidden Cost: Review and Ownership#
The critical twist emerges after that first draft ships out. A generated solution may compile, pass tests, and look clean—yet still harbor hidden problems. It might make unstated assumptions, miss team constraints, introduce architecturally mismatched patterns, or solve a larger problem than required.
The engineer's job does not end with code appearance. Instead, verification becomes the new bottleneck: understanding why the assistant made certain choices, checking edge cases, confirming the solution fits the existing codebase, removing unnecessary changes, and ensuring the approach is actually the smallest reasonable one. Skipping this review does not save time; it defers work to future maintenance. The fastest code to generate is not always the fastest code to own.

