When Developers Stop Writing Code and Start Reviewing AI Agents

Fazm Team··3 min read

When Developers Stop Writing Code and Start Reviewing AI Agents

Went from writing code to mass-reviewing code from 5 Claude agents running in parallel. Haven't typed a function in weeks. The entire job has shifted from production to quality control.

The New Developer Loop

The daily workflow now looks like this:

  1. Write specs - describe what needs to be built in a CLAUDE.md or task description
  2. Launch agents - spin up 5 parallel Claude Code instances, each working on a different feature or file
  3. Review output - read diffs, check logic, test edge cases, approve or reject changes
  4. Iterate - send rejected work back with feedback, approve the rest
  5. Integrate - merge the approved changes, resolve any conflicts between agents

The bottleneck has moved from "how fast can I type code" to "how fast can I review code."

What You Need to Be Good At Now

The skills that matter in this workflow are different from traditional coding:

  • Architecture thinking - you need to decompose problems into parallelizable chunks that agents can work on independently
  • Specification writing - vague specs produce vague code, so being precise about requirements matters more than ever
  • Pattern recognition - spotting AI-typical mistakes quickly across large volumes of output
  • System-level understanding - knowing how separately-built pieces will interact when combined

The Uncomfortable Part

Writing code was satisfying. There was craft in it. Reviewing AI-generated code five streams at a time feels more like a factory supervisor than an artisan. The output is higher, but the experience is different.

Some developers love this shift because they always preferred designing systems over implementing them. Others feel like they lost the part of the job they enjoyed most.

The Productivity Math

Five agents producing code in parallel, with one human reviewing, genuinely outputs more working software per day than one developer writing everything by hand. The quality per line might be slightly lower, but the volume increase more than compensates when you have good review processes.

The developers who learn to review at scale will be dramatically more productive than those who insist on writing everything themselves.

Fazm is an open source macOS AI agent. Open source on GitHub.

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