Split a migration into parallel agent tasks

A developer used Devin to break a React Native-to-Swift migration into separate tracks and run them at the same time.

Done with Devin· Advanced· Jun 2026

What they did
Jared Zoneraich asked a main Devin agent to divide a React Native to Swift migration into six independent parts. The main agent created child Devins, gave each one a single piece, and then combined their results at the end. Each child worked in its own virtual machine with a tightly scoped context.
How it went
The migration was finished through parallel work from the child agents. No timing details, code counts, or specific problems were reported.
Tips
This works best when the chunks truly do not depend on one another. Keep the scope narrow for each child agent so it does not need the full project context.

Try it yourself with Devin

I’m migrating [repo] from [old framework] to [new framework]. Break the work into [number] separate pieces that can be handled independently, and assign each piece to a different child agent running in parallel. For each piece, make a small plan, implement it, run tests, and then pause before any merge or other irreversible action so I can review and approve. When all pieces are done, give me a short summary of how they connect.

Fill in the [brackets]. Agents can make mistakes, so review anything before it is sent, paid or deleted.

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