The Pragmatic Engineer

The Pragmatic Engineer

The Pulse

The Pulse #149: New trend: programming by kicking off parallel AI agents

Also: the ACP protocol, AI security tooling, comparing interview experiences across 8 tech companies, and more

Gergely Orosz's avatar
Gergely Orosz
Oct 09, 2025
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The Pulse is a series covering events, insights, and trends within Big Tech and startups. Notice an interesting event or trend? Hit reply and share it with me.

Today, we cover:

  1. New trend: programming by kicking off parallel AI agents. More devs are experimenting with kicking off coding agents in parallel

  2. ACP protocol. A new protocol built by the Zed team, which tries to make it easier to build AI tooling for IDEs than the MCP protocol allows

  3. AI security tooling works surprisingly well? AI-powered security tools seem good at identifying security flaws in mature open source projects

  4. Is AI the only engine of US economic growth? Forty percent of US GDP this year is based on AI-related spend, while 60% of venture capital goes into AI. Hopefully, it won’t end up as a bubble which bursts like in 2001

  5. Comparing interviews at 8 large tech companies. Puneet Patwari applied to 8 major tech companies, and received 6 offers. He compares his interview experiences at Meta, Amazon, Uber, and 5 other workplaces

1. New trend: programming by kicking off parallel AI agents

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