Jean Lee, an early engineer at WhatsApp, shared insights into the company's development strategy, highlighting how a small team of around 30 engineers supported hundreds of millions of users. The company prioritized simplicity, intentionally delaying features like video calling until they were highly polished, and maintained a focus on reliability with a visible outage counter. Lee suggested that efficiency and speed in development might be more closely tied to team trust and ownership than to the presence of AI tools, noting WhatsApp's success predated widespread AI adoption. AI
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RANK_REASON This is an opinion piece discussing engineering practices and the role of AI, featuring insights from a former WhatsApp engineer.