Jack Dorsey: AI raises productivity of Block engineers
Article excerpt
The experience of the company Block, the owner of Square and Cash App, shows a rapid shift in the way software products are developed, with the company adopting AI tools within engineering teams. Jack Dorsey, CEO and co-founder of Block, said that the number of code changes produced by each engineer rose by about 150% since the beginning of 2026, at a time when the company saw a clear acceleration in launching new products and features. Dorsey's remarks came in a post on platform X, in which he pointed out that the unit Square Launched 130 features in the first half of 2026, a level more than three times what it launched during the same period in 2025. These figures come a few months after a radical shift in Block's strategy, during which the company focused on using AI tools to boost its teams' productivity, along with a significant reduction in the number of employees. Block began reshaping how the company works months ago, after Dorsey announced in February 2026 that it would cut staff from more than 10,000 to fewer than 6,000, shrinking the workforce by about 40%, with greater reliance on AI tools and smaller teams. Dorsey had explained in a letter to employees and shareholders that AI tools are changing how the company is built and run, as Block moves to a model of flatter teams and fewer employees who can produce more work. The results the company later announced...
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Among the most notable of these tools Builderbot It is an internal system capable of searching, planning, writing code, opening merge requests, tracking integration tests, and making additional modifications when needed.
