Block’s AI Overhaul Accelerates Software Development
Fintech company Block has been pursuing an AI-first strategy alongside workforce reductions and a redesign of internal workflows, aiming to sustain product development with smaller teams. The overhaul is significant because it moves generative AI beyond an optional coding aid and into the core of day-to-day engineering, offering a closely watched test of whether AI can deliver measurable productivity gains and lower operating costs across a large technology company.
Nearly six months into the initiative, Block is beginning to see results from the organizational shift. Chief Executive Officer Jack Dorsey said Buzz, the company’s internal AI agent collaboration platform, enables small teams to accelerate software development and move products forward more quickly. AI now participates in almost every production code change at Block, indicating that the technology has become deeply embedded in its engineering process and supporting the company’s case for broader operational efficiency.
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The history behind this eventJack Dorsey’s Block Says AI Tool Builderbot Handles 15% of Coding Work
Block, the fintech company co-founded by Jack Dorsey, operates across payments and digital finance. The company describes Builderbot as an AI-native development tool that allows AI to make changes directly to production code. Its adoption also adds context to Block’s earlier move to cut about 4,000 jobs as part of a shift toward using AI to improve operational efficiency.
As of July 2026, Block said Builderbot was handling about 15% of its production code changes and merging roughly 1,500 pull requests a week. The figures show that AI has moved beyond helping engineers write code and into actual development and deployment workflows, prompting renewed scrutiny of the connection between layoffs and investment in automation.
Block Cuts Nearly Half Its Workforce in AI-Native Shift, Shares Surge More Than 22% After Hours
Block is the parent company of Square, Cash App and Afterpay, spanning merchant payments, consumer payments and buy now, pay later services. Founder Jack Dorsey argues that AI has transformed software development and corporate operations, enabling smaller, flatter teams to increase output. The downsizing has become a major test of the technology sector’s push to use AI to boost efficiency.
On February 26, 2026, Block announced plans to cut more than 4,000 jobs, or over 40% of its workforce, reducing headcount from more than 10,000 to fewer than 6,000. Restructuring costs were estimated at $450 million to $500 million. Fourth-quarter gross profit rose 24% from a year earlier to $2.87 billion, while the results and transformation plan sent shares, traded under the ticker XYZ, surging more than 22% after hours.
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