Legacy fintech stack cuts release cycle from 7.5 weeks to 1 week after a year with AI
prasanna_says · x · 2026-11-12
Real numbers from a fast.ai-adjacent customer after nearly a year: a 30-year-old legacy fintech stack handling ESOPs and public equity trades for Fortune 500 clients saw production release intervals drop from 7.5 weeks to 1 week, and new-customer data onboarding shrink from 44–131 days to 6 days — evidence AI-assisted development delivers on old, compliance-heavy enterprise systems, not just greenfield projects.
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