No BS, Just TaxTech

No BS, Just TaxTech

About the Substack

TaxTech insights from a Senior PM at Uber — no consultants, no vendors, no filler. Weekly practitioner takes on architecture, e-invoicing, agentic AI, and the real cost of getting compliance wrong at scale.

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• Occasional public posts

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Paid Subscription Plans

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About Diyan (Diddo) Mihaylov

Tax Product Lead at Uber | FinTech | Indirect Tax | E-Invoicing | VAT & GST | Tax LLMs | Tax Data Platforms | APIs | Integrations | Scaled products to $100M+ impact | Co-Founder of ProductTank Sofia