Vertical SaaS that gives a salon, barbershop or solo beauty specialist their own booking website in minutes.
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Iurii Uses: #Billing
1 project · 3 articles
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· 6 min
Race condition testing with real PostgreSQL: readiness gates, observed lock waits, provider stubs, and the false confidence a timed assertion can give.
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Libraries
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Services
· 17 min
Subscription billing edge cases Stripe glosses over: proration, dunning, the state machine, cancellation timing, refunds, VAT, and webhook ordering.
· 21 min
Stripe to Mollie migration in production: mandates instead of Subscriptions, thin webhooks, no proration, no portal, no Tax. What you rebuild yourself.
Libraries
Databases
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