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Your First Billing System—Done Right
Created 3 months ago in Industries / SaaS

I work with SaaS founders who are launching (or fixing) their billing systems—often for the first time.
Whether you're validating your first pricing model or struggling with Stripe setup, I help you:
- Choose the right billing model for your product (subscriptions, usage-based, per-seat, etc.)
- Design a system that scales—from MVP to growth-stage
- Integrate with CRMs like HubSpot or Intercom to stay close to your customers
- Avoid common traps that create churn, support issues, or revenue leakage
- Turn billing into a strategic asset, not just backend plumbing
You don’t need a full-time engineer or a six-month roadmap—sometimes, you just need the right advice at the right time. Let’s simplify your path to getting paid.
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Tomas Zezula
Prague
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I help SaaS startups and product-led businesses build, fix, and scale their billing and subscription systems—especially with Stripe. With 20+ years of engineering experience and a specialty in billing architecture, I guide teams through critical monetization milestones. LinkedIn: https://www.linkedin.com/in/zezulatomas Web: https://tomaszezula.com Publications: https://medium.com/@TomasZezula
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