Clemens Rustemeier

Developer

Paderborn, Germany

About

Hi, I am Clemens, an expert in full stack web app development and deployment. I have built a lot of web apps with different tech stack - with and without the help of vibe coding. I know what errors occur when using ai coders and I know how to fix them. I can help you if you are stuck or if you need a validation from an experienced developer regarding safety and performance.

Services

Stripe Integration/Fix/Review

I am a software developer with extensive experience building modern web applications and implementing payment systems. I know the common mistakes no-code tools or AI agents often make when setting up payments, and I can help you avoid them. I’ve worked with Stripe in many different scenarios: • One-time payments for online shops • Subscription models with recurring billing • Handling cancellations and other advanced workflows Whether you need a new integration, a fix for existing issues, or just a professional review of your setup, I ensure that your Stripe integration is secure, reliable, and tailored to your app’s needs.

$1200005 days delivery

Lovable App Review / Fix / Support

Get your Lovable app reviewed, debugged, or fixed when you’re stuck and need expert help. I’m an experienced software developer who has built many web apps and knows the common pitfalls of AI-generated code. I can review your Lovable app for quality, fix bugs, and guide you through tricky issues so your project keeps moving forward. Whether it’s a small error or a full workflow problem, I’ll make sure your Lovable app works as expected.

$1500005 days delivery

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