I will review your Replit/Lovable logs and tell you exactly why it failed. (No Fix, just Report) | I Turn Ideas into Scalable Profitable SaaS
fix, optimize, and explain your lovable, replit, windsurf or ai app
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Value Position
Entry Point
Tech Coverage
Premium Scope
Post-Delivery Support
Full Description
Your AI app works until it doesn't
You shipped fast using tools such as Lovable, Cursor, or Replit. It felt smooth at first but now you're hitting bugs, ballooning API bills, and unexplained behaviour. Suddenly you're stuck debugging AI-generated code at 2 a.m., and the forums aren't helping
Zinn Digital ™ is a senior full-stack developer and former CTO based in London, England. We've built production AI tools from scratch, scaled MVPs to real users, and integrated with everything from Gmail and Stripe to OpenAI and Supabase.
We don't just fix problems—we explain what broke, why it happened, and how to prevent it next time. Think of us as your technical co-founder, not a code monkey.
Here's what we can do for you: fix bugs in Cursor or Lovable apps, clean up AI-generated messes, reduce token usage, improve prompt reliability, and build scalable features. We also handle integrations—Google Calendar, Airtable, custom CRMs—and deploy to Replit, Vercel, or your stack. Whatever's breaking, we'll get it working and make sure it stays that way.
Every order includes clean code, a comprehensive walkthrough (Loom or written), and up to five days of post-delivery support.
Message Zinn Digital ™ to get your AI app back on track fast.
This Zinn Will Include (The Diagnostic Audit)
I will review your Replit/Lovable logs and tell you exactly why it failed. (No Fix, just Report)
Delivery: 1 day
Revisions: None
Includes:
• Number of Screens / Features: 1
• Number of APIs integrated: 1
Upgrade Options
Choose an upgrade addon to get more features:
| Feature | Basic | Boost Upgrade | Premium Upgrade |
|---|---|---|---|
| Delivery | 1 day | 3 days | 30 days |
| Revisions | None | None | None |
| Number of Screens / Features | 1 | 3 | ✗ |
| Number of APIs integrated | 1 | 2 | ✗ |
| Database configuration | ✗ | ✗ | ✓ |
| Authentication setup | ✗ | ✗ | ✓ |
| Analytics setup | ✗ | ✗ | ✓ |
| Payment integration | ✗ | ✗ | ✓ |
| Deployment & hosting configuration | ✗ | ✗ | ✓ |
| Admin dashboard screens | ✗ | ✗ | ✓ |
| Security and compliance audit | ✗ | ✗ | ✓ |
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Extra Information
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Frequently Asked Questions
If you are unsure, start with the Basic ($75 Audit). I will investigate your error logs, inspect the deployment failures, and give you a quick report explaining what is broken. If it's a quick fix, I might even solve it right there. If it's complex, you can upgrade to the higher packages later
Yes, this is the #1 AI issue! AI often forgets that or uses "local-only" database settings. My Standard Package specifically fixes these build failures so your app actually runs in production
AI often calls API endpoints that don't exist. I don't just prompt it again; I manually rewrite the logic using the official documentation (Stripe, Supabase, OpenAI) to ensure payments and data actually work
Yes! While Replit is great for starting, Cursor is for pro development. I am an expert in debugging the complex Next.js / TypeScript stacks that Cursor generates
Never. For Replit/Lovable, send a "Collaborator Invite." For GitHub/Vercel, add my username. Your credentials stay 100% safe
You need the Premium (Project Rescue). I will refactor the spaghetti code, clean up the file structure, and stabilize the app so you can scale it without constant bugs
Customer Reviews
See what our customers say about this Zinn
Yuriy is an expert in his field. He is competent, punctual and will deliver exactly what you asked for. I’m a timely fashion.
Enjoyed working with Yuri. He did a great job.
very good communicator and willing to adapt on the fly. Project turned out great.
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