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I just published a short breakdown of a system I built to automate reconciliation across Stripe, PayPal, Square, and ACH.
If you’ve ever dealt with:
• mismatched payouts
• fees/refunds breaking totals
• month-end “detective work”
• unreliable cash visibility
—you’ll recognize the pain.
This system pulls transactions daily, normalizes everything into one ledger, matches intelligently, flags exceptions, and prepares clean accounting output (QuickBooks-ready).
I shared the architecture, workflows, and real outcomes in this Case Study 👇
If you’re reconciling across multiple processors, this might save you a lot of time (and headaches).
Check it out
The network for creativity
Join 1.25M professional creatives like you
Connect with clients, get discovered, and run your business 100% commission-free
Creatives on Contra have earned over $150M and we are just getting started
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Hello Contra Community!
I’m submitting my project for the second stage of the challenge. I participated in the first phase with this same application, and since then I’ve significantly improved it.
The app now has Stripe fully implemented 🙌 and properly configured for production use. I’ve also fixed the reported bugs, improved overall stability, and refined the user experience.
The project is now production-ready, with payments working end-to-end and core flows properly validated. I’m excited to move forward to the next stage and continue evolving the product.
In addition, I’ve configured the app as a Progressive Web App (PWA), allowing users to install it directly on their mobile devices for a more native-like experience.
https://finnaces.pro/
Nice!
I just added up my Lovable spend.
$5,600+ invested in learning how to build AI-powered systems properly.
That investment has translated into real client work:
• Production websites
• Integrated backend systems
• Stripe subscriptions & checkouts
• AI video, voice & transcription workflows
• A live iOS app in the App Store
Most AI projects don’t fail because of the AI.
They fail because the architecture underneath it isn’t solid.
I specialize in building integrated platforms — not experiments.
If that’s what you need, let’s talk.
This is the kind of post I love seeing.
So many people talk about AI like it’s magic, but the real work is the structure underneath. Tools don’t fail, weak foundations do.
Respect for putting real money and time into learning it properly and turning it into actual client work, not just experiments. Well-done, Mathias.
Hey finally got my voice back:/ haha
Excited to submit Tattoo Booking Shop for the #ProfitWithBubble challenge @bubble
Tattoo Booking Shop is a production-ready booking platform built on Bubble that helps tattoo artists accept appointments and collect payments.
What it does
• Artists create flash or custom appointment slots
• Clients book online and pay a secure deposit at checkout
• Payments processed through Stripe with 3DS-ready payment flow
Revenue Model
Tattoo Booking Shop generates revenue through:
• Monthly SaaS subscriptions
• Transaction fees on deposits processed through the platform
The app is live and accepting real bookings and payments. Built entirely with Bubble — from user authentication to secure payment workflows and production-ready deployment
Tattoobs.com/bubble_contra
Tattoobs.com/x/jmwtattoos
Tattoobs.com
Love to see the progression here John!
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