You vibe-coded the prototype. I'll make it production‑ready.
I'm Angelo, a senior full-stack engineer in Switzerland. I take apps built with Lovable, Bolt, v0, Replit, Cursor or Claude Code and make them secure, reliable and ready for paying users, usually without starting over.
AI tools are brilliant at what you can see. What breaks when real users and real money arrive is everything you can't: who can read the data, where the keys are, what happens when a payment fails.
Every fix breaks something else
The AI goes in circles. You prompt, it repairs one screen and quietly breaks two others, and you're no longer sure what the code does.
Anyone might be reading your data
If your database rules (like Supabase RLS) are missing or too loose, the public key inside your app is all it takes to read or change every row.
Your secret keys are in the browser
Keys for OpenAI, Stripe or your database end up in frontend code, where anyone can copy them and run up your bill.
Payments work, in test mode
Real money brings webhooks, failed cards, refunds, cancellations and tax. One missed case means a customer who paid and got nothing.
You'd hear about outages from users
No error monitoring, no backups, no way to undo a bad deploy. The first sign of trouble is an angry email.
Someone's about to look under the hood
A first developer hire, a big customer's security review, an investor's due diligence. Right now the code wouldn't survive it.
170 of 1,645
apps built with Lovable that a security researcher checked in 2025 let anyone read or change their database, using nothing but the app's public key.
of coding tasks in Veracode's 2025 test of more than 100 AI models produced code with a known security flaw. The models got better at writing code, not at securing it.
Already know what you need? Skip the audit and go straight to a sprint.
Proof
I've built and run what you're about to launch
A client platform run in production, payment code on a big consumer product, and my own app with real users, real subscriptions and app store reviews.
GenVistaMy own product · live since 2024
An AI app with real users and real subscriptions, on the web, iPhone and Android.
GenVista makes AI pictures, video and music in the browser, and GenVista Pictures does it on iPhone, iPad and Android. I design, build and run all of it: accounts, subscriptions on the web and in both app stores, GPU inference that keeps costs in check, and the releases that keep it all working. It's the road your MVP is about to take, from prototype to paying users.
A production platform for recycled materials on large construction sites.
For DMU-Consult in Munich I built the Ecoflows platform end to end and ran it in production for fourteen months: the web app in Next.js and TypeScript, backend services and integrations in Node.js, Java and Python, and the API and architecture around them. We met at The Pool, a one-week prototype contest hosted at Google Munich.
Payments on a travel platform people book their holidays through.
In HolidayCheck's Premium team I worked on the paid side of the product: vouchers, discounts, benefit eligibility and subscription payments, in React and Node.js on Google Cloud. Payment code either reconciles or it doesn't. I've written enough of it to be careful with yours.
React
Node.js
TypeScript
Google Cloud
Also
Needless UI
An open-source UI component library for Angular: native elements first, accessible colours checked against WCAG 2.2 AA, and 800+ tests run in three browsers.
Quoted exactly as they wrote it on LinkedIn, with their names attached so you can check.
I worked with Angelo Lamonaca on GenVista and can confidently say he's one of the most solid engineers I’ve collaborated with. He’s sharp, fast, and gets things done without overengineering which is exactly what you need when building something from scratch. Angelo has that rare ability to switch between backend, infrastructure, and product thinking effortlessly. He's just genuinely easy to work with. No ego, always available, and focused on moving the team forward.
Angelo is a very experienced developer. He is very passionate about his job. He answers very promptly to challenging situations. Very pleased to work with him.
Angelo is a very smart developer who regularly comes up with clever solutions for his tasks. He always wants to improve and is eager to learn the newest technology. In addition to that, he has a great sense for modern UX design which is reflected by his frontend work.
After launch: uptime and error monitoring, security and dependency updates, backups checked, and up to 4 hours of fixes or small changes every month. Cancel any time.
from €490CHF 490$540 / month
Prices for businesses, excluding VAT where it applies. Invoiced by a registered Swiss business in EUR, CHF or USD. Sprints and builds: 50% to start, 50% on delivery.
About
Hi, I'm Angelo.
I've been building production software since 2020: payment code at HolidayCheck, 3D medical imaging for a neuroinformatics team at Inselspital Bern, and a fourteen-month platform build for a construction-recycling company in Munich.
Since 2023 I've also run my own studio, Neuramare, where I build GenVista and a handful of other products. So I know the founder's side of the table: the launch date that won't move, the budget that has to stretch, the feature you're scared to touch in case it breaks.
I use AI coding tools every day. I'm not here to tell you vibe coding was a mistake: it got you a working demo faster than any agency could have. My job is everything that comes after the demo.
Based in Baar (Zug), Switzerland. Remote, on Central European Time.
Usually not. Most AI-built prototypes have a solid core: the screens, the flows, the idea. I keep what works and fix what's dangerous. When a rebuild really is cheaper, the audit shows you why, with numbers, and your prototype becomes the spec.
Which tools and stacks do you work with?
Code from Lovable, Bolt, v0, Replit, Cursor, Claude Code, Windsurf and similar tools: React, Next.js, Vite, TypeScript and Node.js, with Supabase, Firebase or Postgres behind it, Stripe for payments, and Vercel, Netlify, AWS or Google Cloud for hosting. For mobile apps, React Native with Expo. If your app needs something else, I'll tell you on the call whether I'm the right person.
Can I keep building with AI after you're done?
Yes, and you should. I leave the project set up for it: tests on the important flows, a pipeline that stops a broken change before it reaches users, preview deployments, and rules files that tell Cursor, Claude Code or Lovable how your app is built. You keep your speed without silently breaking login or payments.
Do you fix Supabase row-level security (RLS)?
Yes. It's the most common hole in AI-built apps. I go through every table, storage bucket and edge function, write policies that match who should see what, and test them as each kind of user, including someone who isn't logged in. A policy that exists but lets everyone through is still a hole, and a dashboard check won't tell you.
Can you fix my Lovable app's SEO?
Yes. Lovable apps render in the browser, so link previews, most AI crawlers and sometimes Google see little more than an empty page. I move the public pages to server rendering with Next.js, or prerender them, and add titles, descriptions, share images, a sitemap and structured data. The app behind the login stays as it is.
What happens on the free call?
Thirty minutes on video. You show me the app and tell me about your users, your launch date and your budget. I tell you the biggest risks I can see and roughly what fixing them costs. No slides, no sales pitch, and if I'm not the right fit, I'll say so.
Who owns the code?
You do, from the first commit. Everything lives in your GitHub and runs in your own accounts: Vercel, Supabase, Stripe and so on. No lock-in, no agency retainer, nothing you'd need my permission for later.
What if the work takes longer than planned?
The price is fixed for the agreed scope, so that's my risk, not yours. If you want to add something mid-project, I quote it separately before doing it, and you decide.
How does payment work?
The audit is paid upfront. Sprints and builds are 50% at the start and 50% on delivery. I invoice as a registered Swiss business, in EUR, CHF or USD.
How do you handle access to my app and data?
Through accounts you create for me and can revoke at any time, with the least access the job needs. I'm happy to sign your NDA first. I don't copy your users' data to my machine, and when the project ends, my access ends.
Where are you based, and when can you start?
In Baar, near Zurich, Switzerland, on Central European Time. I work remotely with founders in Europe and North America; my afternoons overlap with US mornings. I take on a few projects at a time, so I'll give you a real start date on the call.
Why not hire an agency, or the cheapest freelancer I can find?
You can. With me you get one senior engineer who has built and runs his own product, does the work himself and publishes his prices. No account managers, no juniors learning on your app, no estimate that doubles halfway through.
Show me what you built.
Book a free 30-minute call and bring your app link or repo. You'll leave knowing what it needs to be production-ready, what that costs and how long it takes. If I'm not the right person for it, I'll tell you.
