Arnau López — Product Builder | Full-Stack Developer | AI & Mobile Apps (Flutter)
I architect digital products from concept to code. Specialized in AI-driven SaaS, high-performance Mobile Apps, and brand identity with a business-first mindset. Building for the world.
The Problem: Agencies waste days chasing clients for contracts, briefs, assets, and ad account access before a project can start.
The Solution: A SaaS platform that sends one unique onboarding link per client — covering contract signing, project brief, asset uploads, and ad account connection in a single flow.
Impact: Reduces client onboarding from days of back-and-forth to a single link. Built and deployed in 48 hours with auth, file storage, email notifications, and Stripe subscriptions.
The Problem: Founders with validated ideas can’t find a technical partner who handles design, development, and deployment without agencies, handoffs, or delays.
The Solution: A product studio that takes projects from Figma to live product in 4 weeks — full-stack development, mobile apps, and AI integrations under one roof.
Impact: Built and launched 4 products in 12 months solo — Gateflow, SMASH, Louvr Performance, and Nook. Stackd packages that execution speed as a service for founders.
The Problem: Brands running Meta Ads have plenty of data but no clarity on what to do with it. Every Monday they open Ads Manager without a plan — guessing what to scale, what to pause, and what to refresh.
The Solution: A SaaS that connects to Meta’s Ads API, ranks every active creative by real performance data, and delivers a weekly AI-generated report with three specific actions — automatically every Monday at 9am.
Impact: Built and shipped solo in under two weeks — full backend, frontend, auth, billing, and automation. Live at louvrlabs.com with first accounts onboarding.
Keywords: Python, Flask, Meta Ads API, Claude AI (Anthropic), Stripe, Supabase, Make.com, SaaS, API Integration.
The Problem: Padel players have no dedicated space to share match highlights, find players at their level, or organise games. Content is scattered across WhatsApp groups and generic social platforms with no community context.
The Solution: A short-video app built specifically for padel — upload match clips, discover players, create and join squads, chat with teammates, and unlock advanced analytics with a Pro subscription.
Scope: Full-cycle — UX/UI design in Figma, Flutter development, Firebase backend, RevenueCat subscriptions, and App Store submission.
Stack: Flutter, Firebase, RevenueCat, Figma, Codemagic, Apple Developer Program.
The Problem: Padel players have no dedicated space to share match highlights, find players at their level, or organise games. Content is scattered across WhatsApp groups and generic social platforms with no community context.
The Solution: A short-video app built specifically for padel — upload match clips, discover players, create and join squads, chat with teammates, and unlock advanced analytics with a Pro subscription.
Scope: Full-cycle — UX/UI design in Figma, Flutter development, Firebase backend, RevenueCat subscriptions, and App Store submission.
Stack: Flutter, Firebase, RevenueCat, Figma, Codemagic, Apple Developer Program.
E-commerce & Branding
NeoEssentials
Skincare Branding & Shopify Ecosystem
Web: Full Shopify architecture and conversion optimization.
Product Design: Created the physical identity, including labeling and packaging for the skincare line.
Expansion: Scaling the brand presence via NeoEssentials Studio on Etsy.
VALO & Artistic Ventures
Creative Projects & Social Media
VALO Gallery: Art curation and spatial design.
Human Made Art & Gelato Connection: Active social media content strategy, delivery logistics, and community management. Demonstrates my ability to maintain brand consistency and operational excellence in the long term.
I am a creator who lives at the intersection of Design, Code, and Business. My experience ranges from handling logistics at Deutsche Post in Germany to building AI-driven software. I don’t just build features; I build solutions that solve real-world friction.”
Let’s Build Something Great
Automated Workflows & Micro-SaaS
I build lightweight web applications, AI-powered tools, and API integrations that eliminate manual work. Whether it’s connecting Meta Ads data to automated reports or building custom AI grading tools, I turn complex workflows into simple, scalable software.
iOS & Android Apps (Flutter & Firebase)
From the first Figma wireframe to the final App Store launch. I design and develop cross-platform mobile apps with clean architectures, real-time database integrations, and optimized in-app subscription flows (RevenueCat).
Figma to Code — Built for Results
I don’t just design pretty interfaces; I design for conversions. I craft premium dashboards, landing pages, and digital storefronts that guide users toward action. My background in physical packaging design ensures your brand looks cohesive both on-screen and in hand.
Shopify, Marketplaces & Performance Marketing
Technical setup is nothing without a growth engine. I combine advanced Shopify customization, Etsy SEO/print-on-demand operations, and high-ROAS Meta Ads campaigns to scale brands across European and US markets.
Builder first. Freelancer second.
I’m Arnau, a 22-year-old product builder from Spain. I started building e-commerce businesses at 19 while working full-time in logistics at Deutsche Post in Germany.
Every service I offer—from AI automation and mobile apps to premium Shopify ecosystems—is something I’ve battle-tested on my own brands first. Live products like SMASH and Louvr Labs are my proof of work: fully operational, self-funded, and built entirely by me.
I build with a quiet luxury, minimalist aesthetic that runs through every pixel. I don’t just ship deliverables; I drive results.
Languages
Spanish (Native) · Catalan (Native) · English (C1) · German (A2)
