BlockFlow — AI-powered software for UK block managers. BlockFlow is management software I designed and built end-to-end for UK residential block managers. Beyond the core admin (service charges, arrears, contractor invoices), it adds automation the incumbents don't have: it chases contractors for quotes and escalates by SMS after 48h, and an AI voice agent answers out-of-hours emergency calls — deciding whether it's a real emergency, raising the ticket and alerting the on-call contractor automatically. Built solo: Next.js, Supabase (multi-tenant with row-level security), Claude for triage, and a Vapi voice agent. Live in production.

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Volea — Booking & Club Management SaaS for Padel Clubs

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AI Automation Agency — Landing Page Design (StackD) UI/UX Design, Landing Page, Figma Designed a conversion-focused landing page for StackD, an AI automation agency serving property managers and building administrators. The brief: translate a technical service (AI-driven workflow automation — supplier emails, issue follow-ups, booking management, insurance claims, resident communications) into a page that speaks to time saved and control gained, not features. What I designed: A clear, editorial hero with a serif/sans pairing for contrast — "Your management, automated" — paired with a quantified value prop (40h saved/month, 0 forgotten emails) instead of generic claims A "before/after" section mapping manual tasks directly to their automated equivalent, so the visitor immediately sees their own workflow reflected A soft, high-contrast palette (black, white, lime accent) to keep the page feeling premium and calm rather than "salesy" A modular services grid ("What we build for you") designed for easy expansion as the agency's service list grows Tools: Figma (full UI design, component structure, layout system) My role: sole designer — wireframes, visual design, component system, and final high-fidelity mockup.

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StackD — the website for my own dev & automation agency StackD builds the software businesses actually need: custom websites, native apps, SaaS platforms, and turning manual processes into automated flows. I designed and built its website end-to-end. The goal Position StackD as the lean, transparent alternative to traditional agencies — "real products in the hands of real users, not mockups." Fast demos, a fixed 3-person team, no hidden costs. The site had to feel modern, technical and trustworthy in seconds. What I built A fast, responsive marketing site with clear sections: Services, Process (4 steps), Projects, Team and FAQ Terminal-style touches ($ whoami) to give it a developer personality A portfolio section featuring real shipped products (SMASH, NOOK, Volea.io (http://Volea.io), Getflow) Copy and structure optimized to convert visitors into "no-commitment" discovery calls How I built it Next.js + HTML/CSS for a fast, SEO-friendly front end Deployed on Vercel (CI/CD, edge, instant previews) Built AI-assisted with Claude Code — pairing with an AI coding agent to design, iterate and ship faster than a solo dev normally could The takeaway This is how StackD works, proven on itself: idea → live product in days, not months. The agency site isn't a brochure — it's a demo of the exact speed and quality we deliver to clients.

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Arnau López selles

Product Designer & Dev — Figma to shipped SaaS & apps.