
Matthew O
Full Stack Developer Lovable, Replit, Vercel and Supabase Web to Mobile Apps
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Portfolio
Werkervaring
Freelance Web Designer
Freelance • 3 yrs 4 mos
Full-Stack Developer
Dec 2024 - Present • 1 yr 8 mos
Ongoing contract developer for a US insurance technology company, building and maintaining a suite of production platforms. Delivered a complete referral management system with agent-to-agent messaging and automated email notifications, rebuilt the routing and assessment flow for a health coverage navigator, and led the rebrand of a carrier contracting hub spanning 154 carrier pages, refactoring the full URL architecture without breaking a single indexed link. Day-to-day work covers Next.js, Supabase backend architecture, row-level security, API integrations, and the unglamorous production fixes that keep live platforms earning: silent status bugs, dead routes, broken data flows. Skills: React, Next.js, Supabase, PostgreSQL, API Integration
Full-Stack Developer
Dec 2024 - Present • 1 yr 8 mos
Independent full-stack developer building complete web products for international clients across the US, UK, and Europe. Shipped LeadsMind, a full CRM SaaS with finance, HR, KYC, and Meta OAuth integrations. Built a luxury progressive web app for a UK drinks distributor's sales team. Delivered a full Supabase security audit and remediation for a US operations company, taking their backend from exposed to locked down across 8 documented findings. Specialized in rescuing AI-built apps: taking Lovable, Replit, and Bolt prototypes to production with real backends, proper security, and clean deployments on Vercel. Also handle web-to-mobile conversion with Capacitor and HIPAA-conscious builds for healthcare clients. Skills: Supabase, React, Full Stack Development, Mobile App Development, AWS