s
santi00

Santiago A

@santi00

Full Stack Web Developer and AI Integration Specialist

Spain
Spanish, English
About me
I build and ship web products that work — fast. As a full-stack developer and solo founder, I've launched multiple SaaS products end-to-end with Next.js, Supabase, Stripe and AI integrations — all in production. What I can do for you: - Integrate AI (ChatGPT / Claude) into your site or app - Build fast websites & landing pages (Next.js, React) - Set up payments, auth & databases (Stripe + Supabase) - Automate workflows My Mathematical Engineering background means clean logic and reliable software, delivered on time.... Read more

Skills

s
santi00
Santiago A
Offline • 
Average response time: 1 hour

See my services

AI Websites & Software
I will integrate chatgpt or claude ai into your website or app
From$75 / projectMore details

Portfolio

Work experience

Self_Employed

Founder & Full-Stack Developer

Self Employed • Freelance

Dec 2024 - Present • 1 yr 6 mos

Built and launched production SaaS products end-to-end as a solo founder. Full-stack development with Next.js 14 (App Router), TypeScript, Tailwind CSS, Supabase (Postgres + Auth) and Stripe for payments. Key work: - Designed and shipped complete web applications: authentication, payment flows, database architecture, transactional emails (Resend) and admin dashboards. - Integrated AI features into web products and automated workflows. - Built and maintained SEO-optimized blogs and landing pages, deployed on Vercel. - Handled the full product lifecycle: development, deployment, analytics (PostHog) and iteration. Tools: Next.js, TypeScript, React, Tailwind, Supabase, Stripe, Vercel, Claude Code, Cursor.