s
samuu_dev

Samuel

@samuu_dev

FullStack Developer

Espagne
Espagnol, Anglais
Certaines informations sont présentées en anglais.
À propos de moi
Full-stack developer building web apps and SaaS with Next.js, React, and Node.js. I designed and shipped Firmado (firmadoya.es), a production SaaS with Stripe payments, automated PDF generation, and transactional email — built end to end. I've also built a multi-tenant CRM with 30+ REST endpoints and VoIP/WhatsApp integrations. What I do: • Full-stack development (Next.js, React, TypeScript, Node.js) • Stripe integration and secure checkout flows • REST APIs, SQL databases, third-party integrations Fluent in English and Spanish — let's talk about what you're building!... Plus d’infos

Compétences

s
samuu_dev
Samuel
hors ligne • 

Voir mes services

API & Intégrations
I will integrate stripe payments into your nextjs or react app
De60 $US / projetPlus de détails
API & Intégrations
I will build PDF generation into your web app invoices contracts
De70 $US / projetPlus de détails

Portfolio

Expérience professionnelle

Freelancing_Career

Full-Stack Developer | Universal Telecom

Freelancing Career • Freelance

Feb 2026 - Jun 2026 • 4 mos

Built a multi-tenant CRM from the ground up with 30+ REST API endpoints, including VoIP and WhatsApp integrations. Worked across the full stack — backend architecture, database design, and frontend — delivering a production system used to manage real client operations.