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Malt Strategy
Marcos Penelas CámaraMP

Marcos Penelas Cámara

Full Stack Developer · Next.js · TypeScript

€280/day
Madrid, ES
3-7 years
Next.js
Typescript
Supabase
Stripe
AI SDK

Average response time: 1 hour

About Marcos

I build web products that work — fast, clean, and ready to scale.

My stack revolves around Next.js, TypeScript and Supabase, and I've been
using it to ship real products: right now I'm part of the team behind a
legal tech startup, where I handle everything from the database to the UI.
Before that, I spent a year freelancing and delivering full projects on
my own, which taught me how to move fast without cutting corners.

On the side, I maintain an open-source e-commerce template built with
Next.js, Supabase and Stripe that's collected 200+ GitHub stars, not
because I promoted it, but because people found it useful.

What I can help you with:

— SaaS products and MVPs from scratch
— AI-powered features and apps using Vercel AI SDK
(OpenAI, Anthropic, chatbots, copilots, custom integrations)
— E-commerce with Next.js, Stripe and Supabase
— Admin dashboards and internal tools
— Performance optimization for existing Next.js apps

I write about what I build too, my Next.js articles have reached
10,000+ reads on Medium.

Available in English and Spanish. Remote only.
Software Publishing
E-commerce
Electrical industry
Aerospace
Telecommunications

  • English

    Fluent

  • Spanish

    Native or bilingual

Remote only
Primarily works remotely

Experience

  • Togga
    FullStack developer
    LEGAL
    May 2024 - Today (2 years and 2 months)
    San Sebastian, PV, Spain
    Building a SaaS product from the ground up to optimize legal practice
    workflows. I own the full development cycle, from architecture decisions
    to UI implementation.

    Key contributions:
    → Designed and built the database schema with Supabase/PostgreSQL
    → Implemented authentication and subscription system with Stripe
    and BetterAuth
    → Built interactive 3D components with Three.js
    → Developed the full frontend with Next.js, React and TailwindCSS
    → Integrated third-party APIs and managed deployment pipeline
    Next.js Supabase Typescript AI SDK React.js
  • Freelance,
    FullStack developer
    E-COMMERCE
    March 2023 - Today (3 years and 4 months)
    Madrid, Spain
    Delivered end-to-end web solutions for multiple clients across different
    industries. Managed projects independently from requirements gathering
    to final delivery.

    Key work:
    → Built and shipped a Next.js e-commerce template now used by
    developers worldwide (200+ GitHub stars)
    → Developed custom web applications with React and Node.js
    → Handled client communication, scoping and technical decisions
    autonomously
    → Published technical articles reaching 10,000+ reads on Medium
    Next.js React.js Typescript Stripe

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