André Marinho

Software Engineer

I build full-stack web products and write down what I learn along the way. Away from the screen, there’s room for books, running, classical guitar, the beach, and whatever I have just become curious about.

01

projects

all projects
  1. npm CLI

    create-mvp

    An open-source npm CLI for setting up a SaaS project, built from infrastructure I use in four production products.

    TypeScript · Turborepo · Next.js · tRPC · Prisma · Better Auth

  2. CRM

    LawFlow

    A CRM I built for law firms to manage leads, follow-ups, and proposals through to client acceptance.

    Next.js · tRPC · Supabase · Asaas · Playwright

  3. open source

    Turistar

    An open-source planner I built for my own trips, where a group can organize an itinerary, map out stops, and share a budget.

    Next.js · Supabase · Event Sourcing · Leaflet · Playwright

02

writing

all posts
  1. Hello World

    views

    Why I built this site from scratch and started writing about the decisions, bugs, and mistakes behind my projects.

  2. Learning While AI Writes the Code

    views

    How I use AI to build software while making time to understand the code, investigate failures, and test my assumptions.

  3. I Was Building Software Before I Called It Code

    views

    How work in finance, logistics and business intelligence led me to independent software product development.