My Cool Hat My Cool Hat
Service

Custom Web Application Development

We build scalable web applications with React, Astro, Next.js and Node.js: dashboards, SaaS platforms, B2B portals, intranets and internal tools. Clean architecture, continuous deployment and documented APIs.

What does this service include?

  • Modern frontend (React, Astro or Next.js)
  • Node.js, Python or PHP backend as needed
  • PostgreSQL or MongoDB database
  • Authentication, roles and permissions
  • Deployment on Vercel, AWS or your infrastructure

Who is it for?

  • Startups that need a working MVP
  • Companies digitizing internal processes
  • SaaS businesses with recurring customers
  • Teams that need custom management dashboards

How we work

1

Definition

We nail down requirements, use cases and architecture.

2

Iterative development

Short sprints with demos to validate functionality before moving on.

3

Deploy and evolve

CI/CD, monitoring and ongoing maintenance.

Frequently asked questions

What stack do you use?

By default React/Astro + Node.js + PostgreSQL. We adapt to the stack you already use if you have a tech team.

Can you scale the app if it grows?

Yes, we design for scale from day one: caching, queues and service separation when needed.

Do you handle maintenance afterwards?

Yes, we offer monthly maintenance plans or hour banks.

Let's talk

Got a project in mind?

Tell us about it. We reply in under 24h, no strings attached.

info@mycoolhat.es