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SaaS

SaaS Application Development

I build SaaS products as web apps first: organisations, users, roles and the workflow your customers pay for. Billing is added when the core product is real.

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What you can expect

  • Tenant-safe data model
  • Role-based product UI
  • A path to subscriptions

Multi-tenant data is designed so one customer cannot see another. That decision is made in the schema, not patched later. Admin tools cover support tasks you will actually do.

Subscriptions, trials and invoices are scoped with the provider you choose. I do not invent revenue numbers or promise a growth plan. I ship the software that can charge and restrict access.

Work is remote and worldwide. I reply on WhatsApp, email or a call, usually within a few hours. You own the source code. Nothing ships without a human review of correctness, security and the handover notes.

How AI helps on this engagement

AI tools help explore billing and schema options. Tenant isolation and auth are reviewed by me before release.

Typical deliverables

  • SaaS web app
  • Admin tools
  • API
  • Deployment notes

Technologies we use

  • React
  • Node.js
  • Python
  • PostgreSQL
  • Stripe-ready APIs

Frequently asked questions

Can you add billing later?
Yes. Many MVPs launch with manual invoicing, then add a payment provider.
Do you build mobile and SaaS together?
When customers need a phone app, Flutter can share the same API.
Who owns the SaaS code?
You do, including infrastructure notes and the repository.
Can you join an existing SaaS codebase?
Yes. Freelance feature work is available after a short code review.
Is this a large agency engagement?
No. You work with one developer, using AI tools to move faster, with human review before delivery.

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