Hamza Work

SaaS Development & MVP Engineering

SaaS product development and MVP engineering by Hamza. Creator of PitchFlo. Multi-tenant database design, billing integrations, and production-grade architectures.

Work directly with Hamza

Start with the person using your product, the job they need to finish and the smallest version worth testing. Discuss scope directly with Hamza, the independent developer behind this portfolio.

  • Describe the user and a real example of the task.
  • Agree essential screens, roles, data and integrations.
  • Define acceptance checks, operating costs and ownership.
  • Review the quotation, build, test and hand over the agreed version.

Introduction

From technical architecture to production launch: engineering reliable, multi-tenant software-as-a-service applications and rapid MVPs.

Problems solved

  • A practical digital solution for startups.
  • A practical digital solution for solo founders.
  • A practical digital solution for indie hackers.
  • A practical digital solution for freelancers.

Features offered

  • SaaS MVP Architecture & Rapid Build
  • Multi-Tenant Data Architecture & Auth
  • Global Billing, Webhooks & Analytics

Deliverables

  • SaaS MVP Architecture & Rapid Build: Turning a prioritized product specification into reviewable milestones, with delivery dates agreed after scoping.
  • Multi-Tenant Data Architecture & Auth: Workspace isolation, role-based access control (RBAC), team invites, and enterprise security fundamentals.
  • Global Billing, Webhooks & Analytics: Complete checkout flows, recurring subscription management, customer billing portals, and transaction logging.

Suitable businesses

  • Startups
  • Solo Founders
  • Indie Hackers
  • Freelancers

Example use cases

  • Turning a prioritized product specification into reviewable milestones, with delivery dates agreed after scoping.
  • Workspace isolation, role-based access control (RBAC), team invites, and enterprise security fundamentals.
  • Complete checkout flows, recurring subscription management, customer billing portals, and transaction logging.

Pricing approach

Custom quotation after reviewing scope, timeline, integrations and handover requirements. No payment is taken when requesting a quotation.

What SaaS experience does Hamza have?

Hamza built PitchFlo, an interactive digital proposal builder used by freelancers to send tracked, interactive proposals instead of static PDF attachments. He engineers the full stack from multi-tenant databases to billing workflows.

Can you help integrate international payment gateways like Stripe or Paddle?

Yes. Hamza implements global payment providers such as Stripe, Paddle, and LemonSqueezy with secure webhook processing, subscription life-cycles, and invoicing.

How do you ensure data isolation between different SaaS tenants?

Data isolation is enforced at the database level using tenant IDs on all relational entities, reinforced by Row Level Security (RLS) and middleware authorization checks.