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Backend & APIs

Backend & API Development

Reliable services behind the product: APIs, data models, authentication and integrations that stay stable as you grow.

  • REST APIs
  • Databases
  • Auth

The interface is only as good as the system behind it. We design backends for clarity: sensible domain models, predictable APIs and security that is intentional.

Whether you need a greenfield API or to untangle an existing service layer, platform engineering owns the foundation your clients and apps depend on.

What you get

  • REST APIs and service architecture
  • Database design and migrations
  • Authentication, sessions and SSO hooks
  • Third-party and payment integrations
  • Background jobs, webhooks and file storage

A good fit if

  • Products that need a solid API for web and mobile
  • Teams replacing fragile glue code between tools
  • Founders who need auth and data modelling done properly once
Why choose us

Why choose VELGEN for backend & apis.

Highlights that matter when you are comparing studios for this exact work.

Security as a default

Auth, permissions and data boundaries are designed in, not patched after the first incident.

Clear contracts for every client

Documented APIs so web, mobile and partners integrate without guesswork.

Built for change

Migrations and versioning habits that let the product evolve without rewriting everything.

Next step

Ready to build it?

Whether you have a fully scoped project or a sketch of an idea. Start with a conversation. We will tell you honestly what comes next.