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Stacklane

B2B engineering for Rotterdam, from a senior Dutch team.

SSO, SCIM, webhooks, RBAC, audit trails, admin dashboards. The unglamorous infrastructure that B2B procurement asks about on day one. We've shipped it across every case study and we know the trade-offs in advance.

What we build

  • SSO + SCIM, customer-ready

    Okta, Microsoft Entra, Google Workspace, generic SAML. SCIM 2.0 user provisioning, role mapping, just-in-time provisioning.

  • Webhooks + integration platform

    Outbound webhooks with retries, signing, replay. Inbound webhook handlers with idempotency. The integration shape every enterprise procurement asks for.

  • Audit trails + RBAC

    Every write logged, immutable trail, role-based access from the schema up. The compliance vocabulary that lands at procurement review.

  • Admin + ops tooling

    Internal dashboards for customer support, ops, finance. Impersonation, bulk actions, exception handling. Replaces the support-Slack-channel sprawl.

Where this fits

  1. You're a Rotterdam B2B SaaS scale-up entering enterprise procurement and the security questionnaire is unanswered.

  2. You're a maritime + logistics tech operator and integration with customer ERPs is the #1 sales blocker.

  3. You're a B2B platform and the in-house team can't carve out time for the admin tooling that ops desperately needs.

Tech stack

  • Next.js
  • TypeScript
  • PostgreSQL
  • SSO / SCIM
  • Webhooks
  • Audit trails

Want this for your team?

30 minutes with a founder or senior engineer. We'll scope what you need and tell you straight whether Stacklane fits.

Book a Free Call

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