Service 02 / 10 / Build From $72k/mo × 6–10 weeks to release

Web apps &
SaaS, done right.

Multi-tenant products with the unglamorous core done right — auth, billing, audit, RBAC, async. The boring parts that decide whether your product survives its first ten enterprise customers.

$72k
From / month
6–10
Weeks to release
3–5
Engineers
99.9%
Default SLO

The boring core
done right.

Eighty percent of SaaS failure modes live in the same four areas. We bring our defaults — battle-tested in production — so you don’t debug them at 3am.

A / Auth

Identity & RBAC

OIDC, SSO, SCIM and role inheritance from day one.

  • OIDC / SAML WorkOS
  • SCIM provisioning < 24h
  • Role inheritance audit-friendly
  • MFA enforcement per-tenant
  • Service accounts first-class
B / Billing

Subscription billing

Idempotent, audit-logged, replayable.

  • Stripe + idempotency 99.99%
  • Proration tested
  • Dunning 3 retries
  • Tax engine Anrok / Stripe Tax
  • Invoice PDF branded
C / Audit

Audit log

Every state change attributable; nothing silently mutates.

  • Append-only log PG + S3
  • Customer export JSONL
  • SOC 2 evidence tagged
  • Retention policy 7 years
  • PII redaction per-field
D / Async

Background jobs

Queues, retries, dead-letter, and a UI for ops to see them.

  • Temporal / Inngest < 1s lag
  • Idempotency keys enforced
  • Dead-letter queue alerted
  • Cron jobs versioned
  • Backpressure measured

Production defaults
shipped, not promised.

A working multi-tenant SaaS in your AWS or GCP account by week six. Not a prototype — the same code you’ll be billing customers on.

01

Multi-tenant data model

Postgres schema with row-level security, tenant isolation tested at the query layer, soft-delete and audit columns on every entity.

02

Admin console

Internal-only React app for support staff: impersonation, billing override, feature-flag per tenant, audit log search.

03

Webhook delivery

Signed, retried, replayable webhooks customers can subscribe to. UI for them to inspect deliveries and re-fire failures.

04

Email system

Transactional + product emails with React-Email templates, click tracking that respects DNT, bounce handling and unsubscribe.

05

Status page

Public uptime page wired to your real SLOs. Incident history, planned maintenance, RSS — not theater.

06

Tenant migration tools

Scripts to clone a tenant for support reproductions, to merge tenants on consolidation, to export everything on cancellation.

Three shapes
for different stages.

From “first ten customers” to “fifty enterprise tenants.” Same defaults, different intensity.

Early stage

MVP squad

From $72k/mo · 3 engineers
  • Architect + 2 fullstack engineers
  • Auth, billing, audit, async baseline
  • 6–10 weeks to first paying customer
  • 12-week minimum
Growth

Scale squad

From $124k/mo · 4–5 engineers
  • Multi-region, tenant isolation hardening
  • SOC 2 prep + audit log refinement
  • On-call by week 8
  • Quarterly architecture review
Enterprise

Enterprise squad

From $186k/mo · 6 engineers
  • SSO + SCIM + private VPC delivery
  • Per-tenant audit log + DPA tooling
  • BAA / data residency support
  • Dedicated solutions engineer

Six weeks
to first revenue.

A predictable cadence built around the boring milestones that actually matter — auth, billing, audit, async.

01 / Week 1

Tenant model

Architecture sprint: tenancy strategy, data model, auth choice, billing approach. Output: a written brief and a populated repo.

02 / Week 2–3

Auth + billing

Identity, RBAC, SSO scaffolding, Stripe wiring with idempotency. Internal admin console wired enough to onboard a tenant by hand.

03 / Week 4–5

Async + audit

Background workers, dead-letter handling, audit log with searchable UI. The first real customer flow ships end-to-end.

04 / Week 6+

Iterate against signal

Production is live and instrumented. From here we add the differentiated product on top of a stable core, on a two-week cadence.

Things buyers ask
on the first call.

If something isn’t answered here, ask in your intro email — we keep this list short on purpose.

Can you build on our existing stack?+

Yes. We have strong defaults but no dogma. If you’re already on Rails or Django or NestJS, we extend it. We’ll only push back when the existing choice will make a specific milestone materially harder.

What about multi-region from day one?+

Usually no. Single-region with a clean read-replica story covers the first two years for most B2B SaaS. We make multi-region a planned migration, not a default — the cost is real.

Do you handle the marketing site too?+

Out of scope for this service. We focus on the application — the side of the product behind the login wall. UX & Design (07) covers marketing surfaces if you need them.

What if we need HIPAA / FedRAMP / FINRA?+

Doable on the Enterprise tier. Add 4–6 weeks to the timeline for evidence collection and control implementation. We’ve taken three clients through SOC 2 + HIPAA in parallel.

Got something hard
that needs to be real?

Send a paragraph about the problem. We’ll come back inside 48 hours with a written take — team shape, cost envelope, riskiest assumptions.

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