SaaS platform development
Multi-tenant platforms with role-based access, billing and real-time data — engineered MVP-to-scale.
What SaaS actually demands.
SaaS is the discipline of getting the boring parts right. Tenant isolation, permissions, billing state, background work, telemetry — none of it demos well, and all of it decides whether the product survives its first hundred paying accounts. The interesting features are the easy half.
Most of the platforms we're handed were built to prove something. A prototype that won a pilot, or an MVP that outran its architecture. It works, right up until a second customer wants their own roles, their own data boundary, their own plan — and every shortcut taken in month one is suddenly a migration. We've run that repair often enough to design around it from the first migration instead.
So we architect for the tenth tenant while shipping the first. Tenancy, roles and billing modelled up front; features sequenced so the MVP still gets out the door. Clean, documented, maintainable code with senior-level architecture — because the team that inherits it is usually yours.
What we build here.
Multi-tenant platforms, billing, role-based access.
Multi-tenant architecture
Tenancy, roles and data isolation designed in from the first migration. We pick the isolation model — shared schema with scoped queries, separate schemas, or separate databases — against your compliance posture and cost ceiling, then enforce it at the data layer so no future endpoint can quietly escape it. Onboarding a tenant becomes a routine operation, not a release.
- Isolation enforced in the query layer, not per-controller discipline
- Tenant provisioning, seeding and offboarding as first-class flows
- Per-tenant configuration, branding and feature flags
Roles, permissions and audit trails
A permission model that survives contact with enterprise buyers. Roles, granular permissions and org hierarchies defined once and checked everywhere — API, UI and background jobs — instead of scattered role checks that drift apart. Audit trails on the actions your customers will eventually ask about.
- Role and permission model shared across API, UI and queues
- Org, team and sub-account hierarchies with delegated admin
- SSO and third-party identity providers where the buyer requires them
Billing, plans and metering
Subscriptions, usage metering, trials, upgrades and downgrades wired to a billing provider — with the edge cases handled rather than discovered. Proration, failed payments, dunning and mid-cycle plan changes are state machines, so we build them as state machines. Both online and offline payment paths where your market still needs them.
- Plan, entitlement and quota model tied to the permission layer
- Webhook-driven billing state, reconciled and idempotent
- Usage telemetry your finance team can actually audit
Real-time data and APIs
REST and WebSocket APIs, third-party integrations and queue-backed background work. Live dashboards, notifications and collaborative screens built on real transport rather than an interval timer. Integrations designed with retries, backoff and replay, because someone else's API will go down on your launch week.
- Documented API contracts before code — versioned, not improvised
- WebSocket messaging for live chat, alerts and dashboards
- Queues and schedulers for imports, exports, reports and webhooks
Observability and MVP-to-scale sequencing
Monitoring, structured logs and query-level performance work as part of delivery, not a phase-two ticket. We sequence releases so the MVP ships small and the architecture doesn't have to be undone to reach the next tier of customers. Migrations, rollout plan, runbooks and handoff included — production isn't a finish line.
- Error tracking, metrics and alerting wired before first customer
- Query and index work on the paths that actually hurt
- Runbooks and docs written to survive the author leaving
Work we've shipped in this space.
Real engagements, picked because they were hard.
How we'd engage.
Custom Software & SaaS
Business-critical platforms, engineered MVP-to-scale.
Full-Stack Team on Demand
Frontend + backend capacity, onboarded fast, in your stack.
SaaS, answered.
We pick the isolation model against your compliance posture and cost ceiling — shared schema with scoped queries, schema per tenant, or database per tenant — then enforce it in the query layer, so no endpoint written next year can quietly escape it.
That's the usual shape. Architecture and API contracts first, then short sprints, then rollout, monitoring and handoff. Releases are sequenced so the MVP ships small without the architecture having to be undone to reach the next tier of customers.
Often how the work starts. Tenancy, permission checks and query load get reviewed first, and we stabilize before adding features. If the shortcuts are survivable we say so — a rewrite is rarely the cheapest way out of an MVP that outran its architecture.
Scope drives the number, so we scope before quoting. Fixed-scope project with milestone billing, or a dedicated team billed monthly once the roadmap keeps moving. We'll say so when a smaller first release gets you to market faster.
That's the assumption we build under — the team that inherits a SaaS platform is usually yours. Code, repos and infrastructure config are yours with no lock-in, and runbooks and API docs are written during delivery rather than negotiated at the end.
Related.
Building in SaaS?
Share the brief and we'll reply within one business day — from a senior engineer, not a sales bot.