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Software Engineering

SaaS Development Built to Survive Its Own Growth

SaaS development means building a multi-tenant product that can take payment, isolate customer data, and survive its own growth. We handle tenancy, roles and permissions, subscription billing, usage metering, onboarding, and the internal admin tooling your team needs on day one.

  • Tenancy isolated at the database layer
  • Billing modelled on what you will sell
  • Admin tooling from week one
Plan Your SaaS BuildAll Services

How it runs · 5 steps

  1. Choose the tenancy model
  2. Model billing against real pricing
  3. Build roles and permissions
  4. Ship the admin console
  5. Instrument activation and churn

Built with

  • Next.js
  • React
  • TypeScript
  • Stripe
  • Razorpay
  • Webhooks
  • PostgreSQL
  • Redis

More in Software Engineering

Questions first?Talk to an engineer

Tenancy and billing are the two decisions that are expensive to revisit

Choosing row-level isolation over separate schemas, or bolting metered usage onto a flat-rate billing model after launch, means touching every query and every invoice. We settle both in the first sprint, against the pricing model you actually intend to sell rather than the one on the current landing page.

The other thing founders always need and rarely budget for is internal tooling: impersonation, plan overrides, activation funnels, and churn signals. Without it, every support question becomes an engineering task.

The Problem

What this usually fixes

  • Tenant isolation enforced by a filter

    Data separation that depends on every query remembering a WHERE clause is one forgotten filter away from a breach notification.

  • A billing model that cannot express your pricing

    Trials, plan changes, proration, dunning, and usage metering are each a rewrite if the foundation assumed flat monthly fees.

  • No internal tooling

    Every plan override, refund, and support question routes to an engineer with database access, which does not scale past a handful of customers.

  • Growth that degrades the product

    Queries that were fine at fifty tenants are not fine at five hundred, and the fix touches everything at once.

How We Work

The process

Each step produces something you can review — a document, an environment, or working software — rather than a percentage in a status report.

  1. Choose the tenancy model

    Row-level, schema-per-tenant, or database-per-tenant, decided against your expected customer size and compliance needs.

  2. Model billing against real pricing

    Plans, trials, proration, dunning, and metering designed around what you intend to sell, including the plan you have not launched yet.

  3. Build roles and permissions

    Organisation, team, and user-level access enforced at the data layer, with invitations and ownership transfer handled properly.

  4. Ship the admin console

    Impersonation, plan overrides, and usage inspection — so support does not require an engineer with production credentials.

  5. Instrument activation and churn

    Funnel and retention signals visible from week one, because the first release is when the data is most decision-shaping.

What You Get

Why teams choose this

  • Isolation you can defend

    Enforced at the database layer rather than by convention, which is the difference between a design and a hope.

  • Billing that can change

    New plans, usage-based tiers, and annual pricing become configuration rather than a migration across every invoice.

  • Support without engineers

    Admin tooling from day one means your team answers customer questions without opening a database console.

  • Evidence for the roadmap

    Activation and churn instrumentation from the first release, so product decisions rest on behaviour rather than anecdote.

Stack

Technologies we build with

Tools we have delivered production work on, not a capability matrix. We pick per project and will explain the trade-off behind each choice.

Application
  • Next.js
  • React
  • TypeScript
Billing
  • Stripe
  • Razorpay
  • Webhooks
Data
  • PostgreSQL
  • Redis
  • Row-level security
Platform
  • Vercel
  • AWS
  • Docker
Industries

Who this is for

Whether the product serves one vertical or many, the tenancy and billing problems are the same shape.

  • B2B software
  • Fintech
  • Healthtech
  • Edtech
  • Logistics platforms
  • Marketplaces
  • Professional services tools
  • Marketing technology
Questions

SaaS Development: common questions

Related reading

Which multi-tenancy model should we use?

Row-level isolation with database-enforced policies suits most B2B SaaS: it is operationally simple, cheap to scale to thousands of tenants, and secure when the rules live in the database rather than in application code. Schema-per-tenant makes sense when customers need separate backup and restore or have contractual data-separation requirements. Database-per-tenant is for a small number of large enterprise customers with strict compliance obligations. The decision is driven by customer size and compliance, and it is expensive to change later.

How long does it take to build a SaaS MVP?

A focused SaaS MVP with authentication, multi-tenancy, one core workflow, and subscription billing typically takes ten to sixteen weeks. What moves that estimate most is the number of third-party integrations, whether the pricing model needs usage metering from launch, and how much admin tooling is required before your team can support real customers. We scope it in a two-to-three week paid discovery first, which produces a costed plan rather than an optimistic figure.

Can you add billing to an existing product?

Yes, and it is a common engagement. The work involves mapping your intended plans onto a billing provider, handling the webhook flows that keep entitlements correct when payments fail or plans change, and back-filling existing customers onto the new model without disrupting their access. The hard part is rarely the payment integration — it is entitlement logic, proration for mid-cycle changes, and dunning, which is where most home-grown billing quietly breaks.

Do you use Stripe or Razorpay?

Both, chosen by where your customers are. Stripe is the stronger choice for international and US-centric products, with better support for complex usage-based pricing. Razorpay is generally the better fit for India-first products, with UPI, domestic cards, and GST invoicing handled natively. Some products need both, routed by customer geography. We build the entitlement layer independently of the provider so switching later does not mean rewriting the product.
Sectors

Where we apply this

The same work looks different depending on the constraints it has to hold. These cover what changes.

Related

Services that pair with this

Know what you want to sell?

Tell us the pricing model you intend to launch with — including the plan you have not built yet. It shapes the architecture more than any feature does.

Plan Your SaaS BuildSee Our Work