Let's talk about your project
Tell us what you're building, who your customers are, and what stage you're at. We'll scope the right architecture and give you a fixed cost.
Architecture decisions from your MVP now blocking you from selling to enterprise customers?
Subscription billing, tenant isolation, or usage metering bolted on as an afterthought?
SaaS Development Services
Building a SaaS product is not the same as building any other software. Multi-tenancy, subscription billing, role-based access, data isolation, and the architecture decisions that constrain you at 10,000 users were made at 10 -- these are SaaS-specific problems that general software development companies get wrong.
We build SaaS products with the constraints of the model built in from day one: scalable multi-tenant architecture, subscription infrastructure, usage-based billing, and the compliance posture your enterprise buyers will expect at Series A.
SaaS products from lean MVP to multi-tenant enterprise platform in 10--16 weeks
Multi-tenant architecture with row-level, schema-per-tenant, or database-per-tenant isolation
Stripe billing, subscription management, usage-based pricing, and feature flags built in
Full source code ownership -- no lock-in, no dependency on us to keep your product running
RaftLabs builds SaaS products for startups and growth-stage companies -- multi-tenant platforms, subscription billing systems, and enterprise-ready architectures built for growth from day one. SaaS development services cover the full product: frontend, backend, multi-tenancy, Stripe billing, role-based access, and API infrastructure. We deliver SaaS products in 10--16 weeks at a fixed cost with full source code ownership and no vendor lock-in. 100+ products shipped since 2019 across B2B SaaS, marketplace, and fintech verticals.
Build the architecture you'll need at Series A, from day one
The architecture decisions you make when building your MVP constrain you at every subsequent stage. Shared-schema multi-tenancy that works at 50 customers breaks at 5,000. Subscription billing bolted on after launch is harder to change than if it was designed in. Role-based access retrofitted after enterprise deals require it is a rebuild.
SaaS development done right means making the right architectural decisions at the start -- not paying for them at Series B.
What we build
Multi-tenant SaaS platforms
SaaS products where one codebase serves many customers with complete data isolation. We select and implement the right tenancy model for your target buyer -- row-level security for consumer SaaS, schema-per-tenant for B2B growth, database-per-tenant for enterprise or regulated markets. The architecture that keeps your data secure and your infrastructure manageable as you scale.
Subscription and billing infrastructure
Stripe Billing integration covering recurring subscriptions, trial management, plan upgrades and downgrades, usage-based metering, and invoice generation. Feature flags tied to plan tier. Dunning sequences for failed payments. Proration and cancellation handling. The billing layer that makes your pricing model a product feature, not a spreadsheet.
B2B SaaS features
Team and workspace management, role-based access control (admin, member, billing, viewer), SSO via SAML or OAuth, audit logs, API key management, and webhook delivery for product events. The feature set enterprise buyers check before procurement approval -- built in from the start, not added when the first enterprise deal requires them.
SaaS API and integration layer
Public API for third-party integrations, webhook delivery for product events, Zapier and Make connector support, and native integrations with the tools your customers already use (Slack, Salesforce, HubSpot, and others). The integration surface that makes your product a platform, not a silo.
Admin and operations tooling
Internal admin dashboard for managing tenants, monitoring usage, managing billing overrides, and supporting customers without needing database access. Usage analytics, churn signals, and product usage data surfaced to your customer success team. The operational tooling that lets your team run the product without relying on engineers for every support task.
SaaS infrastructure and DevOps
Production infrastructure on AWS, Vercel, or GCP -- CI/CD pipeline, staging environments, database backups, monitoring and alerting, and auto-scaling configuration. Infrastructure that supports zero-downtime deployments and handles traffic spikes without emergency engineering involvement. Deployed to your cloud account, managed by you after handoff.
100+ products shipped since 2019. We know what breaks SaaS products at scale.
Fixed cost. 10--16 week delivery. Full source code ownership. No dependency on us to run your product.
How we build SaaS products
Architecture first
Before writing code, we design the data model, tenancy model, and API structure. The architecture review catches decisions that are cheap to change now and expensive to change later -- schema design, tenancy approach, billing model integration, and permission model. We document the architecture before development starts and get your sign-off.
Fixed cost on defined scope
We scope the product before pricing it. Discovery session to understand the user flows, a wireframe to validate the scope, and a defined feature list before the fixed cost is set. If the scope exceeds your budget, we cut to the essential core and build the rest in a subsequent phase. No hourly billing, no surprises at invoice time.
Working software at every milestone
We build in two-week sprints with deployed builds at the end of each. You see working software every two weeks -- not a completed product at the end of 16 weeks. If something isn't right, we catch it at sprint review when changes cost hours, not at launch when they cost weeks.
Built for your engineering team to take over
We write code as if we're handing it to a different engineering team -- because we usually are. Standard frameworks, documented APIs, a clean codebase, and infrastructure-as-code. Your future engineers will recognise how it's built and be able to extend it without reverse-engineering our decisions.
SaaS architecture decisions made right the first time
Multi-tenancy, subscription billing, and enterprise features designed in from day one. Fixed cost.
Related services
SaaS Application Development -- multi-tenant SaaS platform development in depth
SaaS Platform Engineering -- ongoing SaaS product engineering
Startup Software Development -- MVP development for early-stage startups
Product Engineering -- ongoing product development post-launch
API Development -- API design and backend services
Frequently asked questions
SaaS development is the process of building software delivered over the internet on a subscription basis, where one codebase serves multiple customers (tenants). What makes it different from building a single-customer application: (1) Multi-tenancy -- the architecture must isolate each customer's data while running on shared infrastructure. (2) Subscription billing -- recurring billing, trial management, plan changes, and usage-based pricing are core product features, not afterthoughts. (3) Role-based access -- every SaaS product needs user, team, admin, and billing roles with appropriate permissions. (4) Observability -- you're responsible for uptime and performance for all customers simultaneously, so monitoring and alerting are non-negotiable. (5) Scale -- the architecture needs to handle growth without rebuilding at each new order of magnitude.
There are three models, each with different cost and isolation trade-offs. Row-level security (shared schema): all tenant data in shared tables with strict query-level isolation. Lowest infrastructure cost, easiest to scale operationally, right for B2C SaaS and SMB-focused products. Schema-per-tenant: each tenant gets their own schema within a shared database. Strong isolation, good compliance posture, manageable infrastructure cost -- the right choice for most B2B SaaS products targeting growth-stage companies. Database-per-tenant: each customer gets a completely separate database. Maximum isolation, required for regulated industry buyers in healthcare and financial services, and for customers with strict data residency requirements. Higher infrastructure cost that scales with customer count. We recommend the model based on your target buyer and their procurement requirements -- not a default preference.
We integrate Stripe Billing as the standard subscription layer -- handling recurring billing, trial management, plan upgrades and downgrades, proration, and invoice generation. For usage-based billing (metering by API calls, seats, events, or other units), we implement Stripe Meters or build a custom metering system that reports usage to Stripe. Feature flags are implemented to control feature availability by plan without code deployments. If your pricing model is likely to evolve (and it will), we design the billing integration to support plan structure changes without breaking existing subscriptions.
A focused SaaS product -- one core workflow, multi-tenancy, subscription billing, and a web interface -- typically runs $25,000--$60,000. A more complete SaaS platform with multiple modules, mobile app, API for third-party integrations, and admin tooling runs $60,000--$150,000. SaaS products with complex data models, real-time features, or compliance requirements (HIPAA, SOC 2) run higher. Pricing is fixed cost based on scoped features -- you know the number before development starts, not after.