Overview
SaaS products carry engineering requirements a typical internal application doesn't: multi-tenant data isolation, subscription billing, and an architecture that needs to scale across customers with very different usage patterns. XFactr's SaaS software development services are built around these requirements from day one.
Architecture Decisions That Matter Most for SaaS
Multi-tenancy, how customer data is isolated and organized, is usually the single most consequential architecture decision in a SaaS product, and one that's expensive to change later. We help evaluate the right multi-tenancy model for your specific product and customer base before development starts, alongside billing integration and the API layer that supports customer-facing integrations.
SaaS builds like this typically draw on our full stack development, APIs & microservices, and cloud services & migration practices.
What We Deliver
Multi-Tenant Architecture
Data isolation and tenancy models designed around your specific customer base.
Subscription & Billing Integration
Integration with billing platforms for subscription management and usage-based pricing.
SaaS API Development
Public and internal APIs that support customer integrations and platform extensibility.
Scalability Engineering
Architecture designed to scale across customers with different usage patterns.
Benefits
- A multi-tenancy model that fits your product, chosen deliberately rather than by default.
- Billing and subscription logic that's reliable as pricing models evolve.
- APIs that make your product genuinely extensible for customer integrations.
- Architecture built to scale without a costly re-platform down the line.
How We Work
Architecture Assessment
Evaluating tenancy, billing, and scaling requirements for your specific product.
Platform Design
Designing the multi-tenant architecture and billing integration together.
Development
Building the platform with production-scale patterns from the start.
Launch & Scaling Support
Ongoing support as usage grows and new requirements emerge.
Industries We Serve
Technology & Expertise
Why XFactr.AI
This platform engineering discipline is reflected across our full stack development and API development practices. See related work in our case studies.
Frequently Asked Questions
What is multi-tenant architecture, and why does it matter for SaaS?
Multi-tenant architecture determines how customer data is isolated and organized within your platform. Getting this right early matters because changing the tenancy model later is typically expensive and disruptive.
Can you integrate with billing platforms like Stripe?
Yes, subscription and usage-based billing integration is a standard part of our SaaS development engagements.
Do you build the product from scratch, or work with an existing SaaS codebase?
Both. We build new SaaS products from the ground up and also extend or refactor existing SaaS platforms.
How do you design for scale without over-engineering early on?
By identifying which architecture decisions are expensive to change later, like multi-tenancy, and getting those right early, while deferring less consequential optimizations until they're actually needed.
Can you help design a public API for our SaaS platform?
Yes, designing extensible, well-documented public APIs for customer integrations is a common part of our SaaS engineering work.
Building or scaling a SaaS product?
We'll walk through your architecture and where scaling friction is likely to show up.
Talk to Our SaaS Engineering Team