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Dev Sac

SaaS Development Company

SaaS development company building subscription platforms, multi-tenant applications, and MVPs with TypeScript and Cloudflare Workers. From concept to recurring revenue.

TypeScript React Node.js Cloudflare Workers SQLite Stripe
8-12
Weeks to MVP
<50ms
API Response Time
Zero
Cold Starts

From Idea to Recurring Revenue

Building a SaaS product is different from building a website or even a standard web application. You need multi-tenant architecture that keeps customer data isolated, subscription billing that handles upgrades, downgrades, and failed payments automatically, and infrastructure that scales from your first 10 users to your first 10,000 without a rewrite. I build SaaS platforms with all of that from day one.

I work with founders and businesses that have a clear problem to solve and need a technical partner to turn it into a subscription product. Every SaaS application I build ships with TypeScript end-to-end, Stripe billing integration, tenant-isolated databases, and edge deployment on Cloudflare Workers. These are production platforms, not prototypes that fall apart under real traffic.

Start with the MVP, Not the Vision

The biggest mistake in SaaS development is building too much before you have paying users. I wrote a detailed guide on how to build a SaaS MVP that covers this exact process. I scope every project to the smallest feature set that proves whether customers will pay. No admin dashboards in version one. No enterprise features, no analytics, no integrations. Ship the core workflow, get real users on it, then let their behavior guide what you build next.

Most SaaS MVPs launch in 8-12 weeks. That includes user registration, Stripe subscription billing, the core product workflow, and basic admin tools. Sacramento Groceries launched its API-driven platform in that timeframe, running the entire backend on Cloudflare Workers with a D1 database. From MVP to production, the same codebase scaled without infrastructure changes.

Multi-Tenant Architecture That Scales

Every SaaS application I build uses tenant isolation at the database level. Each customer's data lives in logically separated partitions with row-level security enforced on every query. There is zero risk of Customer A seeing Customer B's data. This architecture handles hundreds of tenants on a single database instance without performance degradation, and when you need to scale further, the migration path is clean.

ContentMK demonstrates this approach at scale. Its 13-table database schema manages content, tags, media assets, and AI configurations across isolated workspaces. Two-way WordPress API sync runs per-workspace with separate credentials and access controls. The same architectural pattern powers every SaaS platform I build.

Subscription Billing That Works Automatically

Billing is where SaaS applications get complicated fast. I integrate Stripe to handle the full lifecycle: free trials, monthly and annual plans, usage-based pricing tiers, proration on plan changes, dunning for failed payments, tax calculation, and invoice generation. Stripe Webhooks keep your application state synchronized with billing events in real time. Your customers manage their own subscriptions through a self-service portal, so you are not fielding support tickets for payment updates.

The billing integration ships as part of the MVP. Your first customer can sign up, enter a credit card, and start a subscription on launch day. No manual invoicing, no spreadsheet tracking, no delayed billing setup. Revenue starts flowing the day the product goes live.

Edge-Deployed for Global Performance

SaaS customers expect fast responses regardless of where they are. I deploy SaaS applications on Cloudflare Workers, which runs your backend code at over 300 edge locations worldwide. API responses come back in under 50ms. Zero cold starts, zero servers to manage, and the infrastructure auto-scales to handle traffic spikes without configuration changes.

This architecture eliminates the traditional DevOps burden that kills early-stage SaaS companies. No EC2 instances to monitor, no Kubernetes clusters to manage, no 3am alerts because a server ran out of memory. You focus on building features and acquiring customers. The infrastructure takes care of itself.

After Launch: Iterate on Real Data

Launching is the starting line. The real product development begins when actual users start interacting with your platform. I structure every SaaS codebase for rapid iteration, shipping new features in 2-4 week cycles based on usage analytics and customer feedback. The Node.js and TypeScript foundation and modular architecture mean adding features does not require rewriting what already works.

For SaaS products that need SEO, content marketing, or paid acquisition to drive signups, I partner with Frog Stone Media for growth strategy. The technical platform and the marketing engine work together from the start.

How It Works

1

Validate

Market research, user interviews, and MVP scoping

2

Architect

Multi-tenant schema, billing integration, API design

3

Build

Iterative development with working demos each sprint

4

Launch

Production deploy, monitoring, and growth iteration

Frequently Asked Questions

How much does it cost to build a SaaS product? +
SaaS MVPs typically start at $15,000 to $30,000. That covers user authentication, subscription billing, a core feature set, and deployment infrastructure. Full-featured SaaS platforms with multiple user roles, integrations, analytics dashboards, and admin panels range from $40,000 to $80,000+. I scope every project to the smallest viable feature set first so you can validate before investing in the full build.
How long does it take to build a SaaS MVP? +
Most SaaS MVPs launch in 8-12 weeks. That includes user registration, subscription billing through Stripe, the core product workflow, and basic admin tools. I ship working software at each milestone so you can test with real users throughout development. After launch, new features ship in 2-4 week cycles based on actual usage data.
What is multi-tenant architecture? +
Multi-tenancy means one application serves multiple customers while keeping their data completely separate. Each customer (tenant) sees only their own data, users, and settings. I implement tenant isolation at the database level with row-level security, so there is zero risk of data leaking between customers. This architecture lets you onboard hundreds of customers without deploying separate instances.
How do you handle SaaS subscription billing? +
I integrate Stripe for subscription management. That handles monthly and annual billing cycles, plan upgrades and downgrades, usage-based pricing, free trials, payment method management, invoicing, and tax calculation. Stripe Webhooks keep your application in sync with billing events automatically. Your customers manage their own subscriptions through a self-service portal.
Can you build an MVP to validate my SaaS idea first? +
Yes, and I strongly recommend it. I scope MVPs to the one core workflow that proves whether customers will pay for your product. No admin dashboards, no advanced analytics, no enterprise features in version one. Ship the smallest thing that solves the problem, get paying users, then iterate. Most SaaS ideas need significant pivots after real user feedback, and an MVP keeps the cost of those pivots low.
What tech stack do you use for SaaS applications? +
TypeScript across the full stack. React for the frontend, Node.js or Cloudflare Workers for the backend, and SQLite or PostgreSQL for the database. Stripe handles subscription billing. For SaaS products that need global performance, Cloudflare Workers delivers sub-50ms API responses from edge locations worldwide. The entire codebase is typed end-to-end, which catches integration bugs before they reach production.
How do you handle SaaS application security? +
Every SaaS application gets tenant isolation at the database level, input validation on all endpoints, parameterized queries, hashed credentials with bcrypt, HTTPS enforcement, CORS configuration, and rate limiting. Edge-deployed applications on Cloudflare Workers have an additional security layer: no origin server means no traditional server vulnerabilities to exploit. I also implement role-based access control so you can define exactly what each user type can see and do.
What happens after the SaaS product launches? +
Launch is the starting line, not the finish. I provide full documentation, deployment procedures, and monitoring setup. For ongoing development, I work in 2-4 week sprint cycles shipping features based on user feedback and usage analytics. SaaS products need continuous iteration, and I structure the codebase and infrastructure for rapid feature development from day one.

Based in Sacramento, CA

Serving clients nationwide.

Ready to build your SaaS product?

Tell me about your idea. I will scope the MVP, map out the subscription model, and give you an honest timeline and budget.

Start a Project