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SaaS Platform Development in Austin, TX

Austin is a SaaS founder town. The pipeline along MoPac, the venture capital that followed Tesla and Oracle, the East Austin coffee shop full of pre-seed builders — they share one specific problem. They need a SaaS partner who can ship a real production multi-tenant SaaS at a real pre-seed budget, not a $400,000 agency proposal.

The problem with off-the-shelf SaaS scaffolding in Austin

Most Austin pre-seeds get pitched a SaaS-as-a-service platform that locks them in by Series A, or an offshore team that produces a codebase the in-house engineers cannot maintain. Senior-engineering, fixed-scope, full-source-handoff at a real pre-seed budget is rare.

A custom multi-tenant SaaS puts your schema, billing, entitlement, and tenancy under your control. No platform tax. No vendor SDK lock-in. For Austin founders specifically, that means SaaS shaped for founder-grade SaaS MVPs — not a generic template that nearly fits.

What we ship for Austin SaaS founders

MVP-grade multi-tenant SaaS

What investors want to see in week one — clean Postgres schema, real Stripe Billing, real reporting.

Self-serve + sales-assisted hybrid

Product-led growth signals (sign-up, activation, expansion) modeled into the SaaS data layer from day one.

Stripe Billing + usage-based pricing

Plan, seats, usage, dunning, and license state visible on the customer record.

Postgres-native reporting

Founder-readable dashboards on SQL views — no Looker license, no Tableau seat.

Tech stack

Next.js 15 + App Router
TypeScript
PostgreSQL (multi-tenant)
Prisma
Node API layer
Stripe Billing
Stripe Connect
SAML / OIDC SSO
Docker / Kubernetes

Hosted on Vercel, AWS, GCP, or your own infrastructure. PostgreSQL is the source of truth.

Reference builds

J5 Sales OS is our reference SaaS-founder build — a multi-tenant sales operations platform with contact deduplication, outreach presets, dual-mode lead flow, and embedded reporting. We dogfooded the platform on our own sales motion before shipping the pattern. Same architecture works for an Austin pre-seed building a CRM-first SaaS, a Series-A SaaS migrating off a platform, or a bootstrapped founder.

Reference SaaS work: J5 Sales OS, ProtectWithBri, and Wilder Recovery.

How we work remote from Georgia

QUANT LAB USA is founder-led from Macon, Georgia. William Beltz runs every SaaS engagement from kickoff through handoff — no agency middleman, no offshore handoff at the framework boundary. Discovery is a structured video session; weekly demos run on the same cadence; staging is live from week two.

For Austin founders, that means full Eastern-time overlap, fixed-scope contracting against milestones, and on-site work when scope warrants. Book a scope call to walk through your SaaS plan and get a written estimate.

Pricing for Austin SaaS builds

Austin SaaS engagements typically scope between $50,000 and $135,000 for a production-grade multi-tenant MVP. Fixed-fee per phase, milestone-based delivery sized to actual runway.

We quote fixed-fee scope after a 30-minute discovery call. Engagements include the multi-tenant data model, Stripe Billing wiring, admin tooling, customer-facing UI, and the API surface. Source-code handoff at delivery. See our parent SaaS service page for the broader engagement model.

What you get

  • Full source code repository (yours, no lock-in)
  • Multi-tenant Postgres schema + Stripe Billing wiring
  • Production deployment + staging environment
  • Admin tooling + customer-facing UI
  • API documentation (OpenAPI / GraphQL schema)
  • 30-day post-launch support included

Austin SaaS FAQ

Will you work with pre-seed Austin SaaS founders?

Yes — most of our engagements are pre-seed through Series A.

Can the SaaS grow into a product-led growth motion?

Yes. Activation events and expansion signals modeled from day one.

Central time overlap?

Full ET overlap from a Georgia HQ. Most calls land 9-3 CT.

Will the SaaS survive a Series A code review?

Yes.

Multi-tenant or single-tenant?

Multi-tenant by default.

Who owns the source code?

You do.

Build a SaaS you actually own in Austin.

Call William Beltz directly at (770) 652-1282 or book a 20-minute scope call. Founder-led from quote to handoff.