SaaS Development Company in New York
Building the SaaS platforms that New York's most ambitious founders launch, scale, and sell. EST-compatible, senior team, fixed-price. From MVP to Series A architecture.
What We Deliver
New York has one of the world's most active SaaS ecosystems, and InfinityStack is the development partner that helps New York founders move from idea to paying customers faster. We build multi-tenant SaaS platforms with Stripe billing, enterprise authentication, and the architecture that withstands NYC investor scrutiny — delivered by a senior team that speaks EST business hours.
- EST morning overlap for NYC founder standups
- Multi-tenant SaaS from day one — no architectural debt
- Stripe Billing, Stripe Connect, and ACH payment support
- HIPAA, SOC 2 Type II awareness for regulated markets
- YC and a16z portfolio company-tested patterns
- Fixed-price MVPs delivered in 10–14 weeks
Services & Capabilities
SaaS MVP Development
Production-ready SaaS MVP that gets your New York startup to the first paying customer in 10–14 weeks — designed for Stripe billing from day one.
Enterprise SaaS Features
SAML/SSO, audit logs, custom roles, data export, and the enterprise checklist that New York Fortune 500 customers require.
Stripe Billing Integration
Subscription billing, usage-based pricing, multi-product plans, and Stripe Customer Portal — all configured for the US market.
SaaS Analytics & Metrics
MRR, churn, activation, retention, and NPS dashboards that New York investors expect to see in every Series A deck.
Multi-Tenant Architecture
Proper data isolation, tenant provisioning, and cross-tenant analytics — built to handle 10,000+ New York business customers.
SaaS Onboarding Flows
Product-led growth onboarding sequences, trial conversion automation, and in-app guidance that reduces New York SME churn.
How We Work
Product Strategy Session
We map your ICP (Ideal Customer Profile), NYC market positioning, and MVP feature set with a product strategist.
SaaS Architecture Design
Multi-tenant data model, Stripe billing flows, authentication architecture, and API design reviewed before development.
Sprint Development
Two-week sprints with live demos. Your New York team approves every feature before it reaches production.
Beta Launch Support
We support your NYC beta — rapid iterations, bug fixes, and onboarding flow tuning based on real user behaviour.
Scale Readiness
Performance audit, database indexing, caching strategy, and infrastructure review before New York enterprise sales.
Growth Engineering
New features, integrations, and product enhancements on a monthly retainer as your SaaS grows across the US.
Technologies We Use
Frequently Asked Questions
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