SaaS App Engineering

SaaS Application Development

Multi-tenant SaaS applications with subscription billing, user management, and product-led growth mechanics. From MVP to scale — we build SaaS products that generate recurring revenue.

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35+
SaaS Apps Built
$80M+
Client ARR
10x
Faster Than In-House
Multi-Tenant
Architecture

What's Included

Multi-Tenant Architecture

Isolated data per tenant with shared infrastructure for cost efficiency and easy scaling.

Subscription Billing

Stripe/Paddle integration with plan management, trials, usage metering, and dunning.

User Management

Team invites, role-based permissions, SSO, and organization hierarchy management.

Onboarding Flows

Self-serve signup, product tours, feature discovery, and activation optimization.

Admin Dashboard

Internal tools for user management, billing operations, feature flags, and analytics.

API & Webhooks

Public API with documentation, SDKs, webhooks for event-driven integrations.

Technology Stack

Frontend

React Next.js TypeScript Radix UI Tailwind

Backend

Node.js tRPC Prisma PostgreSQL Redis

Billing

Stripe Paddle Lemon Squeezy

Infrastructure

Vercel AWS PlanetScale Resend

Real-World Results

Project Management SaaS

Challenge

Spreadsheet-based idea with no technical implementation

Solution

Full SaaS platform with Kanban boards, team collaboration, Stripe billing, and Slack integration

Result

Live in 11 weeks, 1,000 users in 3 months, $30K MRR within 6 months

EdTech Learning Platform

Challenge

Manual course delivery via email with no tracking or billing

Solution

Multi-tenant LMS with video hosting, progress tracking, certificates, and institutional billing

Result

15 institutional customers, $500K ARR year one, 95% course completion rate

Key Benefits

Revenue from Day One

Billing, trials, and payment processing built into the core product.

Scale Efficiently

Multi-tenant architecture makes adding customers nearly zero marginal cost.

Self-Serve Growth

PLG mechanics so customers can discover value without sales involvement.

Data-Driven

Product analytics built in to optimize conversion and reduce churn.

Our Process

SaaS Strategy

Pricing model, feature gating, growth mechanics, and competitive positioning.

Architecture Design

Multi-tenant data model, billing integration, and infrastructure planning.

Core MVP Build

Auth, billing, core features, and admin dashboard in 8-12 weeks.

Beta Launch

Private beta, user feedback, analytics review, and rapid iteration.

Scale & Grow

Performance optimization, feature expansion, and growth engineering.

How We Compare

Aspect Traditional Widelly
Time to Revenue 6-12 months 8-12 weeks to first billing
Multi-Tenancy Added later, buggy Architecture-first design
Billing Custom-built, fragile Stripe-native, battle-tested
Growth Sales-dependent Product-led growth built in

FAQ

How do you handle multi-tenancy?
We use row-level security or schema-per-tenant approaches depending on your data isolation needs. Each tenant gets configurable features, branding options, and isolated data while sharing infrastructure for cost efficiency.
What billing features do you include?
Full subscription management: plan creation, trial periods, usage-based metering, proration, dunning (failed payment recovery), invoicing, tax calculation, and revenue analytics u2014 all powered by Stripe or Paddle.
How long to build a SaaS MVP?
A focused SaaS MVP with auth, billing, and core features takes 8-12 weeks. This gets you to market with a real, revenue-generating product that you can iterate on based on user feedback.
Do you help with pricing strategy?
Yes. We advise on pricing models (flat-rate, tiered, usage-based, per-seat), trial strategies, and feature gating based on SaaS best practices and your market positioning.

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