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SaaS product development, from MVP to paying customers

A SaaS product needs much more than its core feature. You also need sign-up, trials, plans, billing, emails, an admin panel and analytics. We have built and launched SaaS products end to end, so we have handled all of these in production.

Typical timelines

Clickable prototype1–2 weeks
SaaS MVP8–14 weeks
Post-launch iterationsOngoing

Exact timeline and a fixed quote after a free 30-minute call.

What we offer

Our SaaS Product Development services

MVP development

The smallest version of your product that real users will pay for, shipped fast.

Multi-tenant architecture

Secure data separation between customer accounts from day one.

Subscriptions & billing

Razorpay or Stripe plans, trials, upgrades, failed payments and webhooks handled correctly.

Admin & support tools

An admin panel to manage users, impersonate accounts for support, and handle tickets.

Onboarding & lifecycle emails

Welcome, verification, trial-ending and receipt emails that bring users back.

Usage limits & analytics

Plan limits, usage tracking and dashboards showing how customers use your product.

Why DeviStack

Why choose us for SaaS Product Development

100+ projects delivered over 10+ years, for startups and established companies in India and abroad.

Discuss your project

Production experience

We have dealt with failed payments, webhook retries and support tickets on live products.

Launch-ready, not demo-ready

Billing, emails, admin tools and monitoring are included, not left for later.

Built to change

Clean code you can keep extending as you learn from customers.

Product thinking

We push back on features that don't help you reach paying users sooner.

Our process

How we deliver SaaS Product Development projects

Product discovery

Problem, target users, pricing model and the minimum feature set.

Prototype & validation

A clickable prototype to show early users and investors.

MVP build

Core features plus sign-up, billing and admin, in weekly sprints.

Launch

Production deployment, analytics, and support for your first customers.

Grow & iterate

Ongoing development based on customer feedback and usage data.

Technologies

Tools and technologies we use

Application

ReactTypeScript.NET 8Node.js

Billing

RazorpayStripeWebhooksInvoices

Infrastructure

DockerAWSAzure SQLHangfire

Product

Google Analytics 4Transactional emailSupport ticketsFeature flags
FAQ

SaaS Product Development: common questions

How much does a SaaS MVP cost?

It depends on the features. During discovery we help you cut the scope to what's needed for your first paying customers, then give a fixed quote.

Who owns the product and code?

You do, completely. We sign an NDA and an IP assignment, and everything runs on your accounts.

Can you be our long-term tech team?

Yes. Many SaaS clients move from a fixed-price MVP to a dedicated developer arrangement after launch.

Can you handle international payments?

Yes. We have built Razorpay subscriptions and can set up Stripe for multi-currency billing.

Start your SaaS Product Development project

Tell us what you want to build. You'll get a written plan and a fixed quote within 48 hours, free of charge.