Build, Launch, and Scale Your SaaS Product

From MVP to multi-tenant platforms—our SaaS engineering process turns ideas into revenue.

You bring the idea; we bring the full-stack firepower. Our team specializes in building scalable, secure SaaS products with subscription billing, admin dashboards, user roles, and full analytics baked in. We've worked with early-stage startups and scaled teams alike.

Case Study: QuickCRM — Multi-Tenant Customer & Notification Hub

"Underdog Crew delivered exactly what we envisioned with QuickCRM—and more. From planning to execution, they were proactive, fast, and deeply technical. The CRM is now live across multiple organizations with automated alerts and upload flows that simplified our operations tremendously. A true 5-star experience."

– Jigar Kapasi, Managing Director, Kapasi Consultancy (India)

Project: Multi-tenant SaaS CRM with clients, roles, reminders, and secure file upload

✅ Built with: Node.js, Next.js, WhatsApp Web, Email Notifications, Admin Controls

Our SaaS Stack Covers

Frontend

React, Next.js 15, Tailwind

Backend

Node.js, Django, Golang

Auth Systems

JWT, OAuth, Supabase

Billing

Stripe, Razorpay

Architecture

Multi-Tenant Architecture

Deployment

CI/CD, AWS/GCP Deployment

Compliance

GDPR & SOC2 Guidelines

Highlights

  • 🚀0 → 1 MVPs in 4–6 weeks
  • 🚀Modular codebase ready for scale
  • 🚀Built-in metrics, user insights, and ops dashboards

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Schedule a free AI strategy call to explore how we can drive your business forward.