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SaaS Development

SaaS platforms, from MVP to scale.

We design and engineer multi-tenant SaaS products with billing, onboarding and analytics built in. From your first prototype to a platform serving thousands of customers.

50+Projects delivered across industries
ReliableMonitored infrastructure, engineered to stay online
ClearMVP timelines with milestones agreed upfront
OngoingMonitoring and support for your platform
Why it matters

Great SaaS is engineered, not assembled.

The difference between a SaaS that scales and one that stalls is architecture: multi-tenancy, data isolation, billing logic, onboarding flows and the boring-but-critical foundations. We build all of it properly from day one, so growth never breaks your product.

  • ✓ Multi-tenant architecture with proper data isolation and security
  • ✓ Subscription billing, trials, upgrades and dunning built in
  • ✓ Onboarding flows engineered for activation and retention
  • ✓ Admin dashboards, analytics and usage metering
  • ✓ API-first design so integrations and partnerships come easily

MVP thinking, enterprise discipline

We help you scope a minimum viable product that validates your riskiest assumptions fast, then iterate based on real user data. No bloated feature lists, no drawn-out big-bang launches.

And underneath the lean MVP sits enterprise-grade engineering: automated testing, CI/CD, monitoring and documentation that make your product fundable and acquirable.

What’s included

Everything a SaaS needs to succeed.

🏛

Product Architecture

Multi-tenant, secure and scalable foundations designed for your growth trajectory.

💳

Billing & Subscriptions

Plans, trials, upgrades, invoices and failed-payment recovery, integrated with Stripe and others.

🚀

User Onboarding

Signup, activation and onboarding flows engineered to convert trials into paying customers.

📊

Dashboards & Analytics

Customer-facing dashboards plus the internal metrics you need: MRR, churn, activation, LTV.

🔌

APIs & Integrations

REST/GraphQL APIs, webhooks and third-party integrations built API-first.

🛡

Security & Compliance

Authentication, roles, audit logs, GDPR-friendly data handling and secure infrastructure.

Our process

From idea to recurring revenue.

/ 01

Validate

We pressure-test your concept, market and monetisation model together.

/ 02

Prototype

Clickable designs and a scoped MVP that targets your riskiest assumptions.

/ 03

Build

Agile sprints with weekly demos. You see progress, not promises.

/ 04

Scale

Launch, measure, iterate. We stay on as your product and engineering partner.

Why 3BTech

Product partners, not just coders.

/ 01

Commercial product thinking

We challenge your roadmap, prioritise revenue-driving features and kill nice-to-haves.

/ 02

Modern stack

React, Next.js, Node, Python or .NET: proven technologies your future hires will know.

/ 03

You own the code

Clean, documented code in your repositories from day one. No hostage situations.

/ 04

Growth built in

Analytics, experimentation and marketing integrations, because launch is the starting line.

FAQs

SaaS questions, answered.

It depends on complexity, but we work to clear timelines with milestones agreed upfront. After a discovery session we give you a fixed, transparent quote, no hourly black boxes.

We work with proven stacks: React/Next.js frontends, Node.js, Python or .NET backends, PostgreSQL, and cloud infrastructure on AWS or similar. We recommend based on your needs and hiring plans.

Yes. We start with a code and architecture audit, stabilise what exists, then improve iteratively. Many clients come to us with a product that needs professional engineering behind it.

We integrate Stripe, Paddle or similar, covering plans, trials, upgrades, downgrades, invoices, tax handling and dunning for failed payments.

Security is foundational: encrypted data, proper tenant isolation, role-based access, audit logging and GDPR-conscious design throughout.

Let’s build your SaaS.

Book a free discovery call. We’ll pressure-test your idea and map the fastest path to launch.

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