Software Development for SaaS Companies
Build, scale, and optimize your SaaS platform
SaaS success requires more than great features—it requires bulletproof infrastructure, reliable billing, and architecture that scales. M3L Software builds SaaS platforms that handle real money, real users, and real growth.
Industry Challenges
Subscription Billing Complexity
Multi-tier plans, usage-based billing, trials, upgrades, downgrades, dunning—SaaS billing has dozens of edge cases that can cost you revenue.
Multi-Tenancy at Scale
Serving multiple customers from one platform requires careful data isolation, performance optimization, and tenant-specific configuration.
API-First Architecture
Modern SaaS products need robust APIs for integrations, mobile apps, and developer ecosystems. A poorly designed API limits growth.
Performance Under Growth
What works for 100 users often breaks at 10,000. Database queries slow down, API response times increase, and infrastructure costs balloon.
How We Solve These
Stripe Subscription Billing
Complete subscription infrastructure: multi-tier plans, trials, metered billing, customer portal, webhook handling, dunning management, and Stripe Tax integration. We've processed $2M+ in transactions.
Multi-Tenant Architecture
Proper tenant isolation, shared-database or schema-per-tenant approaches, tenant-specific configuration, and role-based access control. Built on FastAPI and PostgreSQL.
Scalable API Development
RESTful APIs with FastAPI: automatic documentation, rate limiting, pagination, filtering, caching, and comprehensive error handling. Built to support your developer ecosystem.
Performance Optimization
Redis caching, database query optimization, connection pooling, async processing with Celery, and CDN integration. We typically reduce API response times by 60-80%.
What You Get
Technology Stack
SaaS Platform Scaling from 5K to 50K Users
Reduced API response times from 800ms to 120ms
99.9% uptime for 12 months
FAQ
Can you integrate Stripe Billing with our existing system?
Yes. We can add Stripe to an existing backend or build a new billing service. We handle migration of existing customers, plan mapping, and webhook integration.
How do you handle multi-tenancy?
We evaluate shared-database vs schema-per-tenant based on your needs. Most SaaS products work well with shared-database and row-level security. We implement proper tenant isolation and testing.
What about GDPR and data privacy?
We implement data isolation, audit logging, data export capabilities, and deletion workflows. Our architecture supports GDPR, SOC 2, and other compliance requirements.
How much does SaaS development cost?
A SaaS MVP with billing costs $4,000-$12,000. A full-featured platform costs $12,000-$35,000+. Book a free consultation for a detailed quote.
Build Your SaaS Platform
Get a free consultation and custom quote for your saas companies project. Founding clients get 50% off.