SaaS Platform Development

Launch Your Software-as-a-Service Vision with Enterprise-Grade Architecture

Building a successful SaaS platform requires more than just good code—it demands multi-tenant architecture, subscription management, usage tracking, security isolation, and operational excellence. FYXIN has built dozens of SaaS platforms and knows exactly what separates successful products from failed experiments.

We architect SaaS platforms that scale from your first customer to your ten-thousandth, with the security, reliability, and performance that enterprise customers demand.

SaaS Solutions We Deliver

From multi-tenant architecture to subscription billing and analytics

Multi-Tenant SaaS Applications

Software platforms where multiple customers (tenants) share the same application infrastructure while maintaining complete data isolation and customization.

CORE CAPABILITIES:

Secure tenant data isolation
Shared infrastructure efficiency
Per-tenant customization
Independent tenant scaling
Tenant-specific branding

ARCHITECTURE PATTERNS:

Shared Database, Shared Schema: Maximum efficiency, tenant ID in all tables
Shared Database, Separate Schema: Balance of isolation and efficiency
Separate Databases: Maximum isolation, higher infrastructure costs
Hybrid Approach: Different tiers get different isolation levels

BUSINESS BENEFITS:

Efficient resource utilization
Lower per-customer costs
Faster customer onboarding
Centralized updates and maintenance
Economies of scale

Subscription & Billing Systems

Comprehensive subscription management platforms handling plans, metering, billing, invoicing, and revenue recognition.

CORE FEATURES:

Plan Management: Multiple tiers (Free, Pro, Enterprise), feature toggles
Usage Metering: Track API calls, storage, users, transactions
Billing Automation: Automated invoicing, payment processing, dunning
Revenue Recognition: Deferred revenue, MRR/ARR tracking
Subscription Lifecycle: Trials, upgrades, downgrades, cancellations

INTEGRATION:

Payment gateways (Stripe, Razorpay, PayPal)
Accounting systems (QuickBooks, Xero)
Tax calculation services (Avalara, TaxJar)
Analytics platforms

BUSINESS BENEFITS:

Automated revenue collection
Reduced billing errors
Clear revenue metrics
Flexible pricing experimentation
Lower operational overhead

API Platforms & Developer Portals

Developer-friendly API platforms with comprehensive documentation, SDKs, and self-service onboarding.

CORE COMPONENTS:

RESTful/GraphQL APIs: Well-designed, versioned APIs
API Documentation: Interactive docs (Swagger/OpenAPI)
SDKs & Libraries: Client libraries in multiple languages
Developer Portal: Self-service API key management
Sandbox Environment: Test environment for developers
Webhooks: Event notifications for integrations

API MANAGEMENT :

Rate limiting and throttling
API key authentication
OAuth 2.0 / JWT tokens
Usage analytics
API versioning strategy

BUSINESS BENEFITS:

Ecosystem development
Integration partnerships
Reduced support burden
Developer self-service
Platform extensibility

Analytics & Reporting Dashboards

Comprehensive analytics for both SaaS operators and end customers.

OPERATOR ANALYTICS:

Customer acquisition metrics
Churn and retention analysis
MRR/ARR tracking
Feature usage analytics
Performance monitoring
Customer health scores

CUSTOMER ANALYTICS :

Usage dashboards
Custom reporting
Data exports
Real-time metrics
Historical trends

TECHNOLOGY:

Data warehousing (Snowflake, BigQuery)
BI tools (Tableau, Power BI, custom)
Real-time analytics (Elasticsearch, ClickHouse)
Event tracking (Segment, Mixpanel)

Built to Scale from 1 to 100,000+ Customers

Architecture That Grows with Your Success

Phase 1: Launch

1–100 customers

ARCHITECTURE:

• Monolithic application
• Single database with read replica
• Basic caching
• Manual deployment

CAPACITY:

100-1,000 concurrent users
10,000 API requests/minute
99.9% uptime

Phase 2: Growth

100–1,000 customers

ARCHITECTURE:

• Microservices for key functions
• Database sharding
• Advanced caching (Redis)
• Auto-scaling application servers
• CI/CD automation

CAPACITY:

1,000-10,000 concurrent users
100,000 API requests/minute
99.95% uptime

Phase 3: Scale

1,000–10,000+ customers

ARCHITECTURE:

• Full microservices
• Multi-region deployment
• Advanced database optimization
• CDN for global performance
• Kubernetes orchestration

CAPACITY:

10,000+ concurrent users
1M+ API requests/minute
99.99% uptime
Global availability

Enterprise-Grade SaaS Security

Security That Enterprise Customers Demand

Authentication & Authorization

MULTI-FACTOR AUTHENTICATION (MFA):

SMS, email, authentication app options
Enforced MFA for enterprise customers
Backup codes for account recovery

SINGLE SIGN-ON (SSO):

SAML 2.0 integration
OAuth 2.0 / OpenID Connect
Support for Okta, Azure AD, Google Workspace
Just-in-time (JIT) provisioning

ROLE-BASED ACCESS CONTROL (RBAC):

Granular permission system
Custom roles and permissions
Team and user management
Audit logs for access changes

Data Security & Compliance

ENCRYPTION:

Data at rest: AES-256 encryption
Data in transit: TLS 1.3
Database encryption
Encrypted backups
Key rotation policies

DATA ISOLATION:

Logical separation by tenant ID
Physical separation for enterprise tier
Separate encryption keys per tenant
Data residency options (EU, US, India)

COMPLIANCE & CERTIFICATIONS:

SOC 2 Type II
GDPR compliance
ISO 27001
HIPAA (healthcare SaaS)
PCI DSS (payment processing)

Modern SaaS Technology Stack

Proven Technologies for SaaS Success

Recommended Backend Stacks

Node.js + Express

High performance for I/O operations, JavaScript across stack, real-time features

Python + Django/FastAPI

Rapid development, excellent for data-heavy apps, strong ML/AI integration

Java + Spring Boot

Enterprise-grade reliability, excellent for complex business logic

.NET Core

Microsoft ecosystem integration, excellent performance, Azure-optimized

Frontend Technologies

WEB APPLICATION:

React: Component-based, excellent for complex UIs
Vue.js: Progressive framework, easier learning curve
Angular: Full-featured, TypeScript-based
Next.js: Server-side rendering, SEO benefits

MOBILE APPLICATIONS:

React Native: Cross-platform from single codebase
Flutter: High performance, beautiful UIs
Progressive Web Apps (PWA): Web-based mobile experience

Why Build a SaaS Platform

Business Model Advantages of SaaS

Recurring Revenue Model

TRADITIONAL SOFTWARE:

• One-time license fees
• Unpredictable revenue
• Difficult to forecast

SAAS MODEL:

• Monthly/annual recurring revenue (MRR/ARR)
• Predictable revenue streams
• Easier to forecast and plan
• Higher company valuations (SaaS multiples)

Traditional: ₹10 lakh one-time sale | SaaS: ₹50,000/month = ₹6 lakh/year |
Customer lifetime value (3 years): ₹18 lakh

Rapid Customer Onboarding

TRADITIONAL SOFTWARE:

• Lengthy implementation projects
• Custom deployment per customer
• High onboarding costs

SAAS MODEL:

• Self-service signup
• Instant provisioning
• Automated onboarding
• Lower customer acquisition costs

Time to value: Minutes vs. months | Onboarding cost: ₹5,000 vs. ₹5 lakh |
Sales cycle: Days vs. quarters

Continuous Improvement

TRADITIONAL SOFTWARE:

• Infrequent major releases
• Customer upgrade friction
• Fragmented versions

SAAS MODEL:

• Continuous deployment
• All customers on latest version
• Rapid feature iteration
• Immediate bug fixes

Faster innovation, better product-market fit, reduced technical debt, improved customer satisfaction

Scalable Growth

TRADITIONAL SOFTWARE:

• Linear growth (more sales = more revenue)
• High marginal costs per customer

SAAS MODEL:

• Exponential growth potential
• Low marginal costs per customer
• Network effects
• Viral growth opportunities

Customer #1 cost: ₹10 lakh (development) | Customer #100 cost: ₹5,000 (onboarding) | Customer #1000 cost: ₹5,000 (onboarding)

SaaS Platforms We've Built

Real-World SaaS Success Stories

Vertical SaaS for Healthcare

Practice Management SaaS for Dental Clinics

CHALLENGE:

Generic practice management software too complex, dental-specific workflows not supported, high per-clinic licensing costs

SOLUTION BUILT:

Multi-tenant dental practice management platform
Appointment scheduling with patient reminders
Treatment planning and clinical notes
Insurance billing automation
Patient portal
HIPAA-compliant architecture

BUSINESS MODEL:

₹5,000/month per clinic (up to 2 dentists)
₹2,500/month per additional dentist
14-day free trial
Annual plans with 20% discount

RESULTS:

150 Clinics in year 1

₹90 Lakh ARR by year 1

5% Monthly churn rate

85 NPS Customer satisfaction

B2B SaaS for Supply Chain

Distributor Management SaaS for FMCG Companies

CHALLENGE:

FMCG companies struggling with distributor visibility, manual order processing and tracking, no standardized solution in market

SOLUTION BUILT:

Multi-tenant distributor management platform
Order management and tracking
Inventory visibility
Route optimization
Mobile app for sales teams
Analytics dashboard

BUSINESS MODEL:

₹50,000/month (up to 50 distributors)
₹500/month per additional distributor
Enterprise tier: Custom pricing
Annual contracts

RESULTS:

25 FMCG companies as customers

₹1.5 Cr ARR by year 2

3% Monthly churn

40% Year-over-year growth

Horizontal SaaS for Project Management

Industry-Agnostic Project Management Tool

CHALLENGE:

Existing tools (Asana, Monday) too expensive for Indian SMEs, need for India-specific features (GST, Indian payment gateways)

SOLUTION BUILT:

Multi-tenant project management platform
Task and project tracking
Team collaboration
Time tracking and billing
Client portals
Indian payment gateway integration

BUSINESS MODEL:

Free tier: Up to 5 users
Pro: ₹500/user/month
Business: ₹800/user/month
Enterprise: Custom pricing

RESULTS:

5000 Organizations signed up

1,200 Paying customers

₹60 Lakh MRR by year 2

Profitable In year 3

Ready to Build Your SaaS Platform?

Let's Architect Your Software Product for Success

Discuss your product vision, target market, business model, and technical
requirements with our SaaS architects.

Schedule SaaS Consultation Request Architecture Workshop

SaaS Architecture Best
Practices (PDF)

Multi-Tenant Architecture
Patterns (Blog)

Building Scalable SaaS
Platforms (Webinar)

Explore SaaS Case
Studies

SaaS Platform Development

When You Need SaaS Development

SaaS Solutions We Deliver

Multi-Tenant SaaS Applications

CORE CAPABILITIES:

ARCHITECTURE PATTERNS:

BUSINESS BENEFITS:

Subscription & Billing Systems

CORE FEATURES:

INTEGRATION:

BUSINESS BENEFITS:

API Platforms & Developer Portals

CORE COMPONENTS:

API MANAGEMENT :

BUSINESS BENEFITS:

Analytics & Reporting Dashboards

OPERATOR ANALYTICS:

CUSTOMER ANALYTICS :

TECHNOLOGY:

Built to Scale from 1 to 100,000+ Customers

Phase 1: Launch

Phase 2: Growth

Phase 3: Scale

Enterprise-Grade SaaS Security

Authentication & Authorization

Data Security & Compliance

Modern SaaS Technology Stack

Recommended Backend Stacks

Node.js + Express

Python + Django/FastAPI

Java + Spring Boot

.NET Core

Frontend Technologies

Database Technologies

Cloud Platforms

DevOps & Monitoring

Why Build a SaaS Platform

SaaS Platforms We've Built

Vertical SaaS for Healthcare

RESULTS:

B2B SaaS for Supply Chain

RESULTS:

Horizontal SaaS for Project Management

RESULTS:

Ready to Build Your SaaS Platform?

Let's Architect Your Software Product for Success