SaaS development: from billing to predictable scale
We design for recurring revenue: tenant isolation, permissions, payments, webhooks, and reporting — with a stack and delivery process your team can grow into without a rewrite next year.

What we cover
Product & domain model
Roles, plans, limits, onboarding, self-service, and admin — without inflating scope for later.
Payments & subscriptions
Acquirer integrations, invoicing, dunning, tax nuances — aligned with your finance team.
Reliability & growth
Queues, idempotency, tenant-aware scaling, SLO metrics, backups, and schema migration plans.
Your outcome
8–16
Weeks to MVP with billing and admin — typical first release timeline.
99.9%
Target SLA for B2B SaaS: monitoring, alerts, and runbooks from day one.
Multi
Tenant-ready architecture: data isolation, roles, and plan limits.
Technologies
Why NineLab?
Multi-tenancy: shared DB or dedicated instances for your model
Billing, subscriptions, and webhooks — without hacks from day one
Queues, idempotency, SLO metrics, and schema migration plans
−18% MRR
One hour of B2B SaaS unavailability at peak load means churn and SLA penalties. Reliable multi-tenant architecture pays for itself at the first prevented incident.
How we deliver
- 1.
Discovery: ICP, unit economics, must-haves, compliance risks.
- 2.
Architecture and API/UI prototype, MVP acceptance criteria.
- 3.
Iterative delivery with demos, load tests on staging, pre-launch hardening.
- 4.
Go-live, runbooks, handover or SLA-backed operations.
Deliverables
- Code in your Git, CI/CD, infrastructure as code as agreed.
- API docs (OpenAPI), data diagrams, ADRs for major decisions.
- Dashboards and alerts mapped to your SLOs.
- Release/rollback checklists and security gates for shipping.
Pricing
Typical SaaS MVP spans 8–16 weeks of sprints; mature products follow a roadmap. Estimate after a short workshop.
We can augment with outstaffing or load testing before traffic spikes.
Delivered SaaS solutions
Products with subscriptions, billing, and scalable architecture
Ready to discuss your project?
First consultation is free — describe your task and we'll propose architecture and timeline estimates.
Further reading
SaaS FAQ
Both are possible; choice depends on isolation, regulation, and operating cost.
Yes — based on your provider list and fiscal requirements.
Yes — data and API migration with minimal downtime when models align.
Repositories and infra live on your side by contract; optional cloud portability.
Full stack or API/data only alongside your frontend team.
Yes — retainers, incidents, planned releases.
Ship a SaaS that survives your first paying customers
Briefly describe the product and constraints — we will propose architecture and MVP timeline.
Discuss your project
Describe your task — we respond within 2 business hours.
✓ Free initial consultation
✓ Timeline and architecture assessment
✓ NDA on request
Or call: +7 (912) 232-74-87 · full contacts page
