SaaS Development
Custom SaaS Development Services
As an end-to-end SaaS development company, Dotcode builds multi-tenant architecture, subscription billing, API-first design, and cloud-native engineering into every product.
A first release typically goes live in 6–10 weeks, and the product keeps growing from there:
- Multi-tenant architecture
- Subscription billing
- API-first design
- Cloud-native engineering
5.0 on Clutch35 reviews
100%Upwork job success
Since 2017offices in New York and London
Where SaaS Products Get Stuck Between MVP and Scale
The MVP Cannot Serve a Second Customer Safely
The first version was built for one client, so data, settings, and permissions all live in one shared space. Adding the next customer means copying the product or risking data leaks between accounts. This is usually the point where a team needs a development partner for your SaaS product launch, not another quick fix.
Billing and Plans Were Built Last
Plans, trials, upgrades, and usage limits were added after the core product, so pricing changes need code changes. Finance reconciles invoices by hand, and sales cannot offer a custom plan to a large customer without waiting for the next release.
Enterprise Buyers Ask for SSO and Audit Logs
Larger customers send security questionnaires and ask for single sign-on, role-based access, audit logs, and data residency options. Without them, deals stall in procurement, even when the product itself is exactly what the buyer needs.
Infrastructure Cost and Release Speed Work Against You
Servers sized for peak load run all month, and every release needs manual steps and a quiet evening. As usage grows, the cloud bill rises faster than revenue and the team ships less often, because each deployment feels like a risk. Cloud-native SaaS development addresses both with auto-scaling and automated release pipelines.
From MVP to a multi-tenant platform
Stage 1
MVP
- One customer, one workspace
- Core workflow only
- Manual setup and billing
Stage 2
Multi-tenant product
- Isolated data per tenant
- Plans, trials, and billing
- Self-service onboarding
Stage 3
Enterprise-ready platform
- SSO and audit logs
- Public API and integrations
- Auto-scaling infrastructure
Services
SaaS Development Services We Provide
Custom SaaS Application Development
Our custom SaaS application development services start with discovery that produces a data model and API contract before any frontend code is written. The product is designed for your user model, data requirements, and compliance obligations, not adapted from a template that your team would work around later.
SaaS MVP Development
A first version that real customers can use, scoped to the features that test your main hypothesis. Through our MVP development practice, the MVP is built on a multi-tenant foundation, so the second and tenth customer do not require a rebuild of the core.
Multi-Tenant SaaS Architecture
Schema-per-tenant or row-level isolation, chosen by your compliance requirements and customer data volume. Tenant onboarding is automated, one customer's workload does not slow down others, and data portability for each tenant is planned from the first version of the data model.
Cloud-Native SaaS Engineering
Containerized services, infrastructure as code, and auto-scaling policies configured from the start on AWS, Google Cloud, or Azure. We design cloud-native infrastructure with Kubernetes and Terraform, so environments are reproducible and releases run through automated pipelines.
API-Driven & Headless SaaS Development
GraphQL and REST APIs with versioning and rate limiting, so customers can connect the tools they already use. Microservices where independent scaling matters, event-driven architecture where real-time updates are part of the product. A documented API also helps enterprise buyers evaluate the product faster.
Subscription Billing and Access Control
Plans, trials, upgrades, usage-based pricing, and invoicing through Stripe or another billing provider, connected to the product's permission model. Roles, team accounts, and single sign-on are part of the same layer, so a plan change updates what each user can access.
AI Features for SaaS Products
Predictive analytics, workflow automation, and document processing built as integrations with existing models and APIs. We add AI features for SaaS products where they remove manual steps for your users, and plan the data pipeline in the architecture phase rather than bolting it on later.
SaaS Migration & Modernization
Legacy and single-tenant products moved to a cloud-native SaaS model with the strangler fig pattern: new functionality goes to the new architecture, old modules migrate step by step, and the legacy system is switched off only after the new one has handled production load.
Who we work with
Who We Build SaaS Products For
Startups & Founders
Founders with a clear product idea and no in-house engineering team. We make the architecture and stack decisions, explain the tradeoffs in business terms, and build scalable SaaS solutions for startups that can grow past the first customers.
Growth-Stage B2B SaaS
Teams with paying customers whose architecture is starting to show its limits: slow queries, weak tenant isolation, or an API that customers keep asking to extend. We refactor the foundation while new features keep shipping.
Enterprise Platforms
Companies turning internal expertise into a product for their own clients. They need SSO, audit logs, role-based access, and documentation that procurement and security teams will review before signing. SaaS development services for this group start with the enterprise readiness layer.
Marketplaces
Products that serve two or more user types on one infrastructure, with transaction logic, payouts, trust and safety rules, and a data model that is hard to change once both sides are live. Custom SaaS development lets the platform follow your marketplace rules instead of a template's.
Internal Tools to SaaS
Companies that already run a tool for one team or one client and want to sell it to many. Custom SaaS development here adds tenants, plans, billing, and self-service onboarding to logic that already works.
Scaling a Live SaaS Product
Product teams that need more engineering capacity for a live product: new modules, integrations, performance work, or an enterprise readiness layer, delivered without stopping the current release plan. Our SaaS development services extend the team you already have.
Custom vs off-the-shelf
Custom SaaS Development vs Off-the-Shelf Platforms
| Parameter | No-code / off-the-shelf | Custom by Dotcode |
|---|---|---|
| Fits your product logic | ✕You adapt your product to the platform's limits |
✓Architecture built for your user flows and data model |
| Scalability | ✕Platform ceiling; performance drops or costs spike under real load |
✓Auto-scaling infrastructure sized for your traffic patterns |
| Third-party integrations | ✕Limited to the platform's connector library |
✓Any integration your customers need, built against their APIs |
| Multi-tenant data model | ✕Shared structure you cannot change |
✓Tenant isolation designed for your customers and compliance scope |
| Compliance (SOC 2 / GDPR / HIPAA) | ✕Vendor-managed scope; gaps sit in your configuration |
✓Designed around SOC 2 / GDPR / HIPAA requirements |
| Change speed | ✕Depends on the platform's release cycle |
✓Changes deploy on your timeline |
Why custom works
No-code tools and ready-made platforms help test an idea, but they set the limits of what the product can become. Our custom SaaS software development services start from your data model and customer requirements, so the product keeps growing after those limits are reached.
Signs you've outgrown your platform
- Customers ask for integrations the platform cannot build.
- Enterprise deals stall on security reviews.
- Hosting costs grow faster than revenue.
Development process
Our SaaS Product Development Process
-
Discovery
We define users, tenant types, plans, integrations, and compliance scope before development starts. Our SaaS product development services begin with this map, because it decides the data model and the cost of every later change.Duration: 1 week You get: A documented scope, tenant and plan model, and integration list.
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UX/UI Design and Prototyping
Wireframes and clickable prototypes are tested with real users before the interface is built. Dashboards are designed for each user role, from account admins to end users.Duration: 1–2 weeks You get: A clickable prototype of onboarding, core flows, and admin screens.
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Architecture
Tenancy model, billing and access layer, APIs, and hosting are designed together. Security and compliance requirements from discovery become part of the data model at this stage, not after launch.Duration: 3–5 days You get: An architecture plan with tenancy, billing, APIs, and hosting.
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Development
Engineers build the product in short iterations with CI/CD pipelines in place from the start. Stakeholders review working functionality on a staging environment as it becomes ready, and each iteration of SaaS development ends with a demo of finished features.Duration: 2–4 weeks You get: Working product modules on a staging environment.
-
QA and Security Testing
Functional, load, and security testing, with focus on tenant isolation, billing scenarios, and access rights, the places where a defect affects every customer at once.Duration: 1 week You get: A tested release with tenant, billing, and access scenarios verified.
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Launch and Support
Monitoring, alerts, and backups are set up before go-live. After launch, the same team improves the product based on real usage data and plans the next releases with you.Duration: 3–5 days, then ongoing You get: A live product with monitoring and a team that supports it.
Security & compliance
Security, Compliance and Accessibility for SaaS
SOC 2-Ready Controls
A SOC 2 report is issued for the company that operates the service, after an independent audit. We build the controls your audit needs: role-based access, audit logs, encryption in transit and at rest, backups, and change history across the multi-tenant platform.
HIPAA & Health Data
For products that store or process health data, access control, audit trails, and encryption are designed in from the start. Hosting runs on HIPAA-eligible cloud services, and the business associate agreements are signed between you, your vendors, and your customers.
PCI DSS & Card Payments
Card data stays with the payment provider: checkout uses hosted payment pages or tokenization, so your product never stores full card numbers. This keeps PCI DSS scope small and the billing flows built to meet PCI DSS v4.0.1 for the parts you control.
GDPR & Accessibility
Consent records, data export and deletion on request, and data residency options for EU customers are part of the product. Interfaces are designed with WCAG 2.2 in mind, and accessibility is checked in design reviews and in QA, so the product is easier to sell to public-sector and enterprise buyers.
Technologies
Technology Stack for SaaS Development
Frontend
React.jsAngularVue.js
Backend & Databases
Node.jsPythonGolangPostgreSQLMongoDB
Cloud & Infrastructure
AWSGoogle CloudAzureKubernetesTerraform
Security & Compliance
OAuth 2.0JWTData Encryption Standards
Message Queue & Event Streaming
Apache KafkaRabbitMQAWS SQSAWS SNS
Monitoring & Observability
DatadogAWS CloudWatchPrometheusGrafana
Meet Your SaaS Development Expert
Mariia Kunta
Chief Operating Officer
Mariia is the Chief Operating Officer at dotcode, where she oversees the operational department and shapes the company’s organizational strategy. She leads a team of engineers through full-cycle development, from the first concept to post-launch monitoring, using Agile methods to keep delivery efficient, flexible, and high-quality. Her focus is on long-term partnerships with startups and established enterprises.
This page was reviewed by Mariia Kunta · Updated November 6, 2026
Ply
A connected procurement platform for materials, payments and financing
Ply helps MEP contractors compare supplier quotes, purchase materials and manage payments in one place. We developed a connected web and mobile ecosystem with inventory tools, financial integrations and flexible payment options.
2–3×
Lower bills after architecture optimization
100+
Banks available to connect
Pricing
SaaS Development Cost
The cost of custom SaaS development services depends on the number of user roles and tenant types, billing complexity, integrations, compliance requirements, and the platforms you need at launch.
Projects start from$30,000
Why Choose Dotcode as Your SaaS Development Company
1 team
One Team From Discovery to Support
Discovery, UX design, development, QA, and post-launch support are handled by one SaaS development services team, so product context is not lost between stages. The engineers who designed the architecture stay with the product as it grows.
Tenants
Architecture Planned for Multi-Tenancy
Tenant isolation, plans, and permissions are part of the first data model, not a later refactor. That is how a SaaS development company should treat the decisions that are hardest to change once customers are live.
API
API-First and Integration Experience
Every component exposes a versioned API before the interface is built on top of it. Payment, banking, CRM, and analytics integrations are planned with the product, as in the Ply platform, which connects payments and financing services.
2017
Building Software Since 2017
Dotcode has delivered web, mobile, and SaaS products since 2017. As a SaaS development company with offices in Lviv, New York, London, Toronto, Melbourne, and Dubai, we give clients in North America, Europe, and Australia working-hour overlap for calls and releases.
What Clients Say
SaaS Development Services FAQ
What do custom SaaS development services include?
Custom SaaS development services cover discovery, UX/UI design, multi-tenant architecture, subscription billing and access control, API development, cloud infrastructure, QA, and support after launch.
The scope depends on where your product is today. A new product starts with discovery and an MVP, while a live product usually starts with an architecture review and the changes that unblock growth. In both cases, our SaaS development services are delivered by one team, from the first workshop to support after release.
What is the difference between a SaaS MVP and a full SaaS platform?
An MVP includes the features needed to test the main hypothesis with real customers. A full platform adds what larger customers require: SSO, audit logs, advanced roles, usage-based billing, integrations, and admin tools.
In custom SaaS product development, the MVP is built on the same multi-tenant foundation as the full platform, so growth adds modules instead of forcing a rebuild. That is why we scope SaaS development services for an MVP with the later platform already in mind.
How fast can you launch a SaaS product?
A first release typically goes live in 6–10 weeks. The exact timeline depends on the number of user roles, integrations, and compliance requirements, and we confirm it after discovery.
Starting with the core workflow and billing, then adding integrations and enterprise features in later releases, is usually the fastest way to put the product in front of customers and start collecting usage data for the next release.
How do you build multi-tenant SaaS architecture?
Our SaaS software development services use schema-per-tenant or row-level isolation, chosen by your compliance scope, customer data volume, and performance needs. PostgreSQL row-level security is one of the options for shared databases.
Tenant onboarding is automated, workloads are isolated so one customer does not slow down others, and each tenant’s data can be exported or deleted on request. Monitoring shows load and errors per tenant, so the team sees a problem before customers report it.
Can you take over and scale an existing SaaS product?
Yes. Our SaaS product development services for live products start with an audit of the code, infrastructure, and integrations, followed by a plan that separates urgent fixes from longer-term changes.
Legacy parts are replaced step by step with the strangler fig pattern, while the product keeps serving customers during the transition.
Can you work as an outsourced SaaS development team?
Yes. Companies choose custom SaaS development services outsourcing when they need a full product team without building one in-house. Our SaaS development services team covers discovery, design, development, QA, and support.
The team works inside your product priorities and release plan, with regular demos and direct access to the engineers who build the product.
Will our SaaS be SOC 2 or HIPAA compliant?
SOC 2 reports and HIPAA obligations apply to the company that operates the service, so compliance is confirmed through your audit and your agreements with vendors. We build the controls these frameworks expect: access control, audit logs, encryption, backups, and change history.
We document how the product handles personal and health data and work with your compliance team or auditor rather than promise a certification.
How much does SaaS development cost?
Projects start from $30,000. For a first estimate of SaaS development services for your scope, use our project estimator.
A detailed quote follows discovery, once user roles, integrations, and compliance requirements are confirmed.
Let's talk
Ready to discuss your SaaS product?
Tell us about your product, your customers, and the systems it needs to connect to. Our custom SaaS development services team will come back with a scope and next steps.
- 1We read your requestShare where the product is today and what it needs next.
- 2You talk to an engineerWe go through tenants, billing, and integrations that shape the scope.
- 3You get a proposalA suggested scope, project stages, and a cost estimate.
Tell us about your product