Engineering services · SaaS products
Custom SaaS Development Company in India
SaaS platforms designed to operate, evolve, and scale.
We build SaaS products end to end — combining product design, multi-tenant architecture, secure user access, billing workflows, and operational tooling in one maintainable platform.
What this service is
Who it's for, and what it fixes.
A SaaS product is software you sell to many organizations at once. That changes almost every technical decision: each customer's data must stay separate, people need roles inside their own organization, plans and limits need enforcing, and you need to ship improvements to everyone without breaking anyone.
This is the work Varynt does every day. We run four products for paying customers, with one sign-in across them, organizations, nested groups, seats, plans, an audit log and single sign-on on the top plans. We bring that experience to your product, so you spend your time on what makes it different rather than relearning the foundations.
Founders with a validated idea
You have early customers or a working MVP and need a product that can take many more.
Businesses productizing internal software
A tool that works well in your own company that you want to sell to others in your industry.
Agencies and consultancies
Expertise you deliver by hand that could become a subscription product.
SaaS teams that need more hands
A product already in the market that needs a senior team for a new module, a rebuild or enterprise features.
Problems it solves
- One customer's data could leak into another's through a missed check
- Every new customer needs manual setup by an engineer
- Enterprise buyers ask for single sign-on, audit logs and roles you do not have
- Plans and limits live in spreadsheets instead of the product
- Releases are risky, so they happen rarely and in big, scary batches
What's included
The deliverables.
What a typical engagement produces. Discovery decides which of these your first release needs.
Product and architecture plan
What the first release must prove, the tenant model, how data is separated, and how the product will grow, written down and agreed.
Accounts and organizations
Sign-up, invitations, organizations, roles and permissions, with every request checked against the caller's organization on the server.
The product itself
The core screens and workflows that make your product worth paying for, built in short cycles with your early customers' feedback.
Plans and billing hooks
Plans, limits and trials enforced by the product, connected to the payment provider you choose.
Enterprise features
Single sign-on, an audit log, data export and admin controls, so larger customers can say yes.
Operations console
An internal console for your team: customers, plans, support tools and health, kept separate from the customer-facing app.
How an engagement runs
From first call to running software.
Five phases, each ending in something you can see and approve. The detail, and what we need from you at each step, is on how we work with you.
- 01
Discovery 2–3 weeks
Your customers, the problem they pay to solve, the competitors, and what the first release must prove. We agree the tenant model and the must-have enterprise features.
- 02
Design 2–4 weeks
The key workflows as clickable designs, tested with a few target customers, plus the data model, the permissions model and the architecture.
- 03
Build 8–20 weeks
Two-week cycles. Accounts and organizations come first, then the product's core, so early customers can be onboarded as soon as it is useful.
- 04
Launch 2–4 weeks
A beta with a few friendly customers, then the public launch with monitoring, a support process and a plan for the first round of feedback.
- 05
Support Ongoing
Most SaaS products keep an ongoing team: a roadmap reviewed with you each month, releases every cycle, and the operations work that a live product needs.
Technology approach
Plain, proven, and yours to keep.
Mostly the stack behind the Varynt products, chosen per project. Read how we build.
- React
- TypeScript
- Java
- Spring Boot
- PostgreSQL
- Kafka
- Keycloak
- Docker
- Application
- React and TypeScript in the browser; Java with Spring Boot on the server, the same foundation as the Varynt products.
- Multi-tenancy
- Every record belongs to an organization and every query is scoped to it on the server. Data separation is tested, not assumed.
- Data and events
- PostgreSQL with versioned migrations; Kafka with an outbox for events between services, so a message is never lost when a service restarts.
- Identity
- Sign-in over OIDC with an identity server such as Keycloak, which gives you two-step sign-in, single sign-on and user provisioning without writing them yourself.
What you receive
Ownership, documentation, handover.
- The full source code in a repository you own, with its history, from the first week
- A written handover: architecture overview, how to run, build and release it, and the decisions taken and why
- Credentials, keys and accounts created in your name, never ours
- The automated test suites and the build pipeline, so anyone can keep shipping it
- A product and architecture document that a new engineer can start from
- An operations runbook: releases, backups, restores and common support tasks
Typical timelines
Ranges, not promises.
- First paid release
- 3–6 months
- Accounts, organizations, the core workflow, plans and an operations console.
- Enterprise readiness
- 6–12 weeks
- Single sign-on, audit log, roles and exports added to an existing product.
- Ongoing product team
- Month to month
- A steady team working through a roadmap you review with us.
Every project is quoted for its own scope after discovery; prices are not published.
Security and quality
The practices we use on our own products.
Varynt runs four products for paying customers. Client work gets the same habits. See trust and security.
- Tenant separation covered by automated tests: one organization can never read another's data
- Database changes released as versioned migrations, tested against a copy of real data first
- Access is checked on the server for every request; hiding a button is never the control
- Code review on every change, and automated tests that run before anything is released
- Test suites run in more than one order, so a test that only passes by luck is caught
- Before a release changes a database, it is backed up and the backup is restored and checked
- Secrets live outside the code, and dependencies are kept current
What does multi-tenant mean, and do we need it from the start?
It means one running product serves many customer organizations, with each one's data kept separate. For a SaaS product, yes: adding it later means touching every query. Built in from the start, it costs little.
Can you add single sign-on and SCIM for enterprise customers?
Yes. Varynt's own products offer single sign-on over OIDC or SAML 2.0 and SCIM provisioning, and we build the same for clients, usually on a standard identity server rather than custom code.
Who owns the product and the customer data?
You do: the code, the product, the brand and every customer relationship. Accounts and keys are created in your name.
Should we start with an MVP first?
If you have not yet confirmed that people will pay, yes; see our MVP development service. If you have paying users or a clear market, build the first real release on proper foundations.
How do you handle billing and subscriptions?
Plans and limits are modelled in the product, and payments go through an established payment provider of your choice. We do not build card handling ourselves.
Can you work alongside our in-house team?
Yes. We can own a module, pair with your engineers, or set up the foundations and hand over, with the same reviews and tests either way.
How do you release updates without disrupting customers?
Small releases every cycle, database changes made backwards-compatible first, a backup restored and checked before a release changes data, and a written way back for each release.
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Get in touch
Tell us about the product you want to sell.
A short call about your customers and what they will pay for. You get a plan for the first release and the foundations it needs.