US · AI-first product engineering

SaaS and customer portal development

We design and launch B2B services, portals, internal panels, and client systems.

When you need SaaS or a portal

If your business is a service for other companies or users, you need a product system — not a landing page: auth, roles, dashboards, billing, APIs.

What we build

B2B SaaS, customer portals, admin panels, internal accounting and ops systems. We design architecture, UX, APIs, frontend and backend.

Stack and approach

Next.js, React, Node.js, PostgreSQL, Vercel/AWS. AI acceleration during development. Iterations every 2–3 days.

Process & artifacts

We run projects in six stages: discovery, product logic, UX and scope, AI-assisted delivery, QA and handoff, support and evolution. At each stage you get clear artifacts and demos — no black box.

Full YappiX process

Related focus areas & services

Go to pillar pages for methodology, or to services for scope and formats.

Services

FAQ

How much does a SaaS MVP cost?

From ~400,000 RUB for core functionality. Exact estimate after discovery.

Can we start with an MVP and grow later?

That’s what we recommend: ship core, collect feedback, iterate.

Ready to discuss your project?

We’ll unpack regional context, the product, and a collaboration format — without a forced scope.