Portals and web apps

Web application and customer portal development

For customer-facing or internal processes that no longer fit in spreadsheets, email and chat. We map roles, data, exceptions and acceptance criteria, define one complete MVP workflow, then add accounts, documents, statuses, reporting and integrations in controlled stages.

Discuss the product View cases

Business value

What a web application or B2B portal changes

The product should make a real process easier to operate: roles, actions, documents, statuses, reporting and integrations must work as one system.

Workflow instead of disconnected screens

Interfaces are designed around user responsibilities, decisions, exceptions and the next valid action.

Explicit access and ownership

Roles, permissions, data visibility and audit history are defined before sensitive workflows are implemented.

A staged MVP

The first release closes one complete process and leaves stable boundaries for later modules and integrations.

Operational states covered

Loading, empty data, validation, errors, retries and high-frequency actions are part of the interface design.

What is included

Web application development: product, data and integration scope

The scope connects product discovery, UX, UI, data modelling, frontend and backend logic, permissions, API integration, testing and release.

Web applications, SaaS and customer portals

custom web applications and SaaS products
B2B portals, customer portals and partner areas
admin dashboards, CRM modules and internal analytics panels
SPA interfaces with roles, states and API-driven workflows

Product architecture, roles and data flows

user roles, permissions, statuses and operational scenarios
Bitrix24, CRM, ERP, inventory, payment, Telegram and marketplace integrations
tables, reports, filters, dashboards and workflow automation
staged rollout, monitoring, error control and support

Technology stack

React, Vue, Next.js and Nuxt for frontend interfaces
Node.js, Laravel and Django for backend logic
PostgreSQL, queues, cron jobs, logs and monitoring
REST API, webhooks and secure integration middleware

When it fits

When a business process needs a web application

A portal becomes useful when repeated work, data and responsibilities can no longer be controlled through spreadsheets, email and chat.

Customers need self-service

Users need accounts, orders, documents, statuses, requests or repeat actions without waiting for a manager.

Internal work is spread across spreadsheets

The team duplicates data, loses status context and cannot see one current version of the process.

Roles and approvals have become complex

Different users need separate actions, data visibility, notifications and approval steps.

A legacy portal needs controlled replacement

The current system is difficult to maintain, but data and familiar workflows must be migrated without interrupting operations.

Process

How a workflow becomes a web application

We map users, data and exceptions before development, define one valuable product contour and validate it with real operational scenarios.

Process and roles

Map users, actions, documents, exceptions, permissions and source systems.

Model and MVP

Define entities, statuses, interfaces, API boundaries and the first complete release.

Staged development

Deliver interface, backend logic, permissions, reports and integrations in testable contours.

Pilot and roadmap

Run the workflow with real users, resolve critical gaps and prioritise the next product functions.

Related services

Services around a web application

Depending on the product, the next work may involve API integration, AI-assisted workflows, public website pages or ongoing engineering support.

FAQ

Common questions about web applications and customer portals

Answers about MVP scope, roles, SPA/PWA interfaces, B2B portals, dashboards, API, security and product growth.

When does a business need a web application instead of a website?

A web application is useful when users need accounts, roles, statuses, tables, data, permissions, internal workflows or B2B scenarios. A website explains and sells; an application helps people work.

Can we start with an MVP customer portal?

Yes. We first isolate the key process: login, roles, data, one working action, integration and basic analytics. This MVP can then grow without rebuilding the foundation.

What is needed to estimate a web application?

A key workflow, user roles, data, statuses, permissions and integrations are enough for a first estimate. One complete scenario and clear MVP boundaries are more useful than a large abstract specification.

How are roles and security designed?

We define who can view, change and approve data and which organization or branch limits apply. Then authentication, audit history, API protection, recovery and personal data handling are designed around those rules.

Can the application integrate with CRM, ERP or internal systems?

Yes. Before development, define data ownership, identifiers, exchange direction, acceptable latency, failure handling and recovery. These decisions affect MVP architecture and release order.

What affects customer portal or B2B platform cost?

The main factors are roles, workflows, data volume, documents, notifications, integrations, security and load requirements. The estimate starts with one complete user process and is split into stages.

Product estimate

Define the first complete product workflow

Describe the users, data, current process and systems involved. We will identify an MVP that completes one useful workflow without blocking later development.