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Web application development

Custom web application development: portals, SaaS products and internal tools

We build web applications that replace spreadsheets, connect systems and give customers a better way to work with you. Every project starts with the workflow, and the technology follows from it.

  • Customer and partner portals
  • SaaS products with multi-tenant architecture
  • Internal tools and admin dashboards
  • Modern stacks such as React, Next.js, Node.js, Python and .NET

Types of web applications

Portals

Secure portals for customers, agents or suppliers, often connected to Salesforce or an ERP.

SaaS platforms

Subscription products with tenant isolation, billing and role-based access.

Booking and marketplace platforms

Search, listings, payments and reviews for multi-sided businesses.

Internal tools

Dashboards and workflow apps that replace manual spreadsheets and email chains.

Engineering practices

  • Automated tests and code review on every change
  • Continuous deployment to cloud environments you own
  • Security basics from the start: authentication, authorisation, input validation and logging
  • Performance budgets for page speed and Core Web Vitals
  • Documentation and handover so your team can take the product forward

Frequently asked questions

Can you take over an existing application?

Yes. We start with a code and infrastructure review, then agree a plan for fixes and new features.

Do you offer fixed-price projects?

For well-defined scopes, yes. For evolving products we usually work in sprints with a dedicated team.

Tell us what you are working on

Share your goals and current setup. We will come back with questions, a suggested approach and the next steps.

Contact Raushang4 Technology