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Modernization > Custom Web Application Development for IBM i

Custom Web Application Development for IBM i

Design and deliver custom web applications, APIs, ERP enhancements, and mobile apps for IBM i that fit your workflows and connect with your existing stack—while preserving what works.

Talk to an IBM i Expert

IBM i Web Application Development That Fits Your Business

Deliver the exact capabilities your teams need with streamlined workflows, clearer insight, and seamless IBM i integration with your existing tools. Powered by custom web application development for IBM i, you maintain full control of your code and roadmap.

Unlock More from ERP

Unlock More from Your ERP

Enhance, don’t replace. Add the features teams need, streamline critical processes, and unlock new value from your existing ERP.
Create What You Need

AI-Powered Custom Web Apps

Portals, eCommerce, inventory, invoicing, and dashboards. Designed for great UX and accelerated by AI-assisted development for speed and quality.
UI Modernization

APIs and Integrations

Connect IBM i to your broader ecosystem with secure APIs and seamless integrations across ERP, databases, third-party apps, and cloud platforms.
Integrated Systems

Strategic Discovery Before Build

Start with goals, users, and workflows. Discovery and interactive wireframes align stakeholders, reduce risk, and set delivery up for success.

How We Deliver Custom Web Application Development for IBM i

We pair AI-assisted development with proven delivery methods to transform your ideas into production-ready IBM i web applications faster. From secure portals and eCommerce solutions to advanced operations, reporting dashboards, and analytics, we ensure each feature fits your business and integrates seamlessly with your ERP and current tech stack. Our team modernizes user experiences, replaces legacy green screens with intuitive interfaces, and connects your IBM i environment to the cloud with secure REST APIs. This approach delivers high-quality applications with minimal risk—without disrupting the systems you rely on.

Here is a look at how we build your application.

scope

Scope

Clear requirements shaped into a roadmap aligned to business outcomes.

Design

Design

User flows and wireframes built around real user needs and IBM i realities.

Develop

Develop

Clean, maintainable code accelerated with AI-assisted development and best practices.

Test

Test

Automated and manual testing to catch issues early and protect production.

Trusted By IBM i Leaders Worldwide

40+

years of IBM i experience

80+

modernization projects delivered

27+

tools to automate modernization

1,000+

IT strategy & roadmaps developed

Why Fresche for IBM i Development?

Build faster, safer, and smarter on IBM i with a partner who knows the platform inside out. Our teams blend decades of IBM i expertise with AI-assisted development, seamless integrations, and enterprise-grade delivery—so you get modern apps that fit your workflows without disrupting what works.

IBM-i-Application-Modernization-Factory

Broader Modernization Needs?

IBM i Application Modernization at Scale, Powered by Our Factory

If you’re looking beyond a single app, our Application Modernization Factory gives you the scale, speed, and control to modernize entire portfolios. We combine IBM i expertise with high automation to protect core business logic while moving to modern languages, user experiences, and integrations. The result is predictable delivery and outcomes you can measure.

  • High automation with IBM i expertise
  • Parallel tracks for transformation and reimagination
  • Coexistence, testing, and modern, portable deployments
Explore IBM i Application Modernization

Ready to Build on IBM i?

Let’s map the fastest path to the features you need. We’ll start with goals and workflows, then align on a plan for web apps, APIs, or ERP enhancements—without disrupting what works.

You own the code. No lock-in. Built for your stack.

Talk to an IBM i Expert