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IBM i/AS400 Modernization Solutions
Paving Your Path to Success
Application Modernization & Support Services
We modernize legacy AS400 applications with APIs and scalable architecture, enabling faster integrations and long-term system stability.
see detailsWe provide top-notch application modernization and support services, including AS400 APIfication. This innovative technology facilitates a faster exchange of information with external applications by implementing future-ready architecture and APIs on legacy systems.
AS400 UI Modernization and Enhancements
We upgrade AS400 user interfaces with modern designs that improve usability, streamline workflows, and enhance overall customer experience.
see detailsWe provide AS400/IBM i user interface upgrade services to improve the existing application’s look and feel, enhancing the user and customer experience.
IBM i/AS400/RPG Modernization Consulting
We provide specialized consulting to transition IBM i and RPG systems into modern environments while reducing risk and downtime.
see detailsWe provide expert consulting services for modernizing AS400/RPG systems, such as CL, ILE CL, RPG, RPG II, RPG III, RPGILE, Free-form RPG, and other legacy systems.
Database Modernization & Upgration
We upgrade Db2 databases to version 11.5, improving performance, security, and paving the way for AI-driven applications.
see detailsWe offer seamless upgrade services for older versions of Db2 to Db2 11.5. The upgrade improves query performance and facilitates AI app development.
RPG Modernization
We transform RPG applications into modern frameworks like Java, aligning them with today’s business and technology standards.
see detailsOur RPG modernization services are tailored to meet each client's specific business and process requirements and assist in swift modernization to contemporary architectures like Java.
Staff Augmentation (Hire IBM i Team)
We provide on-demand IBM i experts who integrate with your team to ensure projects are delivered efficiently and on time.
see detailsWe offer access to 0.5% of the global IBM i/AS400/RPG modernization experts. Our developers expand your team’s capabilities on demand and take charge of your project to ensure deliverables are satisfactorily met on time.
AS400 Modernization Services on IBM i Series
We’ll help you choose the best way to modernize AS400 systems based on your business needs and goals.
Our developers can create a customized iSeries GUI for your AS400 system tailored to your specific requirements.
You can trust us to integrate your modernized AS400 system seamlessly with other systems and applications.
We provide ongoing support to ensure your modernized AS400 system runs at its best. Whether you need troubleshooting or updates, we’re here to help.
Meet Our Expert IBM i/AS400 Modernization Team
- 84.9% of clients rate our code 4 stars or above.
- Every developer undergoes 160 hours of vetting.
- Freshers are guided and trained for 1.5 years.
- Our team members hold 2024 IBM Champion, IBM i Community Advocate 2023, IBM i Community Contributor 2023, and IBM i Influencer 2023 recognitions.
- Programmers.io hires the top 0.5% of IBM i/AS400 developers globally.
- The Programmers.io team includes over 250 IBM i/AS400 developers.
Collaborate on Your Next Project with the World’s Largest IBM i/AS400 Modernization Solutions Provider






































Why Hire IBM i/AS400 Modernization Experts from Programmers.io?
- 96.8% customer satisfaction rate
- Access to 24-hour development support
- Client base includes 200+ happy companies
- ISO 27001 certified
- Over 12 years in business
- Rated 4.9 Stars on Clutch

Our IBM i/AS400 Modernization Process

Why Choose Programmers.io for AS400 Modernization?
Improve User Experience
Our programmers are experts in providing an intuitive and user-friendly experience for performing tasks efficiently and with less training.
Enhance Functionality
We have the knowledge and customer experience to help you improve the appearance, navigation, and other advanced features of your IBM iSeries system.
Better Integration
Our experienced, highly qualified programmers make integration seamless as you move your programs and data into web-based applications using a common-sense approach for the GUI interface.
Improve Reporting
Our data engineers are experts at providing your organization with improved reporting capabilities, including customized dashboards and real-time data analysis.
Increase Security
We hold an ISO 27001 certification and use robust standards recognized worldwide to ensure your content and data are secure.
Improve User Experience
Our programmers are experts in providing an intuitive and user-friendly experience for performing tasks efficiently and with less training.
Enhance Functionality
We have the knowledge and customer experience to help you improve the appearance, navigation, and other advanced features of your IBM iSeries system.
Better Integration
Our experienced, highly qualified programmers make integration seamless as you move your programs and data into web-based applications using a common-sense approach for the GUI interface.
Improve Reporting
Our data engineers are experts at providing your organization with improved reporting capabilities, including customized dashboards and real-time data analysis.
Increase Security
We hold an ISO 27001 certification and use robust standards recognized worldwide to ensure your content and data are secure.
Benefits of AS400/IBM i Modernization GUI on IBM iSeries
RPG Open Access
AS400/IBMi Modernization GUI on IBM iSeries allows businesses to upgrade their legacy RPG applications by integrating modern interfaces, web services, and APIs.
Screen Re-facing
The modernization process includes screen re-facing, which involves redesigning the user interface to be more user-friendly and intuitive.
API and UI Framework
The API and UI framework included in AS400/IBMi Modernization GUI on IBM iSeries enables businesses to create modern, responsive applications that can run on any device.
Zend PHP Server
The Zend PHP server included in AS400/IBMi Modernization GUI on IBM iSeries provides businesses with a secure and scalable platform for running modern web applications.
Get Started with Programmers.io in 3 Easy Steps
Contact Us to Tell Us What You Need
Fill out the form or schedule a call, and we’ll connect with you within 24 hours to discuss your goals.
Create a Plan and Choose Your Team
We’ll share a curated list of vetted experts, and you can select the right team members for your project.
Onboard and Scale with our Happiness Guarantee
Once everything is finalized, you’ll onboard your team, assign tasks, monitor progress, and scale with confidence.
Frequently Asked Questions (FAQs)
What is AS400?
AS400, IBM iSeries, or IBM System i, is a midrange computer platform that IBM developed in 1988. It is known for its reliability, scalability, and security. AS400 systems have evolved to support modern computing needs. However, it still provides backward compatibility for legacy applications.
Are AS400 systems still in use?
Yes, AS400 systems are still used today. Many businesses and organizations rely on AS400 for their critical business processes due to its reliability, robustness, and stability. However, companies have modernized AS400 systems to leverage newer technologies and enhance efficiency.
What is AS400 Development?
AS400 development refers to creating, modifying, and maintaining software applications that run on IBM AS400 (now IBM i) systems. This development involves writing code in programming languages such as RPG (Report Program Generator), CL (Control Language), COBOL, Java, and others that are supported on the AS400 platform. AS400 development encompasses various tasks, including designing user interfaces, developing business logic, integrating with databases, testing, debugging, and deploying applications.
What is AS400 Modernization?
AS400/IBM iSeries modernization refers to updating/upgrading AS400 systems to support modern technologies, improve user experience, enhance functionality, and ensure compatibility with contemporary IT environments. This can involve migrating legacy applications to newer platforms, integrating cloud services, adopting modern development methodologies, and enhancing user interfaces to meet current business needs and industry standards.
What are the benefits of AS400 application modernization?
AS400 application modernization offers several benefits, including:
- Modernizing AS400 applications can streamline processes, reduce manual efforts, and increase productivity.
- You can add new features, improve performance, and support integration with other systems or services.
- It can help reduce maintenance costs associated with outdated technologies and legacy systems while optimizing resource utilization.
- Upgraded applications can scale more quickly to accommodate business growth and changing requirements.
- Modernization ensures compatibility with current software and hardware platforms. Therefore, it reduces the risk of obsolescence and improves interoperability.
- Updating user interfaces and workflows can enhance usability. Better application usability can improve user satisfaction and engagement.
- Modernizing applications can strengthen security measures. Robust security will protect sensitive data and systems from potential threats.
What are the challenges with AS400 application modernization?
You may face these challenges with AS400/IBM iSeries modernization without the help of a reliable AS400/IBM i modernization company:
- Older applications may have intricate code structures that can be hard to understand and modify.
- Integrating modernized AS400 applications with newer systems or cloud services can be complex and require careful planning.
- Transferring data from legacy AS400 systems to modern platforms while maintaining data integrity can be daunting.
- You may face difficulties finding developers with expertise in legacy AS400 technologies and modern development frameworks.
- Modernizing applications often involves downtime and disruption to business operations, which requires careful management.
- The initial investment required for modernization projects, including infrastructure upgrades and training, can be significant.
- Some stakeholders may resist change, mainly if they are accustomed to the familiar workflows of legacy systems.
What is an AS400/IBM i modernization company?
An AS400/IBM i modernization company is a specialized service provider with expertise in updating and enhancing AS400 applications to meet modern business needs. IBM i/AS400 modernization companies typically offer various services, including application assessment, modernization planning, user interface redesign, code optimization, data migration, integration with new technologies, and ongoing support. They leverage their experience and knowledge of AS400 systems to help businesses modernize their applications efficiently and effectively, ensuring compatibility with current technologies and optimizing performance.
Can you modernize my AS400 application while retaining its existing architecture?
We can modernize your AS400 application while retaining its existing architecture. Our approach focuses on enhancing your application's functionality, user experience, and scalability while preserving its core architecture and business logic. We can update the user interface to a modern design, optimize performance, and integrate new features/technologies to meet your evolving business needs. Our AS400 modernization services aim to maximize your application’s value and longevity while minimizing disruption to your operations.
How much time does it take to modernize an AS400 application?
The time taken for AS400 application modernization can vary depending on factors such as the complexity of the application, the extent of modernization required, the availability of resources, and any specific requirements or constraints. A simple modernization project may take a few months, while more complex projects could take six months to a year or longer. We assess your application and determine the most realistic timeline based on your needs and priorities. Contact us today for an estimated timeline for your AS400/IBM iSeries modernization project.
What is the cost of AS400 modernization?
The cost of AS400 modernization can vary widely depending on the application’s size and complexity, modernization extent, customization level, additional services, and supplementary support. We thoroughly assess your application and requirements to provide an accurate cost estimate. Contact us today to get a quote for your project.
Is AS400 modernization a cost-effective option?
Compared to replacing your entire system, modernizing your AS400 application can be a cost-effective option. Modernization helps you drive value from your initial investments.
How can I calculate the ROI of AS400 modernization?
You may assess the ROI of our AS400 modernization service by identifying potential benefits and estimating cost savings.
How does outsourcing IBM iSeries modernization services work?
Outsourcing IBM iSeries modernization services involves partnering with a specialized provider to upgrade and enhance AS400 applications. They assess your needs, develop a customized modernization plan, and handle the entire process, including updating interfaces, optimizing code, and integrating new features. Throughout the project, they provide updates and seek feedback. After completion, they may offer ongoing support and maintenance. This approach allows you to benefit from expert resources while focusing on your core business activities.
Do you offer post-modernization consulting?
Yes. We offer post-modernization consulting services to support you after completing your AS400/IBM iSeries modernization project. Our consulting services include ongoing support, maintenance, and optimization to ensure your modernized applications meet evolving business needs. We assist with troubleshooting, performance monitoring, security updates, and any additional enhancements or optimizations. We maximize the value of your modernized applications and ensure their long-term success.
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