As400 Application Development

IBM iSeries/AS400 Application Development

We are Programmers, as a specialist in IBMi (AS/400, iSeries and Power Systems)and have years of experience working on technologies relating to the IBM midrange platform. This includes RPG/400, COBOL/400, AS/SET, J2EE, WebSphere, Domino/Notes, and the LANSA development environment. Our highly-trained and specialized IT personnel works in a dynamic team-oriented environment that enables them to deliver projects on time and within budget. The Programmers iSeries team is able to pick up, complete or support projects, including legacy applications, in every stage of its application and development.

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Our As400 Application Development and Maintenance Capabilities Include

  • AS/400 application development, support, and enhancements
  • Application Development and Enhancement using RPG (fixed and Free format), COBOL, Synon, and Java
  • Change/enhancements for existing applications
  • Web services applications in Java for WebSphere Application Server
  • Web Application support and development for IBMi on Java/.NET/Node JS
  • Enabling Web API’s using IBM web service (web service hosting)
  • Third-party application systems administration and support
  • Performance enhancement of AS400 applications.
  • Languages – CL/400, RPG/400, CBL/400, SQL 400, CLLE, RPGLE, SQLRPGLE, Stored Procedures, Free Format Coding
  • Development Tools – Lansa, Synon, ASNA, GeneXus, AS/SET, WebSphere(R) Development Studio
  • Impact Analysis Tools – X-ANALYSIS, HAWKEYE Pathfinder
  • Testing Tools – Testbench, Test Link, Test Director
  • Utility Tools – QRY/400, TAATOOL, MIMIX, REMEDY, FILE ZILLA, XML, etc.
  • Job Schedulers – ROBOT, AJS
  • Change Management – Aldon, Thenon, Turnover, Implementor

What Makes Us Unique


Legacy & Modern Platform Support

  • Experts who understand both legacy and modern platforms
  • Certified programmers with SME and large enterprise experience
  • Onsite or Remote Support

Performance Guarantee

  • Try us for thirty days
  • If you are not happy, you will not be invoiced
  • No Upfront Fee

Transparent Billing

  • Fixed monthly pricing
  • No overtime charges
  • No long term agreements

Our programmers were featured in IBM Fresh Faces. Learn more - Hc Arrow

Happy Customers100% of our customers would recommend us to a friend

Happy Customers

Clients' Experiences

Our clients return to us, saying we’re high performing, reliable, helpful, quick and productive.

granicus has been so helpful. We have been using them for over 18 months and I am constantly looking for more projects to send them.

Director, Implementation and Support, Land & Vitals Granicus


The team is performing really well. They are learning fast and work with our team and culture well.

Applications Director Western National Insurance


The team at has been fantastic. I was surprised at how fast they learned our system and were producing code...

EDI Manager Saia