> Markdown version of [/jobs/ext/2141732-ibm-iseries-as-400-developer](https://www.wearedevelopers.com/jobs/ext/2141732-ibm-iseries-as-400-developer). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md).

---

# IBM iSeries / AS/400 Developer

- **Company:** CS Solutions, Inc.
- **Location:** Eden Prairie, United States (Remote available)
- **Contract:** Permanent contract
- **Skills:** Db2400, Java (Programming Language), PHP (Programming Language), Application Programming Interfaces (APIs), Application Performance Management, IBM System I, Computer Programming, Database Queries, Database Schema, IBM RPG (Programming Language), JSON, PHP Development, Systems Development Life Cycle, Software Engineering, SQL Stored Procedures, SQL Databases, RPL (Programming Language), Systems Integration, Web Services, Extensible Markup Language (XML), Restful APIs
- **Published:** August 20, 2026
- **Apply:** https://www.dice.com/job-detail/ce2babf8-60a7-4f42-a080-2af5f5689128

## About the Role

* Strong experience with IBM iSeries / AS/400.
 * Hands-on programming experience with:

 * RPG III
 * RPG IV
 * RPGLE / ILE RPG
 * Free Format RPG preferred

Strong experience with Java development and integration.

Hands-on experience with PHP development.

Experience with DB2 for i / DB2/400 and SQL.

Knowledge of CL/CLLE programming.

Experience with REST APIs, Web Services, JSON, and XML.

Experience troubleshooting and supporting enterprise production applications.

Strong analytical and problem-solving skills.

Ability to work independently in a remote environment.

## Description

We are seeking an experienced IBM iSeries (AS/400) Programmer/Developer with strong expertise in RPG III, RPG IV/RPGLE, Java, and PHP. The ideal candidate will be responsible for designing, developing, enhancing, and supporting business-critical applications on the IBM i platform., * Design, develop, test, and maintain applications on IBM iSeries / AS/400 platforms.

 * Develop and enhance applications using RPG III, RPG IV, RPGLE, and ILE RPG.
 * Analyze existing legacy applications and support modernization initiatives.
 * Develop integrations between IBM i applications and external applications using Java and PHP.
 * Work with DB2 for i / DB2/400, SQL, stored procedures, and database objects.
 * Develop and support APIs, web services, and system integrations.
 * Troubleshoot production issues, perform root-cause analysis, and provide timely resolutions.
 * Optimize application performance and database queries.
 * Participate in application design, coding, testing, deployment, and production support.
 * Collaborate with business analysts, QA teams, architects, and other development teams.
 * Maintain technical documentation and follow established SDLC and coding standards.
 * Participate in modernization and migration initiatives involving legacy IBM i applications.


## Related Videos

- [Building with IBM Bob](https://www.wearedevelopers.com/videos/100275-building-with-ibm-bob)
- [Rest API Antipatterns](https://www.wearedevelopers.com/videos/100208-rest-api-antipatterns)
- [Tips and Tricks for Working with JSON](https://www.wearedevelopers.com/videos/1229-tips-and-tricks-for-working-with-json)
- [Can This Elephant Dance? IBM Bob and the Future of AI-First Software Development](https://www.wearedevelopers.com/videos/100256-can-this-elephant-dance-ibm-bob-and-the-future-of-ai-first-software-development)
- [REST In Peace: Why LLMs Can't CRUD](https://www.wearedevelopers.com/videos/100272-rest-in-peace-why-llms-can-t-crud)
- [Introducing JSON Structure](https://www.wearedevelopers.com/videos/100219-introducing-json-structure)

## Related Articles

- [93 Java Interview Questions You Should Prepare For](https://www.wearedevelopers.com/magazine/14-93-java-interview-questions-you-should-prepare-for)
- [Highest Paying Tech Companies for Developers](https://www.wearedevelopers.com/magazine/220-highest-paying-tech-companies-for-developers)
- [Is Software Engineering Over-Saturated?](https://www.wearedevelopers.com/magazine/418-is-software-engineering-over-saturated)
- [10 Highest Paying Programming Languages 2025](https://www.wearedevelopers.com/magazine/150-10-highest-paying-programming-languages-2025)
- [Should senior developers refuse interview coding challenges?](https://www.wearedevelopers.com/magazine/29-should-senior-developers-refuse-interview-coding-challenges)
- [Software Developer Salary in Switzerland [2023]](https://www.wearedevelopers.com/magazine/215-software-developer-salary-in-switzerland-2023)