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# AS400 Developer (IBM i / RPG

- **Company:** Cornerstone Barricades
- **Location:** King of Prussia, PA, United States
- **Experience:** Expert
- **Salary:** $83,200.0 - $104,000.0
- **Contract:** Permanent contract
- **Skills:** Db2400, IBM System I, Computer Programming, Databases, Database Development, IBM RPG (Programming Language), SQL Databases
- **Published:** November 6, 2026
- **Apply:** https://skillsbay.betterteam.com/senior-as400-developer-(ibm-i-rpg)/apply

## About the Role

* 10+ years' experience in IBM i / AS400 development.
 * Strong hands-on programming skills in RPG, RPGLE, and CL.
 * Solid experience with DB2/400 and SQL/400.
 * Proven experience providing production support and troubleshooting complex applications.
 * Strong analytical, problem-solving, and communication skills.
 * Ability to work independently within an established technical environment.

## Description

We are seeking an experienced Senior AS400 Developer for a long-term contract opportunity based in King of Prussia, PA.
The successful candidate will have extensive hands-on experience with IBM i (AS400) development, RPG programming, database technologies, and production support within a complex enterprise environment., * Develop, maintain and enhance applications within the IBM i / AS400 environment.

 * Design, code, test and troubleshoot applications using RPG, RPGLE and CL.
 * Work with DB2/400 and SQL/400 for database development and optimisation.
 * Provide production support, investigate issues, and implement effective resolutions.
 * Collaborate with technical teams and business stakeholders to deliver system improvements.
 * Support application maintenance, enhancements, and ongoing system stability., * Applicants must be based in the Philadelphia / King of Prussia area and available to work onsite five days per week.
 * The interview process includes two virtual interviews followed by a final face-to-face interview.
 * Applicants must have valid US work authorisation. OPT candidates cannot be considered.