AS/400 Developer

Request ID: 101786-1
Title: AS/400 Developer
Locations: Onsite: Houston, TX (100% Onsite)
Duration: 6 Months
Pay Range: $40- $42/Hour on W2/C2C (All inclusive)

Skills: AS400_CLP
Experience Required: 8+
Job Description:
To perform this job successfully, an individual must be able to perform each essential duty satisfactorily. The requirements listed below are representative of the knowledge, skill, and/or ability required. Reasonable accommodations may be made to enable individuals with disabilities to perform the essential functions.
• 12+ years of AS400/iSeries-based application development, support and enhancement experience
• 8+ years COBOL & AS400/iSeries architecture using ILE (COBOL, RPGLE, CLLE, QS36) + IBM DB2 (SQL, SPs, query optimization, green screen) with deep legacy modernization expertise
• 8+ years' experience in ILE modernization & AS400 performance optimization, including refactoring, tuning, and production stability
• 3+ years of strong experience with IBM Liberty (WebSphere Liberty) & WebSphere in hybrid legacy-modern architectures
• Advanced Unix/Linux proficiency (scripting, job control, cross-platform support)
• Expertise in IBM MQ (ILE MQ Series) & XML integration, including SSIS-based messaging workflows
• Proven ability to architect scalable, high-performance, mission-critical systems bridging legacy and modern platforms
• Strong analytical and problem-solving skills with the ability to gather, refine, and convert business requirements into functional requirements and working production code
• Demonstrable ability to deliver high quality work in an iterative development model
• Excellent verbal and written communication skills.
• Demonstrated ability to work independently and within a team.
• Great work ethic - meet deadlines, on-time, conscientious.
• Creative, "out of the box" thinker for application solutions
• Test-driven development is a plus.

Role Descriptions:
Responsible for developing| maintaining| enhancing| and supporting business applications running on the IBM AS400 (IBM i) platform. Works closely with business stakeholders| analysts| and technical teams to deliver efficient| reliable| and high-quality software solutions.

Key Responsibilities
Develop and maintain applications using RPG III| RPG IV (RPGLE)| CLLE| and SQLRPGLE.
Analyze business requirements and provide technical solutions
.Design| code| test| and implement IBM i applications.
Develop and maintain DB2/400 database objects| files| views| and stored procedures
.Perform application support| troubleshooting| and root cause analysis for production issues.
Create and execute unit test cases and support UAT activities.
Monitor scheduled jobs| batch processes| and system performance.
Work with source control and change management tools.
Prepare technical documentation and support knowledge transfer activities.
Collaborate with cross-functional teams for enhancements and system integrations.
Ensure compliance with organizational coding and security standards.

Essential Skills : Responsible for developing| maintaining| enhancing| and supporting business applications running on the IBM AS400 (IBM i) platform. Works closely with business stakeholders| analysts| and technical teams to deliver efficient| reliable| and high-quality software solutions.