AS/400 Developer

Artech Information Systems LLC

Houston, TX, United States

12 days ago

Role details

Contract type

Temporary contract

Employment type

Full-time (> 32 hours)

Experience level

Expert

Experience required

3 years minimum

Compensation

$83,200.0 - $87,360.0

Working hours

Regular working hours

Job source

www.careerjet.com

Tech stack

Db2400 IBM System I Architectural Patterns Unit Testing Business Software COBOL (Programming Language) IBM DB2 IBM WebSphere MQ IBM RPG (Programming Language) IBM Websphere Application Server Iterative and Incremental Development Performance Tuning

+13 more

Query Optimization Software Engineering Software Systems SQL Stored Procedures SQL Databases SQL Server Integration Services Systems Integration Extensible Markup Language (XML) SharePoint Portal Server Test-Driven Development (TDD) Production Code Code Restructuring Software Version Control

Job description

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.

Requirements

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.