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AS/400 Developer

Square Hiring

 

Houston, TX, USA

Posted On: 30+ days ago
Experience: 12+ years
Availability: Onsite
Openings: 1
Category: AS/400 Developer
Tenure: Contract - Corp-to-Corp
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Description

>> 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: 

>> 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

Education

Bachelor's degree

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