Software Engineer III - IBM i (AS/400) Engineer

JPMorganChase is seeking a Software Engineer III for IBM i (AS/400) within the Commercial & Investment Bank - Digital & Platform Services. The role centers on designing and delivering secure, scalable software solutions across diverse technical areas to support the firm’s objectives, with a focus on AI-assisted development and architecture artifacts. This on-site position is based in Plano, Texas.

Responsibilities

• Design, develop, and troubleshoot software solutions with the ability to think beyond routine approaches to solve complex problems.
• Produce secure, high-quality production code and maintain algorithms that integrate with the appropriate systems.
• Utilize enterprise-authorized AI coding assist tools to improve code quality, delivery speed, and productivity on complex deliverables such as code generation, refactoring, unit-test creation, and documentation.
• Validate outputs through peer reviews, automated testing, and adherence to secure coding standards.
• Share learnings and reusable patterns to enhance the overall effectiveness of the team.
• Apply knowledge of the Software Development Life Cycle toolchain, including AI-assisted development and automation capabilities, to maximize automation value.
• Produce architecture and design artifacts for complex applications and ensure design constraints are met by software implementation.
• Gather, analyze, and synthesize data to create visualizations and reports that support continuous improvement of software applications and systems.
• Proactively identify hidden problems and data patterns to drive improvements in coding hygiene and system architecture.
• Contribute to software engineering communities of practice and events exploring new and emerging technologies.

Technologies

• IBM i (AS/400) / iSeries, DB2 for i
• LANSA, Visual LANSA IDE
• IBM MQ, InfoSphere CDC / IIDR
• Java, Python (PASE environment)
• STRDBG, STRISDB, Service Entry Points, job logs, Visual Explain
• Git (Bitbucket, GitHub), Aldon LMI, Robot Scheduling, ServiceNow
• AI tools: GitHub Copilot, ChatGPT, Claude; AI-assisted development and prompt engineering
• REST, SOAP web services
• IBM i Access Client Solutions (ACS), IBM Navigator
• RDi, VS Code with Code for IBM i extension
• MIMIX, iTera, Quick-EDD, IBM PowerHA
• CLP, CLLE, RPGLE, SQLRPGLE, LANSA, Visual LANSA IDE (free-format preferred)
• ILE concepts, service programs, modular design; experience with data areas, data queues, and IPC on IBM i

Requirements

• 3+ years of applied software engineering experience and relevant formal training or certification.
• Hands-on experience using enterprise-authorized AI-assisted development tools within the work environment, with ability to critically evaluate and refine AI-generated outputs for correctness, performance, and security.
• IBM iSeries (AS/400) development experience with DB2 for i including files, views, indexes, triggers, and stored procedures.
• Experience with LANSA and Visual LANSA IDE development plus LANSA upgrade planning and execution.
• Knowledge of IBM MQ and CDC replication technologies (InfoSphere CDC / IIDR or equivalent).
• Proficiency in Java and Python on IBM i in the PASE environment; strong debugging skills (STRDBG, STRISDB, Service Entry Points, job logs, Visual Explain, remote Java/Python debugging).
• Experience with application resiliency and maintenance, including HA/DR support, PTF management, performance tuning, and remediation of technical debt.
• Familiarity with Git-based version control, Aldon LMI, Robot Scheduling, and ServiceNow.
• Understanding of responsible AI use in engineering workflows, data sensitivity considerations, secure handling of inputs/outputs, and adherence to resiliency and security expectations.
• Exposure to REST/SOAP web services from IBM i or Python/Java and familiarity with Rational Developer for i (RDi) or VS Code with Code for IBM i extension.
• Experience with ITIL foundations, SAFe or other scaled Agile frameworks, and CI/CD pipelines in an IBM i context.

Benefits

• A competitive total rewards package, with base salary determined by role, experience, skills, and location. Eligible roles may include commission-based pay and discretionary incentive compensation, paid as cash and/or forfeitable equity for individual achievements and contributions.
• Comprehensive benefits tailored to employee needs, including health care coverage, on-site health and wellness centers, a retirement savings plan, backup childcare, tuition reimbursement, mental health support, financial coaching, and more. Additional details will be provided during the hiring process.