AS400 Senior Developer

Title: AS400 Senior Developer

Location: Dallas, TX (Hybrid)

Type: Contract

• We are looking for a top-quality candidate who can contribute to a critical project and confidently manage direct stakeholder interactions.
• Please do additional diligence and assessment beyond traditional sourcing methods before submitting any candidate profiles. We are looking for exceptional talent with proven capability and reliability.

Overview:

• The AS400 Developer is responsible for the full software development lifecycle of core business applications. This includes analyzing requirements, writing high-quality code, optimizing database performance, and integrating legacy systems with modern web services or APIs.

Key Responsibilities

• Write Code: Develop and modify application software using RPG III/IV, RPG LE, Free-Form RPG, and Control Language (CL).
• Manage Databases: Design, maintain, and optimize DB2 for i databases using SQL, DDL, and DDS.
• Modernize Systems: Convert legacy green-screen applications into modern, web-enabled interfaces or modern RPG architectures.
• Integrate APIs: Build and consume RESTful web services to connect the AS400 system with external applications.
• Troubleshoot Issues: Debug complex software anomalies, optimize long-running batch jobs, and resolve production critical errors.
• Test Code: Conduct thorough unit testing, system integration testing, and support user acceptance testing (UAT).
• Document Work: Create detailed technical specifications, system workflows, and operational runbooks. [2, 3, 4, 5, 6]