Senior Mainframe Software Developer

The Senior Back End Software Developer will be responsible for analyzing, designing, developing, and maintaining mainframe and client-server applications primarily using PL/I and COBOL within a complex public sector environment. This role involves working with IMS and DB2 databases, integrating mid-tier services, and ensuring compliance with established technical standards and policies related to vehicle licensing and transportation safety. Responsibilities:

• Analyze current system designs and code structures to support project concept phases.
• Define and implement technical database changes in collaboration with DBA/Data Management teams.
• Create technical specifications compliant with organizational standards and conduct JAD sessions for design approval.
• Develop new and modify existing mainframe and client-server code, including online, batch, and workstation applications.
• Interface with mid-tier developers to ensure seamless integration.
• Incorporate QA technical standards into all deliverables and conduct unit and integration testing.
• Manage code retrofit and defect analysis to maintain system integrity.
• Utilize mandated management tools for code libraries and source control.
• Provide regular status reports and knowledge transfer to relevant teams and stakeholders.

• Experience with z/OS V2.2 or higher operating system.
• Proficiency with file and database management tools such as File Aid V10.1+ or IBM File Manager V13.1+.
• Expertise in IMS DB V12 or higher (HALDB and DEDB) using the PLITDLI API.
• Experience with DB2 for z/OS V11 or higher.
• 5+ years writing mainframe PL/I transactions processing XML input/output and consuming web services.
• Recent experience (within last 5 years) using PL/I V4.5 or higher.
• Experience with Fujitsu NetCOBOL V4 or higher.
• 10+ years programming and analysis experience, including Windows client applications interacting with IMS TM.

• Experience with Endevor and Harvest source control tools.
• Knowledge of Ontario s vehicle licensing and transportation safety policies.
• Experience with mainframe screen handling software (MFS) and Windows workstation screen handling software (SCREENIO).
• Familiarity with IBM Debug Tool V13.1+, Abend Aid, IBM Fault Analyzer, and IBM DFSORT utilities.
• Experience scripting for SFTP in a mainframe environment.
• Proficiency with Visual Studio 2008 or higher and Visual Studio Debugger.
• Experience writing checkpoint restartable IMS BMPs.

• IBM Mainframe Tools - 15 Points
• IBM Mainframe Databases, APIs, Source Control, and Batch Processing - 20 Points
• Client/Server Architecture and Integration - 10 Points
• Programming Languages (PL/I, COBOL) and Analysis - 25 Points
• Public Sector Knowledge and Compliance - 5 Points
• Screen Handling Expertise - 10 Points
• Windows Workstation Development Tools - 10 Points
• Connectivity and Scripting (SFTP) - 5 Points

• Detailed technical specifications and design documentation.
• Developed and tested mainframe and client-server application code.
• Status reports and progress updates for project management.
• Test data sets and unit/integration test results.
• Knowledge transfer materials for operational and IT staff.
• Defect analysis reports and corrective action implementations.

• Experience with z/OS V2.2 or higher.
• Expertise using file and database management tools (File Aid V10.1+ or IBM File Manager V13.1+).
• Experience with IMS DB V12 or higher (HALDB and DEDB) using the PLITDLI API.
• Experience with DB2 for z/OS V11 or higher.
• 5+ years experience writing mainframe PL/I transactions processing XML input/output and consuming web services.
• Recent experience using PL/I V4.5 or higher within the last 5 years.

Preferred