Job Specifications
About The Role
We are seeking a Senior Back End Software Developer with deep mainframe and hierarchical database experience to support mission critical government systems. The ideal candidate brings strong technical expertise, structured development discipline, and the ability to collaborate across large enterprise teams.
Key Responsibilities
Develop, maintain, and enhance server side and mainframe applications
Translate technical and business requirements into tested, production ready solutions
Design, code, test, debug, and document applications using structured methodologies
Perform IMS DB reorganization, unload reload, and recovery control
Troubleshoot and resolve complex technical issues across environments
Collaborate with IT professionals across the full Software Development Life Cycle
Support implementation, conversion, and post deployment activities
Participate in design walkthroughs and technical reviews
Ensure performance, reliability, and responsiveness of backend systems
Produce user and system documentation as required
Mandatory Technical Requirements
Mainframe and Databases
10+ years of experience designing and developing mainframe applications
Strong expertise in IMS DB DC Full Function and FASTPATH and VSAM
Hands on experience with IMS database reorganization and recovery
Programming and Tools
10+ years of experience with Enterprise COBOL, JCL, Assembler, TSO ISPF, REXX, CLIST, BTS
Experience with CA Scheduling, MVS File Aid, and Abend Aid
Experience with CA Telon and IBM ACB, BDB, and PSB generation
Experience with CA Easytrieve and CA SAR
Experience with IBM 3270 SNA and NDM communications
Development Practices
10+ years of experience in programming and systems analysis
Strong experience with structured development methodologies
End to end experience across design, development, testing, debugging, and documentation
Domain Experience (Highly Valued)
Experience with Personal Property Security Registration PPSR or similar property registration systems
Experience working within Ontario Public Service or similar large enterprise public sector environments
Familiarity with OPS architecture, applications, databases, and systems
Understanding of Information Management principles
Knowledge of Accessibility for Ontarians with Disability Act AODA standards
Soft Skills
Strong analytical and problem solving skills
Excellent verbal and written communication skills
Ability to collaborate effectively in large structured teams
Proven ability to meet deadlines in complex environments
About the Company
Teckhorizon Inc. is a leading IT solutions and staffing company that offers innovative technology solutions and staffing services to businesses of all sizes. We specialize in a wide range of IT services, including software development, cloud computing, cybersecurity, and more, and provide high-quality IT services and staffing solutions tailored to our client's needs. Our team of experienced professionals helps clients optimize their operations and achieve their business objectives. Additionally, we offer staffing solutions t...
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