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S.i. Systems
PowerBuilder Developer to support a business-critical legacy system through ongoing sustainment,S.i. Systems • Calgary
PowerBuilder Developer to support a business-critical legacy system through ongoing sustainment,

PowerBuilder Developer to support a business-critical legacy system through ongoing sustainment,

S.i. Systems • Calgary
30+ days ago
Job type
  • Full-time
Job description

PowerBuilder Developer to support a business-critical legacy system through ongoing sustainment, bug fixes, and small enhancements. The immediate focus will be maintaining system stability, resolving defects, and ensuring reliable day-to-day operations.

4 days in office in Calgary

In the future, this role could offer the opportunity to contribute to the organization’s future modernization journey, helping evolve the platform and support long-term transformation initiatives.

Must-Haves

  • 5+ years of hands-on PowerBuilder development experience supporting business critical legacy applications
  • Strong experience supporting and enhancing legacy application environments
  • Proven experience with bug fixes, production support, sustainment, and issue resolution
  • Strong knowledge of SQL and relational databases (SQL Server, Oracle, Sybase, or similar)
  • Experience with PowerBuilder DataWindow, stored procedures, queries, and backend integrations
  • Ability to troubleshoot complex production issues and deliver stable fixes quickly
  • Experience within Oil and Gas industry preferrable within Pipeline industry
  • Strong communication skills and ability to work with business and technical stakeholders

Nice-to-Haves

  • Exposure to application modernization, migration, or transformation initiatives
  • Experience with APIs, middleware, or systems integration
  • Knowledge of .NET, Java, web technologies, or cloud platforms
  • Familiarity with Agile, Waterfall, or hybrid delivery environments
  • Experience documenting legacy systems and translating business logic into future-state requirements
  • Experience mentoring junior developers or supporting knowledge transfer

Responsibilities

  • Provide ongoing sustainment and support for a business-critical legacy system
  • Investigate, troubleshoot, and resolve production defects and user-reported issues
  • Deliver small enhancements, change requests, and maintenance releases
  • Maintain system stability, performance, and reliability in day-to-day operations
  • Analyze existing PowerBuilder code and recommend improvements where appropriate
  • Collaborate with business users, analysts, and technical teams to understand requirements and prioritize fixes
  • Support release management, testing, and deployment activities
  • Contribute to documentation of existing functionality, workflows, and technical dependencies
  • Assist with planning and execution of future modernization initiatives as priorities evolve
  • Provide technical insight to help transition the platform toward future-state technologies


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PowerBuilder Developer to support a business-critical legacy system through ongoing sustainment, bug fixes, and small enhancements. • Calgary

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