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

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