PowerBuilder Developer to support a business-critical legacy system through ongoing sustainment,bug fixes,and small Job Calgary area

Power Builder 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 Power Builder 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 Power Builder Data Window
, stored procedures, queries, and backend integrations

Ability to troubleshoot complex production issues and deliver stable fixes quickly

Experience with in 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 Power Builder 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

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