Senior IBMi Application Developer

Posted: 12/03/2025

Information Technology

Johnston Group provides employee benefit solutions to over 30,000 companies, ranging from one employee to thousands across various product lines, including Chambers of Commerce Group Insurance Plan, Canada's #1 employee benefits plan for small businesses. JG is a platinum member of
Canada's Best Managed Companies
and was named one of
Manitoba's Top Employers
. We support a positive work atmosphere where we value the diversity in the people we serve and are looking for talent who will contribute to our diverse and inclusive workplace; where individual differences are recognized, appreciated, and respected. JG believes in giving back and contributes significantly to local health, arts, sports, and other community organizations.

Reporting to the Manager of Application Development and Support, the Senior IBMi Application Developer is responsible for developing, testing, implementing, and maintaining custom IBMi applications that support core business operations. This role brings deep expertise in the IBMi operating system and development environment and plays a key role in supporting users, improving application performance, and contributing to longer-term technical direction.

The successful candidate will collaborate closely with development teams, database administrators, business analysts, and business partners to deliver high-quality, scalable solutions that meet project requirements and quality standards. In addition to hands-on development, this role provides comprehensive application support, prepares technical documentation, contributes to architectural and enhancement discussions, and drives continuous improvement through modernization and software enhancements.

This position also supports knowledge sharing and mentorship within the team and requires the ability to work independently or collaboratively, depending on project needs.

• Hybrid working model based out of our Winnipeg, MB office, with three days in-office per week.

Key Responsibilities

• Develop, test, implement, and maintain IBMi enterprise applications with a focus on quality, scalability, reliability, and long-term support.
• Provide timely and effective application support to users, management, and business partners, including investigation, troubleshooting, and resolution of issues.
• Collaborate with IT teams and business units on project requirements, technical standards, quality expectations, and delivery timelines.
• Prepare and maintain clear technical documentation to support application consistency, knowledge transfer, and ongoing system maintenance.
• Participate in technical discussions and provide informed recommendations related to application architecture, enhancements, and modernization initiatives.
• Identify, recommend, and implement software improvements to support operational efficiency, system stability, and continuous improvement.
• Share knowledge and mentor team members in a supportive, professional manner, contributing to team capability and development.
• Participate in on-call rotation and support application deployments and issue resolution during off-hours, as required by operational needs

Qualifications

• College or University degree in Computer Science or a related field, or an equivalent combination of education and experience.
• Minimum of 5 years of application development experience, with strong hands-on expertise using IBMi/AS400, DB2, and RPGLE in enterprise environments.
• Experience working in multi-platform environments, including IBMi, and collaborating effectively with teams less familiar with the platform.
• Strong analytical and problem-solving skills, with the ability to troubleshoot complex technical issues and implement practical solutions.
• Excellent verbal and written communication skills, with the ability to work effectively with both technical and non-technical stakeholders.
• Demonstrated ability to understand user needs and provide responsive, practical, and timely application support.
• Training or hands-on experience with SQL and GIT, applied in a development or support context, is considered an asset.
• Familiarity with development tools such as Rational Developer for i (RDi) and Visual Studio Code is considered an asset.
• Experience supporting or leading application modernization efforts is considered an asset.
• Working knowledge of Lean and Agile principles and practices within a development or delivery environment.
• Experience in the insurance or group benefits industry, particularly in regulated environments, is considered a strong asset.
• Previous experience in a leadership, mentoring, or senior technical role is considered an asset.

The successful candidate must be legally eligible to work in Canada. We thank all applicants for their interest. Please note that only those selected for an interview will be contacted.

JG welcomes the opportunity to provide accommodation throughout the selection process. Please contact us to discuss your requirements by email at or by phone at

Johnston Group Inc.

Karlo Clarete, HR Business Partner

• 1051 King Edward St. Winnipeg MB R3H0R4
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Additional Postings available from Johnston Group Inc.

Senior Project Manager

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