Senior Back-End Software Engineer (Waterloo Regional …, Waterloo Regional Municipality

This role provides the chance to lead and shape Manulife’s core mainframe platforms that underpin critical business capabilities. You will drive the design, modernization, and operational excellence of mission‑critical systems, ensuring reliability, security, and scalability while enabling integration with modern digital and cloud ecosystems. The role contributes directly to Manulife’s mission by setting engineering standards, leading complex initiatives, and influencing technical direction across multiple teams. Position Responsibilities - Designs, develops, tests, and deploys secure, scalable back‑end components across core mainframe platforms - Translates business and functional requirements into clear technical designs, specifications, and user stories - Builds and maintains integrations between mainframe systems and distributed or cloud‑based services using APIs and messaging patterns - Ensures high availability, performance, and data integrity through optimization of batch, online, and database processing - Leads or contributes to code reviews, production support, and continuous improvement of engineering standards and practices Required Qualifications - 10+ years of hands‑on mainframe engineering experience delivering enterprise‑scale solutions - 10+ years of experience with COBOL, DB2, CICS, VSAM, JCL and related mainframe utilities - Experience working with mainframe integration technologies (e.g., z/OS Connect, REST APIs) - Experience supporting production systems and resolving complex incidents in regulated environments - Post‑secondary education in Computer Science, Engineering, or equivalent practical experience Preferred Qualifications - Experience leading projects or workstreams across multiple teams or geographies - Exposure to mainframe modernization and hybrid (mainframe + cloud) architectures - Experience with CI/CD practices and automation in a mainframe or multi‑platform environment - Strong understanding of security, data protection, and access controls for sensitive systems - Ability to mentor engineers and influence engineering practices across teams Benefits - We’ll empower you to learn and grow the career you want. - We’ll recognize and support you in a flexible environment where well‑being and inclusion are more than just words. - As part of our global team, we’ll support you in shaping the future you want to see. The role being advertised is an existing vacancy. About Manulife and John Hancock Manulife Financial Corporation is a leading international financial services provider, helping people make their decisions easier and lives better. To learn more about us, visit Manulife is an Equal Opportunity Employer At Manulife/John Hancock, we embrace our diversity. We strive to attract, develop and retain a workforce that is as diverse as the customers we serve and to foster an inclusive work environment that embraces the strength of cultures and individuals. We are committed to fair recruitment, retention, advancement and compensation, and we administer all of our practices and programs without discrimination on the basis of race, ancestry, place of origin, colour, ethnic origin, citizenship, religion or religious beliefs, creed, sex (including pregnancy and pregnancy‑related conditions), sexual orientation, genetic characteristics, veteran status, gender identity, gender expression, age, marital status, family status, disability, or any other ground protected by applicable law. It is our priority to remove barriers to provide equal access to employment. A Human Resources representative will work with applicants who request a reasonable accommodation during the application process. All information shared during the accommodation request process will be stored and used in a manner that is consistent with applicable laws and Manulife/John Hancock policies. To request a reasonable accommodation in the application process, contact Referenced Salary Location Waterloo, Ontario Working Arrangement Hybrid Salary range is expected to be between $113,000.00 CAD - $163,000.00 CAD Employees also have the opportunity to participate in incentive programs and earn incentive compensation tied to business and individual performance. The actual salary will vary depending on local market conditions, geography and relevant job‑related factors such as knowledge, skills, qualifications, experience, and education/training. If you are applying for this role outside of the primary location, please contact for the salary range for your location. Manulife offers eligible employees a wide array of customizable benefits, including health, dental, mental health, vision, short‑and‑long‑term disability, life and AD&D; insurance coverage, adoption/surrogacy and wellness benefits, and employee/family assistance plans. We also offer eligible employees various retirement savings plans (including pension and a global share ownership plan with employer matching contributions) and financial education and counseling resources. Our generous paid time off program in Canada includes holidays, vacation, personal, and sick days, and we offer the full range of statutory leaves of absence. If you are applying for this role in the U.S., please contact for more information about U.S.-specific paid time off provisions. We use data and analytics technologies, such as artificial intelligence (AI), and automated processing tools, to analyze and process the information you provide to us or third parties in the application process. For more information, please refer to our personal information collection statement. #J-18808-Ljbffr Apply on Kit Job: kitjob.ca/job/2o1rte