Senior Full Stack Software Engineer

We are seeking a Senior Full‑Stack Software Engineer to help drive the roadmap for our Group Benefits Experience assets, our primary digital gateway for our Clients and Members managing their benefits and health, and a core part of how Canadians experience Manulife online. In this role, you’ll lead the evolution of modern applications built with JavaScript, React, Redux, Node.js, GraphQL, MongoDB and more, while also guiding the modernization of existing .NET and Java systems. You’ll work closely with Software, Quality and Platform Engineers in a collaborative, quality-focused team that takes pride in building reliable, performant, and secure software. This is an opportunity for an experienced engineer who is passionate about technical excellence, architecture, and building strong, healthy engineering teams in a fast-paced, outcome-driven environment. You’ll bring clarity amid shifting priorities, enable sustainable delivery without compromising quality, and help foster a culture that embraces modern engineering practices, including the thoughtful use of AI.   Position Responsibilities: Technical Leadership & Architecture Shape and evolve the end-to-end architecture in partnership with Architecture, Product and Platform teams, influencing technical strategy to modernize our stack and deliver incremental, high-value outcomes.  Design, build, and operate scalable, secure, and high-performing solutions across React front ends, Node.js APIs, GraphQL and .NET/Java ecosystems, ensuring long-term maintainability and performance.  Engineering Excellence & Delivery Elevate engineering maturity by driving best practices in testing, CI/CD, and operational excellence, using telemetry and observability tools (e.g., New Relic, Moogsoft) to continuously improve reliability and system performance.  Deliver high-quality software through disciplined craftsmanship, balancing speed with innovation while consistently raising the bar on code quality.  ​Collaboration & Culture Collaborate deeply across engineering, quality, and cross-functional teams through pairing, mentoring, and thoughtful code reviews to build a strong, inclusive, and high-performing culture.  Contribute to and leverage open source and inner source ecosystems, creating reusable capabilities and sharing knowledge that scales across teams.  ​AI-Enabled Innovation & Ownership  Champion the responsible use of AI tools to accelerate development, reduce manual effort, and enhance decision-making while maintaining high standards for safety, quality, and compliance.  Bring curiosity, ownership, and pride to your work, continuously learning, improving, and delivering impactful solutions that benefit both customers and the broader engineering organization. Required Qualifications: Full-stackexpertise: JavaScript/TypeScript, React, Node.js, GraphQL; exposure to .NET/Java  Extensive experience on Cloud Platforms, Azure Kubernetes, K9s, Terraform, MongoDB Atlas  Experience designing scalable, secure product solutions, and reusable engineering assets.  Ability to drive engineering maturity, testing automation, CI/CD, and observability practices  Strong risk-aware mindset with ability to balance technical delivery with risk at all times  Preferred Qualifications: Experience working in Scaled Agile environments is preferred Experience mentoring and coaching engineers, and a commitment to building your own skills through continuous learning and exploration Experience building responsible AI agents, skills and integrating capabilities into development pipelines When you join our team: 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. #LI-Hybrid The role being advertised is an existing vacancy.About Manulife and John HancockManulife 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 EmployerAt 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 View email address on click.appcast.io Salary LocationWaterloo, OntarioWorking ArrangementHybridSalary range is expected to be between$113,000.00 CAD - $163,000.00 CADEmployees 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 View email address on click.appcast.io 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 View email address on click.appcast.io 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.SummaryLocation: Waterloo, Ontario; Toronto, OntarioType: Full time