Senior Full-Stack Software Engineer

We are seeking a Senior Full Stack Software Engineer to design, build, and support scalable, secure, and accessible software solutions. In this role, you will contribute across the full technology stack—from user-facing interfaces to backend services and cloud infrastructure—while providing technical guidance and mentorship within the team.

You will collaborate closely with product, design, and engineering partners to deliver high-quality solutions that meet user needs and business objectives. We welcome candidates from diverse backgrounds who are passionate about building impactful technology.

Position Responsibilities:

Understand the full technology ecosystem (frontend to backend) and contribute to evolving the technical strategy to deliver incremental value

Design, develop, and deploy end-to-end features across frontend, backend, APIs, and infrastructure

Contribute to architectural and technical design decisions with a focus on scalability, performance, security, and reliability

Partner with cross-functional teams (product, design, engineering) to define requirements and deliver solutions

Contribute to and leverage open-source and inner-source projects such as MUX (UI component library)

Build and maintain CI/CD pipelines using tools such as Azure DevOps, GitHub Actions, or similar technologies

Enhance system performance and reliability through monitoring and observability tools (e.g., New Relic, logging, telemetry)

Troubleshoot and resolve complex, cross-stack issues by identifying root causes and implementing sustainable solutions

Participate in code reviews and contribute to shared engineering standards, best practices, and documentation

Collaborate through pair programming to learn, mentor, and support team members

Stay current with emerging technologies and evaluate their applicability to the product ecosystem

Required Qualifications:

Minimum 8+ years of experience in full stack software development

Proven experience delivering production-grade systems as a full stack or software engineer

Hands-on experience with cloud platforms and tools (e.g., Azure, Jenkins, Snyk, or similar)

Experience with containerization technologies such as Docker and Kubernetes

Experience implementing CI/CD pipelines and modern DevOps practices

Understanding of performance optimization, accessibility standards, and responsive design principles

Experience providing technical guidance, mentorship, or leadership within a team

Experience building frontend and backend applications using modern frameworks (e.g., React, .NET, Java)

Experience designing, building, and maintaining scalable APIs

Experience working in Agile environments and using tools such as Jira for task tracking

Preferred Qualifications:

Experience designing or supporting distributed systems

Strong problem-solving and systems-thinking abilities

Clear and collaborative communication skills

Demonstrated commitment to continuous learning and improving engineering practices

Experience working in cross-functional or Agile teams

Experience in insurance, financial services, or banking industries

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 distributed 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 https://www.manulife.com/en/about/our-story.html .

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 hr@manulife.com .

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 hr@manulife.com 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 hr@manulife.com 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 .