Senior Mobile Software Engineer

About the Role

As a Senior Mobile Software Engineer within our US Retirement technology organization you will design build and deliver high-quality mobile and backend solutions for our Retirement customers. Working across the full stack you will develop React Native applications and NestJS services contribute to architectural decisions and help elevate engineering standards. You will partner closely with Product Owners UX Designers architects and engineers to deliver impactful digital experiences.

Key Responsibilities

• Design develop test and maintain full-stack features across React Native mobile apps and backend services
• Contribute to system architecture and technical design including APIs data models caching strategies and service decomposition
• Write clean well-tested production-ready TypeScript across mobile and backend codebases
• Build performant accessible mobile experiences using React Native Expo React Query and Uniwind
• Develop and maintain backend services integrated with Azure Kubernetes Service (AKS) and Redis
• Participate in architecture reviews propose solutions and document design decisions
• Enhance CI/CD pipelines using GitHub Actions to support fast reliable deployments
• Implement observability with New Relic to monitor and optimize application performance
• Mentor engineers through code reviews pairing and knowledge sharing
• Collaborate with product and design teams to translate requirements into scalable technical solutions

Required Qualifications

• 5 years of experience in full-stack software development
• Strong proficiency in TypeScript across frontend and backend
• Hands-on experience with React Native and Expo
• Experience with React Query (TanStack Query) for state management and data fetching
• Backend development experience with
• Working knowledge of Redis (caching queues session management)
• Experience with Azure cloud services including AKS
• Familiarity with GitHub Actions for CI/CD
• Experience with New Relic or similar observability tools
• Demonstrated ability to make architectural decisions (API design scalability performance)
• Strong understanding of testing strategies (unit integration E2E)
• Excellent communication and ability to articulate technical trade-offs

Architecture & Technical Leadership

• Contribute to and drive architectural decisions for mobile and backend systems
• Design scalable APIs and services to support evolving business needs
• Identify and address technical debt performance issues and reliability risks

Nice to Have

• Experience with Tailwind or Uniwind (utility-first CSS frameworks)
• Knowledge of mobile security and secure storage practices
• Familiarity with Kubernetes networking Istio or service mesh patterns
• Experience with event-driven architectures or message queues
• Contributions to open-source projects

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 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

CAN Ontario Waterloo 500 King Street North

Working Arrangement

Hybrid

Salary range is expected to be between

$113000.00 CAD - $163000.00 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.

Required Experience:

Senior IC

Employment Type : Full-Time
Experience: years
Vacancy: 1