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.

• Design, develop, test, and maintain full-stack features across React Native mobile apps and Node.js backend services
• Contribute to system architecture and technical design, including APIs, data models, caching strategies, and service decomposition
• Write clean, well-tested, production-ready Type Script 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 Git Hub 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

• 5+ years of experience in full-stack software development
• Strong proficiency in Type Script across frontend and backend
• Hands-on experience with React Native and Expo
• Experience with React Query (Tan Stack Query) for state management and data fetching
• Backend development experience with Node.js
• Working knowledge of Redis (caching, queues, session management)
• Experience with Azure cloud services, including AKS
• Familiarity with Git Hub 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

• 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

• 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

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.

CAN, Ontario, Waterloo, 500 King Street North

Hybrid

$ CAD - $ CAD

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.