Senior Mobile Software Engineer

Location: Toronto

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 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

Required Qualifications 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 AKSFamiliarity 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 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 .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  Salary Location CAN, Ontario, Waterloo, 500 King Street North Working Arrangement Hybrid Salary  range is expected to be between$ CAD - $ CADEmployees…