Senior Full-Stack 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 Node.js backend servicesContribute to system architecture and technical design, including APIs, data models, caching strategies, and service decompositionWrite clean, well-tested, production-ready TypeScript across mobile and backend codebasesBuild performant, accessible mobile experiences using React Native, Expo, React Query, and UniwindDevelop and maintain backend services integrated with Azure Kubernetes Service (AKS) and RedisParticipate in architecture reviews, propose solutions, and document design decisionsEnhance CI/CD pipelines using GitHub Actions to support fast, reliable deploymentsImplement observability with New Relic to monitor and optimize application performanceMentor engineers through code reviews, pairing, and knowledge sharingCollaborate with product and design teams to translate requirements into scalable technical solutions Required Qualifications 5+ years of experience in full-stack software developmentStrong proficiency in TypeScript across frontend and backendHands-on experience with React Native and ExpoExperience with React Query (TanStack Query) for state management and data fetchingBackend development experience with Node.jsWorking knowledge of Redis (caching, queues, session management)Experience with Azure cloud services, including AKSFamiliarity with GitHub Actions for CI/CDExperience with New Relic or similar observability toolsDemonstrated 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 systemsDesign scalable APIs and services to support evolving business needsIdentify 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 practicesFamiliarity with Kubernetes networking, Istio, or service mesh patternsExperience with event-driven architectures or message queuesContributions 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 https://www.manulife.com/en/about/our-story.html. 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 hr@manulife.com. Referenced Salary Location CAN, Ontario, Waterloo, 500 King Street North 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.