Senior Mobile Software Engineer

Job summary

Design, build, test, and maintain full-stack features for React Native mobile applications and Node.js backend services, including APIs, data models, caching, and service integrations. Contribute to architecture and engineering standards, improve deployment and observability practices, and mentor engineers while collaborating with product and design teams.

Job details

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 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 Node.js 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 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.

What you’ll do

Design, build, test, and maintain full-stack features for React Native mobile applications and Node.js backend services, including APIs, data models, caching, and service integrations. Contribute to architecture and engineering standards, improve deployment and observability practices, and mentor engineers while collaborating with product and design teams.

Requirements

Requires at least five years of full-stack software development experience, strong TypeScript skills, and hands-on experience with React Native, Expo, React Query, and Node.js. Candidates should also have experience with Redis, Azure AKS, GitHub Actions, observability tools, testing strategies, architectural decisions, and communicating technical trade-offs.

Benefits

• Health Insurance • Dental Insurance • Mental Health Benefits • Vision Insurance • Short-Term Disability Insurance • Long-Term Disability Insurance • Life and Accidental Death and Dismemberment Insurance • Adoption and Surrogacy Benefits • Wellness Benefits • Employee and Family Assistance Plans • Retirement Savings Plans • Pension Plan • Global Share Ownership Plan with Employer Matching • Financial Education and Counseling • Paid Holidays • Vacation • Personal Days • Sick Days • Statutory Leaves of Absence • Incentive Compensation

Listed skills

• Node.js · Preferred
• CI/CD · Preferred
• Automated testing · Preferred
• Redis · Preferred
• TypeScript · Preferred

Other relevant skills

Identified from the job description. Confirm important requirements above.

• TypeScript
• React Native
• Expo
• React Query
• Node.js
• NestJS
• Redis
• Azure Kubernetes Service
• GitHub Actions
• New Relic
• API Design
• System Architecture
• Automated Testing
• CI/CD
• Mobile Security
• Technical Mentoring
• Istio
• Full Stack Development
• Workplace Inclusivity
• Tailwind CSS
• Pipelines
• Back End (Software Engineering)
• Observability
• Time Off Management
• Expo (Application Development Framework)
• Technical Leadership
• Technical Design
• Information Gathering
• Azure Cloud Services
• Application Programming Interface (API)
• Artificial Intelligence
• Application Performance Management
• Automation
• Mental Health
• Management
• Mobile Application Development
• Code Review
• Communication
• CSS Frameworks
• Data Modeling
• Event-Driven Programming
• Financial Education
• Front End Design
• Github
• International Finance
• Scalability
• Node.js (Javascript Library)
• Open Source Technology
• Systems Architecture
• Systems Design

Job areas

• Software
• Technology
• Engineering
• Finance & Accounting
• Mobile Software Engineer
• Mobile Developer / Engineer
• Applications Programmers
• Software Developers