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 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.

マニュライフとジョン・ハンコックについて

マニュライフ・ファイナンシャル・コーポレーションは、「あなたの未来に、わかりやすさを」を提供する、国際的な大手金融サービスプロバイダーです。当社について詳しくは、 lをご覧ください。

マニュライフは機会均等を是とする雇用主です

マニュライフ/ジョン・ハンコックでは、多様性を受け入れます。私たちは、サービス提供先であるお客さまと同様に、多様な人材を引きつけ、育成し、定着させ、文化や個人の力を受け入れる包括的な職場環境を促進するよう努めています。当社は公正な採用、定着、昇進、報酬に努めています。当社のすべての慣行およびプログラムは、人種、祖先、出身地、肌の色、民族的出自、市民権、宗教または宗教的信念、信条、性別（妊娠および妊娠関連の状態を含む）、性的指向、遺伝的特徴、退役軍人としての地位、性自認、性に関する表明、年齢、婚姻状況、家族状況、障害、または適用法で保護されるその他の要因に対する一切の差別を行うことなく管理されます。

雇用への平等なアクセスを提供するために、障壁を取り除くことが当社の優先事項です。人事担当者は、応募者が応募プロセス中に合理的配慮を要求する場合に協力します。配慮要求のプロセス中に共有されるすべての情報は、適用される法律およびマニュライフ/ジョン・ハンコックのポリシーに準拠した方法で保存および使用されます。申請プロセスにおいて合理的配慮を要求するには、 までご連絡をお願いします。

Referenced Salary Location CAN, Ontario, Waterloo, 500 King Street North

Working Arrangement ハイブリッド勤務

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 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.