Senior Full-Stack AI Engineer

As a Senior AI Engineer, you will be responsible for Full-Stack Software Development i.e. building modern, cloud-based, and AI-enabled applications that help Manulife make decisions easier and lives better. You will contribute to the design, development, and delivery of scalable and secure enterprise applications while integrating AI capabilities into business workflows. The role partners closely with engineers, product owner, cross-functional technology teams, risk and security partners, and business stakeholders to build secure, reliable, user-focused, and production-ready applications using modern engineering practices across the Software Development LifeCycle (SDLC).

Position Responsibilities

• AI-Enabled Application Development: Design, build, and integrate AI-enabled and Generative AI features, following security, responsible AI, and enterprise governance practices. Lead practical AI application patterns including Large Language Models (LLMs), prompt engineering, and orchestration, retrieval-augmented generation (RAG), semantic search, model evaluation, guardrails, and human-in-the-loop workflows for text-heavy and data-intensive enterprise use cases.
• Full-Stack Engineering & Delivery: Design, develop, test, and maintain full-stack applications including user interfaces, APIs, backend services, and integration layers for scalable enterprise applications with AI-enabled capabilities driving measurable outcomes. Translate complex business, risk, and operational requirements into secure, scalable, maintainable, and measurable technical solutions that improve decision-making, productivity, automation, and business value. Establish and follow best engineering practices for AI-enabled application lifecycle management, performance monitoring, value tracking, evaluation, and continuous improvement. Collaborate with engineers, product teams, and stakeholders on design, code reviews, troubleshooting, documentation, and continuous improvement.
• Cloud, Architecture & Stakeholder Collaboration: Support the adoption of modern software engineering patterns, cloud-native practices with exposure to Microsoft Azure Cloud, API-driven architectures, and AI-enabled development approaches.
• Strategy, Governance & Risk Management: Contribute to AI and data strategy by identifying reusable engineering patterns, scalable AI assets, data enrichment opportunities, and practical modernization paths for enterprise application delivery. Act as a trusted technical contributor to business, technology, risk, security, and product leaders by influencing design patterns, clarifying blockers, and supporting delivery with clear technical expertise.

Required Qualifications

• 7 years of industry experience in full-stack application design and development such as frontend, backend, APIs, databases, integration layers, or cloud-based platforms, with at least 1 year of experience AI-enabled application delivery, preferably within financial services, insurance, risk, or highly regulated environment.
• 1 year of hands-on experience with Generative and Agentic AI, including Large Language Models (LLMs), prompt engineering, retrieval-augmented generation (RAG), AI governance, and responsible AI practices.
• Strong hands-on experience with Python for backend development, API integration or AI-enabled application workflows.
• Strong experience building modern frontend and full-stack web applications using React JS.
• Experience designing, building, and supporting REST APIs, backend services, microservices, and integration layers across enterprise systems.
• Experience working with relational databases such as Azure SQL and PostgreSQL including SQL query development, application integration, data modeling concepts, and support for data-driven application features.
• Practical experience with cloud-based application development or support using Microsoft Azure.
• Experience with CI/CD pipelines, secure coding practices and production support practices, including logging and monitoring capabilities.

When you join our team: We’ll empower you to learn and grow the career you want. We’ll recognize and support you in a flexible environment where well-being and inclusion are more than just words. As part of our global team, we’ll support you in shaping the future you want to see.

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.

Referenced Salary Location Toronto, Ontario

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 for the salary range for your location.

• health
• dental
• mental health
• vision
• short- and long-term disability
• life and ADD insurance coverage
• adoption/surrogacy and wellness benefits
• 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.

We're Manulife. And we’re on a mission to make decisions easier and lives better. Better is what drives us. It’s what inspires us to find new ways to support customers and colleagues in living longer and healthier lives. It’s the reason we’re dedicated to investing in digital innovation and industry-leading AI, and accelerating a sustainable and economically inclusive future. Joining us means you’ll be empowered to learn and grow your career. We’ll recognize and support you in a flexible environment where well-being and inclusion are more than just words. And as part of our global team, you’ll help shape the future you want to see – and discover that better can take you anywhere you want to go. We’re proud of our accomplishments and recognition.

Recent awards

• 2026 Gallup Exceptional Workplace Award Winner
• Manulife Named one of Forbes World’s Best Employers 2025
• Financial Times World’s Best Employers Asia-Pacific 2026
• We’ve been recognized as one of Canada’s Top 100 Employers 2026
• #1 Life Insurer for AI Maturity by Evident 2026

Our ambition is to be the number one choice for customers. Learn more at