Manulife Financial Corporation

Associate Applied AI Engineer - GenAI Systems

Manulife Financial Corporation • $69K — $115K *
Finance & Insurance
Less than 5 years of experience
Job Overview by Ladders

Qualifications

  • Master's or PhD in a quantitative field (Computer Science, Statistics, etc.)
  • 0-3 years of experience in applied data science/machine learning, including internships or strong academic projects
  • Proficient in Python and SQL with solid software engineering fundamentals
  • Hands-on experience with modern data science/ML tools (e.g., scikit-learn, PyTorch)
  • Ability to translate business problems into structured technical approaches
  • Exposure to GenAI solutions (e.g., RAG, structured summarization)
  • Strong evaluation mindset for ML and GenAI, including testing and error analysis
  • Understanding of production-oriented development practices.

Responsibilities

  • Contribute to end-to-end solution design for GenAI and ML
  • Build models and GenAI components for Finance & Actuarial use cases
  • Implement strong evaluation and testing practices for models
  • Collaborate with teams to productionize and operate solutions
  • Document model limitations and ensure compliance with governance standards
  • Contribute to team capability and delivery maturity through learning and sharing best practices

Benefits

  • Opportunities for career growth and learning
  • Flexible work environment prioritizing well-being and inclusion
  • Support for shaping a desired future as part of a global team
  • Comprehensive health, dental, and mental health benefits
  • Retirement savings plans with employer matching contributions
  • Generous paid time off including holidays, vacation, and personal days
Full Job Description
We're hiring two Associate Applied AI Engineers who bring strong technical depth, sound software engineering practices, and a modern GenAI design mindset to help deliver AI and GenAI capabilities that integrate effectively into real business workflows. This is an excellent opportunity for candidates with graduate-level training in AI/ML or related quantitative disciplines, as well as those in early-career applied AI roles, who want to work on meaningful business problems rather than research prototypes or notebook-based analysis alone. If you enjoy taking ambiguous business challenges and translating them into structured solution designs, measurable experiments, and production-ready outcomes, this role is for you.

Position Responsibilities:

1. Contribute to end-to-end solution design (GenAI + ML)

Translate business problems into a clear solution approach, including user workflow, data flow, model approach, evaluation plan, and operational controls.

Create lightweight, high-quality design artifacts such as system context, runtime sequence, agent/tool maps, data lineage, and decision logs that support implementation and governance.

Participate in design discussions and make thoughtful trade-offs across accuracy, explainability, cost, latency, and maintainability.

2. Build models and GenAI components for Finance & Actuarial use cases

Develop ML solutions such as forecasting, classification, NLP, anomaly detection, optimization, and scenario analysis.

Build GenAI capabilities such as retrieval-based solutions (RAG), structured summarization and extraction, transaction understanding, variance explanation, and tool-using workflows where appropriate.

Engineer features from structured and unstructured data and help ensure solutions remain robust as data evolves.

3. Apply strong evaluation and testing practices

Implement performance evaluation using holdouts, backtesting, error analysis, and fit-for-purpose metrics aligned to the business problem.

For GenAI, help design practical evaluation approaches such as scenario coverage, edge cases, human review rubrics, quality scoring, and regression testing.

Document model limitations clearly and support guardrails that improve the reliability and safe use of outputs.

4. Partner closely to productionize and operate solutions

Collaborate with Data Engineering, ML Engineering, and Software teams to productionize solutions through reliable data pipelines, model packaging, CI/CD, deployment, and monitoring.

Write maintainable, tested code using strong software engineering practices such as version control, modular design, logging, and code review.

Support monitoring for data quality, drift, performance deterioration, and operational failures, and help investigate issues when thresholds are breached.

Contribute to runbooks and support adoption and UAT with business users.

5. Work in a governed environment

Contribute to the documentation and evidence required for model risk review, including assumptions, validation results, monitoring plans, UAT evidence, and approvals.

Ensure privacy and security expectations are met through data minimization, appropriate access controls, and safe handling of sensitive information.

Follow established standards for reproducibility, traceability, model documentation, and auditability.

6. Grow team capability and delivery maturity

Learn quickly from design reviews, code reviews, and stakeholder feedback, and apply those lessons to future work.

Contribute reusable components, templates, examples, and testing patterns that make team delivery faster and more consistent.

Stay current with emerging AI and GenAI engineering patterns and bring forward practical ideas that improve how the team builds solutions.

Required Qualifications:

  • Master's or PhD in Computer Science, Statistics, Machine Learning, Applied Mathematics, Operations Research, Engineering, or a related quantitative field.
  • 0-3 years of experience in applied data science / machine learning, including internships, co-ops, research, or early-career industry experience; strong academic project work may also be considered.
  • Strong Python and SQL, with solid software engineering fundamentals such as Git-based workflows, code reviews, unit and integration testing, logging, readable code structure, debugging, and basic performance tuning.
  • Hands-on experience with modern DS/ML tooling such as scikit-learn, PyTorch/TensorFlow, Spark/Databricks or similar, including data preparation, feature engineering, and model development.
  • Demonstrated ability to turn a problem into a structured technical approach, including clear thinking around inputs, outputs, assumptions, failure modes, and evaluation.
  • Exposure to building or evaluating GenAI solutions, including at least one of: RAG, structured summarization/extraction, LLM-based classification, tool/function calling, or multi-step workflows.
  • Strong evaluation mindset across ML and GenAI, including metric selection, holdout testing, error analysis, scenario coverage, edge-case thinking, and basic regression testing approaches.
  • Understanding of production-oriented development, including packaging code, working with APIs or services, handling configuration, monitoring outputs, and designing for maintainability.
  • Strong communication skills, with the ability to explain technical outputs, limitations, and design choices in plain language.


Preferred Qualifications:

  • Master's or PhD in Computer Science, Statistics, Machine Learning, Applied Mathematics, Operations Research, Engineering, or a related quantitative field.
  • 0-3 years of experience in applied data science / machine learning, including internships, co-ops, research, or early-career industry experience; strong academic project work may also be considered.
  • Strong Python and SQL, with solid software engineering fundamentals such as Git-based workflows, code reviews, unit and integration testing, logging, readable code structure, debugging, and basic performance tuning.
  • Hands-on experience with modern DS/ML tooling such as scikit-learn, PyTorch/TensorFlow, Spark/Databricks or similar, including data preparation, feature engineering, and model development.
  • Demonstrated ability to turn a problem into a structured technical approach, including clear thinking around inputs, outputs, assumptions, failure modes, and evaluation.
  • Exposure to building or evaluating GenAI solutions, including at least one of: RAG, structured summarization/extraction, LLM-based classification, tool/function calling, or multi-step workflows.
  • Strong evaluation mindset across ML and GenAI, including metric selection, holdout testing, error analysis, scenario coverage, edge-case thinking, and basic regression testing approaches.
  • Understanding of production-oriented development, including packaging code, working with APIs or services, handling configuration, monitoring outputs, and designing for maintainability.
  • Strong communication skills, with the ability to explain technical outputs, limitations, and design choices in plain language.


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.


#LI-Hybrid

The role being advertised is an existing vacancy.

Referenced Salary Location
Toronto, Ontario

Working Arrangement

Hybrid

Salary range is expected to be between
$69,525.00 CAD - $115,875.00 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 [redacted] 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 [redacted] for more information about U.S.-specific paid time off provisions.

About Manulife Financial Corporation

John Hancock's core retail products in the U.S. focus on providing financial solutions at every stage of our clients' lives. Our product suite includes life insurance, mutual funds, 401(k) plans, long-term care (LTC) insurance, and annuities. We distribute our products primarily through licensed financial advisors, and through John Hancock Financial Network, a national network of independent firms.

Manulife Financial Corporation Careers

Join the dynamic team at Manulife Financial Corporation, a leading global financial services group dedicated to helping people make their decisions easier and lives better. With a presence in more than 20 countries, Manulife offers a diverse range of job opportunities that empower professional growth and innovation in the financial sector. Work You’ll Do At Manulife, every position contributes to our inclusive culture of diversity, leadership, and innovation. We are committed to fostering a workplace where every team member feels valued and has the opportunity for personal and professional growth. Join us to be part of a company that values your skills and passion. Explore a Wealth of Opportunities Whether you're seeking your first internship or a seasoned professional aiming to advance your career, Manulife offers a spectrum of career paths ranging from finance and marketing to technology and customer service. Our job opportunities are designed to enhance your skills through robust training programs and hands-on experience in a supportive environment. Innovate with Us Drive transformation in the financial services industry with Manulife’s commitment to technology and innovation. Work alongside over 34,000 professionals globally, leveraging cutting-edge tools and processes that redefine how financial services are delivered. Be Part of a Great Team Manulife’s team-oriented approach ensures that everyone’s voice is heard and valued. Collaborate with talented professionals from diverse backgrounds to develop solutions that improve the lives of our customers. Enjoy the benefits of a global company that supports your ambitions with resources and opportunities to lead and innovate. Future-Proof Your Career Manulife supports your career journey with continuous learning and development opportunities. From leadership training to networking events, we provide the tools to succeed and the platforms to showcase your achievements. Our commitment to career growth ensures that your journey with us will be rewarding and impactful. Stay Connected Join Our Team Discover the range of job opportunities at Manulife by exploring open positions that match your skills and interests. We are always on the lookout for curious, driven, and innovative team players who are ready to make a difference. Keep Up to Date Stay informed with the latest company news, career tips, and industry insights—all from the people who work here. Manulife is dedicated to providing you with the resources to thrive in your career. Job Alert Emails Customize your experience by subscribing to receive job alerts and insider information tailored to your preferences. Learn about exciting and rewarding opportunities as they arise and how you can be a part of our transformative team. Join Manulife Financial Corporation today and be part of a leading company where your career is as rewarding as it is impactful. Explore how far your talents can take you in an environment built on respect, integrity, and a desire to achieve the best outcomes for our clients and our team.
Learn more about Manulife Financial Corporation
Size
38,000 employees
Market Cap
$33.4 billion
Industry
Founded
1887
5 Year Trend
+1%
NASDAQ

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