The Lead Full Stack Engineer role at Manulife/John Hancock, will focus on Global Retirement Technology, offering the opportunity
to sit at the intersection of enterprise engineering and cutting-edge Agentic AI. The position contributes to the company's transformation
mission by designing and operationalizing autonomous AI agents that automate complex workflows, enhance developer productivity,
and improve customer retirement journeys. The successful candidate will serve as a technical leader and architect — shaping how AI is
adopted safely and responsibly across a large financial services organization. They'll gain hands-on experience building real-world AI
agent systems at enterprise scale, with exposure to governance, compliance, and cross-divisional strategy. This will be a high-impact opportunity
for an engineer to lead meaningful innovation while mentoring teams and influencing platform direction.
Position Responsibilities

• Design and implement autonomous AI agents (planner-executor, RAG-based) to automate internal workflows (code review,

• incident triage) and customer-facing journeys (plan enrollment, personalized nudges)

• Architect microservices, event-driven, and serverless cloud solutions; design APIs and event streams enabling safe agent

• action

• Embed AI governance controls including guardrails, prompt/content filtering, PII handling, bias checks, and human-in-theloop

• escalation

• Lead root cause analyses, observability integration, and AIOps for CI/CD and incident response

• Evaluate third-party AI platforms and model providers; lead cost/performance trade-off discussions

• Mentor engineers in AI-safe design, prompt engineering, agent orchestration, and evaluation practices

• Define success metrics (task completion rates, MTTR, customer outcomes) and operate agents with SLIs/SLOs

Required Qualifications

• 10+ years in Senior Digital Engineering roles, partnering with Architecture groups

• Hands-on experience with Java Spring Boot, .NET, React, Node.js, Python, and SQL at large scale

• Experience with cloud platforms, specifically AKS, with containerized services and model serving

• Proficiency with DevOps tooling: GitHub Actions, SonarQube, Fortify, Snyk

• Experience with monitoring/logging tools such as New Relic

• Knowledge of data platforms such as Azure Databricks and building compliant data pipelines

• Experience on large transformation projects including AI adoption roadmaps and governance

• Bachelor of Science in Computer Science or equivalent

• Financial Services experience preferred

Preferred Qualifications

• Experience with LLMs and orchestration frameworks such as LangChain/LangGraph and agent patterns (Planner-Executor)

• Building RAG systems using vector databases (e.g., Azure AI Search) and knowledge graphs; prompt engineering and

• evaluation

• Model hosting and inference experience (Azure OpenAI Service, Llama/OSS models) with cost/latency optimization

• Safety, compliance, and governance expertise: policy enforcement, PII/PCI handling, and auditability in regulated

• environments

• Strong MLOps/LLMOps skills: data curation, evals, telemetry, and prompt/version management

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.

If you are applying to this role in Massachusetts, please note the salary range is $127,330.00 - $ 236,470.00 USD. Additionally, employees also have the opportunity to participate in incentive programs and earn incentive compensation tied to business and individual performance.

The role being advertised is an existing vacancy.

À propos de Manuvie et de John Hancock

La Société Financière Manuvie est un chef de file mondial des services financiers qui aide les gens à prendre leurs décisions plus facilement et à vivre mieux. Pour en apprendre plus à notre sujet, rendez vous à l’adresse www.manuvie.com.

Manuvie est un employeur qui souscrit au principe de l’égalité d’accès à l’emploi

Chez Manulife/John Hancock nous valorisons notre diversité. Nous nous efforçons d’attirer, de perfectionner et de maintenir une main d'oeuvre qui est aussi diversifiée que nos clients, et de favoriser la création d’un milieu de travail inclusif qui met à profit la diversité de nos employés et les compétences de chacun. Nous nous engageons à assurer un recrutement, une fidélisation, une promotion et une rémunération équitables, et nous administrons toutes nos pratiques et tous nos programmes sans discrimination en raison de la race, de l’ascendance, du lieu d’origine, de la couleur, de l’origine ethnique, de la citoyenneté, de la religion ou des croyances ou des convictions religieuses, du genre (y compris grossesse et affection liée à une grossesse), de l’orientation sexuelle, des caractéristiques génétiques, du statut d’ancien combattant, de l’identité de genre, de l’expression de genre, de l’âge, de l’état matrimonial, de la situation de famille, d’une invalidité ou de tout autre motif protégé par la loi applicable.

Nous nous sommes donné comme priorité d’éliminer les obstacles à l’accès égalitaire à l’emploi. C’est pourquoi un représentant des Ressources humaines collaborera avec les candidats qui demandent accommodement raisonnable pendant le recrutement. Tous les renseignements communiqués pendant le processus de demande d'accommodement seront stockés et utilisés conformément aux lois et aux politiques applicables de Manuvie. Pour demander une mesure d’accommodement raisonnable dans le cadre du recrutement, écrivez à hr@manulife.com.

Referenced Salary Location

Modalités de travail

Salary range is expected to be between

Les employés ont également la possibilité de participer à des programmes incitatifs et de recevoir une rémunération liée à la performance de l’entreprise et des individus. Le salaire réel variera selon les conditions du marché local, la région géographique et les facteurs propres au poste, tels que les connaissances, les compétences, les qualifications, l’expérience et la formation. Si vous postulez à ce poste en dehors de votre lieu principal, veuillez contacter hr@manulife.com pour connaître la fourchette salariale applicable à votre région.

Manulife/John Hancock 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/401(k) savings plans and a global share ownership plan with employer matching contributions) and financial education and counseling resources. Our generous paid time off program in the U.S. includes up to 11 paid holidays, 3 personal days, 150 hours of vacation, and 40 hours of sick time (or more where required by law) each year, and we offer the full range of statutory leaves of absence.

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.

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