Apply on Kit Job: kitjob.ca/job/2g9ff2

As a Lead Platform Engineer, you will help design, build and deliver the foundational services that enable secure, scalable, and reusable AI and multi-agentic workflow solutions across the organization. You will work across cloud, distributed systems, orchestration frameworks, vector/memory stores, agent workflows, and safety/guardrail layers to ensure the platform is secure, scalable, and enterprise ready.Position ResponsibilitiesBuilds and maintains high-performance, fault-tolerant, secure, and scalable AI platform services and abstractions that support diverse AI solutions with automation-first delivery.Designs, builds, and maintains the technology platform's features and infrastructure, including hardware, software, and network components.Build scalable microservices and event-driven pipelines for model training/inference using Akka Streams and Cluster Sharding.Integrate AdaptiveML workflows for continuous/online learning, feature stores, model registries, and A/B experimentation.Implement AI Foundry components for orchestration, feature engineering, model deployment, and governance.Develop reusable reference patterns, inner‑source components that meet reliability, security, and compliance standards.Implement shared runtimes for multi agent coordination, state management, memory persistence, and messaging.Design interoperable APIs/SDKs used by data scientists and developers to build agent powered applications.Maintain and improve CI/CD pipelines and developer toolchains for AI services to enable rapid, compliant delivery.Evaluate emerging AI/ML infrastructure capabilities; prototype and introducetools that improve developer productivity and reliability.Develop and operate scalable backend services supporting high traffic agent interactions, retrieval operations, and real time execution flows.Use cloud native technologies (containers, orchestration, IaC, CI/CD) to deliver reliable, cost‑efficient services.Optimize runtime performance across CPU/GPU/accelerator workloads.Monitors and resolves persistent platform issues when surfaced by technical support teams such as bottlenecks, connectivity problems, and system failures.Considers compliance and regulatory requirements throughout the platform lifecycle. Implements security measures, such as access controls, encryptions, and vulnerability assessments when applicable.Partners with architects and business leaders to design and build robust platforms across all Global AI Platform capability layers.Required Qualifications7–10+ years in software engineering; 3+ years leading teams/projects in AI/ML or distributed systems.Strong expertise in Akka (Actors, Streams, Cluster, Typed)



and event-driven microservices at scale.Hands‑on experience with AI Foundry and AdaptiveML (or equivalent platforms for model lifecycle, orchestration, and continuous learning).Proficiency in Scala or Java (Akka ecosystem), plus Python for ML tooling.Experience with stream processing and data pipelines.Solid MLOps background: model registries, feature stores, CI/CD for ML, containerization (Docker), orchestration (Kubernetes).Cloud proficiency (AWS/Azure), Terraform or IaC, and secrets/IAM.Deep understanding of distributed systems, observability stack and resilience patterns.Strong communication, documentation, and stakeholder management skills.Preferred QualificationsExperience with online learning, reinforcement learning, or active learning in production.Knowledge of responsible AI frameworks, model risk management, and fairness/bias assessment.Performance optimization for low-latency inference; GPU/accelerator utilization.Experience in regulated industries (e.G., financial services/insurance) with audit and governance requirements.When you join our teamWe’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.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、 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 Toronto, OntarioWorking Arrangement ハイブリッド勤務Salary range is expected to be between $113,260.00 CAD - $210,340.00 CADEmployees also have the prospect 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.#J-18808-Ljbffr

Apply on Kit Job: kitjob.ca/job/2g9ff2

📌 Lead Platform Engineer - Global Ai Platform (Toronto)
🏢 Manulife Financial
📍 Toronto