Principal Platform Engineer

Work Location: Toronto, Ontario, Canada Hours: 37.5 Line of Business: Technology Solutions Pay Details: $165,000 - $200,000 CAD This role is eligible for a discretionary variable compensation award that considers business and individual performance. TD is committed to providing fair and equitable compensation opportunities to all colleagues. Growth opportunities and skill development are defining features of the colleague experience at TD. Our compensation policies and practices have been designed to allow colleagues to progress through the salary range over time as they progress in their role. The base pay actually offered may vary based upon the candidate's skills and experience, job-related knowledge, geographic location, and other specific business and organizational needs. As a candidate, you are encouraged to ask compensation related questions and have an open dialogue with your recruiter who can provide you more specific details for this role. Job Description: Principal Engineer – GTB Dev & Infra Global Transaction Banking is rebuilding its client-facing technology from the ground up — micro-frontends, real-time APIs, Host to Host and event-driven connectivity across a modern cloud-native stack. As  Principal Engineer – GTB Platform (IC Role ) You will own and deliver the foundational engineering layers that power TD's Global Transaction Banking platform — spanning Global Entitlements, Entity Structure, and the cross-jurisdictional product experiences that clients and operators rely on daily. You will be responsible for delivering the end to end solutio n. This is a hands-on, high-impact role at the intersection of engineering leadership and technical product strategy. You will write code, set up infrastructure, lead design reviews, and sit at the table where platform direction is shaped — driving decisions that scale across segments, geographies, and channels Mandate:  Define and steward the full stack delivery across GTB's client experience , infrastructure and connectivity layers — ensuring every surface is composable, every integration is reliable, and every engineering team can ship with confidence. API & Integration Architecture Design and govern the API layer — RESTful and GraphQL contracts, versioning strategy, gateway configuration, and consumer-driven contract testing. Own the connectivity architecture connecting GTB systems to internal platforms, partner networks, and third-party services. Define patterns for event-driven integration, message routing, and protocol translation across diverse connectivity requirements. Ensure API security, rate limiting, observability, and reliability are first-class concerns Own the app code infrastructure – from defining the infrastructure to deploying it in Azure Kubernetes Services. What We're Looking For Core Requirements 10+ years  of software engineering experience, with the last 3+ in architecture or technical leadership role. Proven track record designing and delivering production-grade full stack systems at enterprise scale — not just contributing to them. Deep expertise in  platform engineering and Kubernetes-based application deployment. Strong backend engineering grounding:  Java , REST and GraphQL API design, and distributed systems fundamentals. Solid understanding of  API gateway patterns , security (OAuth2, mTLS , OIDC), and integration architecture. Extensive experience with relational (Oracle/SQL) and NoSQL databases (MongoDB, Neo4J) Strong expertise in data modeling, including graph-based data models Experience with  Microsoft Azure  and cloud-native application delivery. Comfortable with ambiguity — able to define the path forward when requirements are incomplete and tradeoffs are real. Working knowledge of Generative AI, LLMs and AI-enabled engineering practices. Role requires 50% hands on Platform development, 30% Architecture and 20% Product/Executive presentations to showcase the problems/work Success Profile The successful candidate will: Define and execute the vision for the GTB Foundational Services Platform. Define and own the end-to-end delivery /Integration of Foundational Services – Entitlements, Products and Reference data. Deliver secure, resilient, and scalable data products and services. Foster a culture of engineering excellence, innovation, and accountability. Influence technology strategy and transformation outcomes across Global Transaction Banking. Education /Experience : Bachelor's degree/University degree or equivalent experience Master's degree preferred Fluency in at least one programming language such as Java or Python 10+ years of relevant experience Hands-on experience required for this role Nice to have Cash Management/Transaction Banking experience #LI-TECH Who We Are: TD Securities offers a wide range of capital markets products and services to corporate, government, and institutional clients who choose us for our innovation, execution, and experience. With more than 6,500 professionals operating out of 40 cities across the globe, we strive to make every interaction, product and experience remarkably human and refreshingly simple. Our services include underwriting and distributing new issues, providing trusted advice and industry-leading insight, extending access to global markets, and delivering integrated transaction banking solutions. In 2023, we acquired Cowen Inc., offering our clients access to a premier U.S. equities business and highly-diverse equity research franchise, while growing our strong, diversified investment bank. Together, we are reimagining what banking can be for our clients, colleagues and communities. Our Total Rewards Package Our Total Rewards package reflects the investments we make in our colleagues to help them and their families achieve their financial, physical, and mental well-being goals. Total Rewards at TD includes a base salary, variable compensation, and several other key plans such as health and well-being benefits, savings and retirement programs, paid time off, banking benefits and discounts, career development, and reward and recognition programs. Learn more Additional Information: We’re delighted that you’re considering building a career with TD. Through regular development conversations, training programs, and a competitive benefits plan, we’re committed to providing the support our colleagues need to thrive both at work and at home. Please be advised that this job opportunity is subject to provincial regulation for employment purposes. It is imperative to acknowledge that each province or territory within the jurisdiction of Canada may have its own set of regulations, requirements. Colleague Development If you’re interested in a specific career path or are looking to build certain skills, we want to help you succeed. You’ll have regular career, development, and performance conversations with your manager, as well as access to an online learning platform and a variety of mentoring programs to help you unlock future opportunities. If you’re passionate about helping clients and building deep, lasting relationships, TD offers diverse career paths where you can grow your expertise and make a meaningful impact. We're committed to your success and foster a respectful workplace where diverse perspectives are valued, everyone has fair opportunities to grow, and you can unlock your full potential to achieve your career goals. Here at TD, we hire and develop the best. Training & Onboarding We will provide training and onboarding sessions to ensure that you’ve got everything you need to succeed in your new role. Interview Process We’ll reach out to candidates of interest to schedule an interview. We do our best to communicate outcomes to all applicants by email or phone call. Accommodation Your accessibility is important to us. Please let us know if you’d like accommodations (including accessible meeting rooms, captioning for virtual interviews, etc.) to help us remove barriers so that you can participate th