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QTG - Software Platform Engineering - Senior Principal Full Stack Engineer 5700 Yonge St, North York, ON M2N 5M9, Canada Job Description Posted Thursday, April 2, 2026 at 4:00 AM Questrade Financial Group (QFG), through its companies - Questrade, Inc., Questrade Wealth Management Inc., Community Trust Company, Zolo, and Flexiti Financial Inc., provides securities and foreign currency investment, professionally managed investment portfolios, mortgages, real estate services, financial services and more. Questrade uses cutting-edge technologies to develop innovative products that give customers better, more affordable ways to take control of their money. We are everything a traditional financial institution is not. At QFG, you will be constantly moving forward, bringing the future of fintech into existence. You will be a part of a collaborative team that cares deeply about our mission and each other. Your team members will help you conquer challenges, push boundaries and discover what you are truly capable of. At QFG, we have a culture of innovation where technology serves peopleboth our team and our customers. We see AI as a collaborative and transformative enabler, and we are seeking forward-thinking individuals who can effectively integrate it into their daily work. The ideal candidate will be a catalyst for change, helping us use AI to create a more efficient and rewarding employee experience while also developing cuttingedge solutions that delight and serve our customers. Join us in shaping a future where AI empowers our team to do their best work and helps us deliver unparalleled customer experiences. This is a place where you can explore, discover and learn with continuous growth. As a diverse and inclusive place to work, with a hybrid working environment you can unleash your creativity and curiosity with no limits. If you share the same sense of infinite possibility, come shape your future at QFG. Whats in it for you as an employee of QFG? Health & wellbeing resources and programs Paid vacation, personal, and sick days for work-life balance Competitive compensation and benefits packages Work-life balance in a hybrid environment with at least 3 days in office Career growth and development opportunities Opportunities to contribute to community causes Work with diverse team members in an inclusive and collaborative environment This job posting is for an existing vacancy Were looking for our next Senior Principal Full Stack Engineer. Could It Be You? The Senior Principal Full Stack Engineer is a strategic technical leader who owns the technology roadmap and architectural vision for specific systems within a mission or track across multiple squads. In this role, you will define the endtoend architecture of our digital investing platforms, bridging the gap between complex backend services and highperformance user interfaces. You will leverage your expert knowledge of NodeJS and Angular to guide the design of distributed systems, ensuring scalability, security, and seamless data flow. Moving beyond daytoday coding, you will focus on highlevel solutioning, acting as a 'Technology Champion' who assesses new technologies to benefit multiple teams and translates technical requirements for nontechnical stakeholders. You will drive vision execution by creating technical requirements and documentation that turn highlevel strategy into reality. Define and drive the technology roadmap for endtoend systems across products or systems. Collaborate with enterprise architects and technical leads to design software solutions, including technology selection, technical direction, and estimation, ensuring alignment between frontend experiences and backend capabilities. Lead the solution architecture for highly complex, distributed, and cloudnative systems. Play an active role in creating and governing standards around Scalability, Security, Logging, Auditing, Policy Management, and Performance Monitoring. Define KPIs for endtoend process execution to ensure system health and reliability. Focus on guiding the implementation of Web applications, APIs, and Microservices using multiple languages and best cloudnative practices. Ensure consistency of design elements within individual components, services, and modules across applications. Identify, analyze, and design integration flows, technically owning the process to ensure ontime and onbudget build and integration of solution elements. Work on the translation of business requirements into specific solutions, application designs, and process implementations. Collaborate with Product Managers, Designers, and other stakeholders on providing the best solution. Ensure technical decisions align with product vision and user experience requirements. Troubleshoot and optimize solutions for highly complex issues across the entire stack. Architect robust solutions for realtime data streaming, database query performance, API latency, and clientside rendering. Define complex test plans for the entire system, including unit, integration, contract testing, and load testing. Ensure the delivery of exceptional quality solutioning that meets highly complex business requirements. Serve as a technical reference by providing guidance on cuttingedge technology. Mentor team members on full stack topics, provide technical ability screening for new team members, and support the growth of the engineering team. Translate technical requirements to nontechnical stakeholders and work on the development of proposals and presentations. Facilitate productive conversations between different technical teams (e.g., DevOps, Security, Product) to solve issues and enable new architectures. Pursue continuous learning regarding new technology and assess it for use within Questrade. Champion the adoption of AI best practices, work on technical POCs to prove out technology, and lead the selection process for new tools. So are YOU our next Senior Principal Full Stack Engineer? You are if you BS or Masters degree in Computer Science, Information Systems, Systems Engineering, or a related field (or equivalent combination of education and experience). 8+ years of professional software development experience, with a proven track record of designing and scaling highly complex full stack applications. Expert-level mastery of NodeJS and server-side TypeScript. Strong experience with common libraries and frameworks such as ExpressJS, NestJS, and Fastify. Deep understanding of Microservices, RESTful APIs, and event-driven architectures. Expert knowledge of React Native for mobile and strong experience with Angular for web. Proficient with HTML, SCSS, and modern frontend build tools. Strong experience with SQL and NoSQL databases. Good experience with major Cloud providers (AWS, GCP, Azure) and cloud-native best practices. Experience defining comprehensive test strategies (Unit, Integration, E2E, Performance) and quality assurance tools. Familiarity with integration design patterns and best practices. Proven experience leading the technical direction for a portfolio of products. Ability to propel vision delivery through documentation, technical proposals, and architectural design. Excellent interpersonal, verbal, and written skills. Ability to interact with all levels of stakeholders, support personnel, and clients. Strong documentation, analytical, and problemsolving skills with the ability to troubleshoot highly complex issues. Compensation Information: Base salary range: $160,000 - $200,000 The final compensation package will be commensurate with the successful candidate's experience, skills, and geographic location (Canada). It includes a comprehensive benefits plan and a competitive incentive (bonus) program for FullTime Permanent roles. At Questrade Financial Group of Companies, with multiple office locations around the world, we are committed to fostering a diverse, inclusive and accessible work environment. This is an environment where individuals are treated with dignity and respect. Here, the unique skills and experience you bring will be valued. You will be supported and motivated, so that you can harness your unlimited potential. Our team reflects the diversity of the communities we serve and operate in. Having a collaborative and diverse team helps us push boundaries to bring the future of fintech into existencenot only for the benefit of our customers, but for those who build their career with us. Questrade Financial Group of companies Applicant Tracking System utilizes artificial intelligence (AI) for application screening. The AI system operates on predetermined criteria, with final decisions subject to human review. Candidates selected for an interview will be contacted directly. If you require accommodation during the recruitment/selection process, please let us know and we will work with you to meet your needs. #J-18808-Ljbffr