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About the Role
Questrade Financial Group is seeking a Principal Software Engineer to be the senior technical authority on their in-house loan origination platform. This role involves setting architectural direction, raising the engineering bar, and staying close to the code, with a strong emphasis on product instincts and understanding the 'why' behind the work. The engineer will leverage AI to transform customer experiences and optimize operations.
Responsibilities
- Owning the architecture and technical roadmap of the secured lending origination platform, balancing delivery speed with correctness, auditability and resilience
- Writing and reviewing production C# and .NET code, and setting the standard for team builds
- Applying Domain-Driven Design to model complex lending workflows, keeping bounded contexts clean as the business grows
- Designing and evolving event-driven services on GCP and Kubernetes, using CQRS where it fits, with reliable messaging and integrations with internal and external partners
- Driving test-driven development and a strong automated testing culture, including end-to-end coverage with Playwright
- Continuously finding better ways to leverage AI to improve efficiency and optimize outcomes, both in how the squad builds and in the origination platform itself
- Setting guardrails that keep AI-accelerated delivery safe and repeatable, and delivering AI-powered capabilities in the lending workflow
- Using AI to reduce manual effort for underwriters, fulfillment and operations teams, with clear human oversight where decisions affect clients
- Shaping how AI is used across the full delivery lifecycle, from requirements and design through testing, release and production support, and measuring efficiency gains
- Owning production health with Datadog: dashboards, monitors, tracing, incident response and continuous reliability improvements
- Partnering with Product, Credit Risk, Operations and Compliance to shape the roadmap and turn lending policy into reliable, testable software
- Mentoring engineers through design reviews, pairing and coaching
Requirements
- 8+ years of software engineering experience, including time leading technical direction on complex, business-critical systems
- Deep expertise in C# and .NET (modern .NET, ASP.NET Core, async programming, performance)
- Strong practical experience with Domain-Driven Design
- Real test-driven development practice, including UI and end-to-end automation with Playwright
- Experience designing and running event-driven, distributed systems in production
- Hands-on experience with GCP and Kubernetes
- Experience with Datadog or comparable observability platforms for monitoring, tracing and alerting
- Real day-to-day experience with AI coding tools, a considered view on where they help and where they need guardrails, and a drive to keep finding new ways to apply AI to improve efficiency and outcomes
- Strong product mindset: understanding the business problem, challenging requirements, and making trade-offs with customer and business outcomes in mind
- Excellent communication skills, with the ability to explain trade-offs to engineers and executives alike
Skills
- C#
- .NET
- ASP.NET Core
- async programming
- performance optimization
- Domain-Driven Design
- event-driven architecture
- distributed systems
- GCP
- Kubernetes
- CQRS
- Playwright
- Datadog
- AI coding tools
- LLM-powered features
- GitLab CI/CD
- infrastructure as code
Location
- Canada
Work Type
- Hybrid
Experience Level
- Principal
- 8+ years
Salary/Compensations
- $120,000 - $140,000
Benefits
- Health & wellbeing resources and programs
- Paid vacation, personal, and sick days
- Competitive compensation and benefits packages
- Competitive incentive (bonus) program
About the Company
- Questrade Financial Group (QFG) provides securities and foreign currency investment, professionally managed investment portfolios, mortgages, real estate services, financial services, and more through its companies: Questrade, Questbank, Questrade Wealth Management, Community Trust Company, Zolo, and Flexiti.
- QFG uses cutting-edge technology to help Canadians become more financially successful and secure.
- At QFG, we combine human-centric collaboration with AI-driven innovation to redefine financial services.
- Questrade Financial Group of Companies is committed to fostering a diverse, inclusive and accessible work environment where individuals are treated with dignity and respect.
- Our team reflects the diversity of the communities we serve and operate in, helping us push boundaries to bring the future of fintech into existence.
Equal Opportunity
- 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.