Build .NET and C# services for Questbank’s mortgage platform in a hybrid workplace requiring at least three office days weekly.
As a Senior Software Engineer, you will own a domain across architecture, code reviews, production incidents, and technical direction. You will help build a distributed Loan Origination System for Secured Lending using microservices, Google Cloud Platform, and event-driven design. Your work spans backend REST APIs and Angular frontend components.
Key Responsibilities: Own architecture, technical quality, code reviews, and incidents
Lead design reviews and cross-team architecture decisions
Build production-grade REST APIs using .NET and C#
Drive technical debt resolution and maintainability




Champion unit and integration testing standards
Requirements: Five-plus years building production .NET and C# REST APIs
Expertise in Domain-Driven Design, Event Sourcing, and CQRS
Experience with distributed microservices and cloud infrastructure
Angular or TypeScript frontend development experience
Production support, observability, CI/CD, and DataDog experience
Apply senior engineering judgment across mortgage software, distributed systems, .NET, Angular, and production ownership at Questbank.

#J-18808-Ljbffr

📌 Senior .NET Mortgage Software Engineer (Ontario)
🏢 Questrade Financial Group
📍 Ontario