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Added 9 mins ago
JS
Technical Engineer
JFE Shoji Power Canada Inc.
Burlington, ON
- Full-time
Reporting to the Technical Director, the Technical Engineer is responsible for independently reviewing, validating, and approving technical outputs to ensure accuracy, manufacturability,…
Added 9 mins ago
C
Sr. Security Engineer – Offensive Security/Penetration testing
Cognizant
Toronto, ON
- Full-time
As a Senior Security Engineer, you will make an impact by leading the implementation and optimization of Tenzai security solutions while strengthening enterprise Threat & Vulnerability…
Added 9 mins ago
AE
Process Plant Project Engineer
Agnico Eagle Mines Limited
Sudbury, ON
- Full-time
Participates in construction, Vendor and engineering design update meetings;
Added 9 mins ago
AT
Process Engineer (medical device)
APTYX Trenton
Trenton, ON
- Full-time
To support its growth strategy, Aptyx Trenton is seeking to fill the role of a Process Engineer at our Trenton location. We are looking for an industry experienced individual who will hit…
Added 9 mins ago
FH
IT/Communications Engineer
Fuze HR Solutions
Toronto, ON
- Full-time
We are seeking a highly motivated and talented IT/Communications Engineer to join our Building Systems Engineering team. In this role, you will provide consulting and engineering services…
Added 9 mins ago
FR
Hardware Design Engineer - Agricultural Robots
Finite Robotics
Kitchener, ON
- Full-time
…production grade for the 2027 fleet. This role (the Hardware Design Engineer) is an important role help make that…
Added 9 mins ago
N
Sr. Principal Software Engineer
Nokia
Ottawa, ON · Kanata, ON
- Full-time
We are looking for an experienced software engineer to lead the development of our distributed edge compute platform. This role demands a deep understanding of hyperscalers like AWS, Azure,…
Added 9 mins ago
YD
Senior Machine Learning Engineer (Consulting)
Yeji Data Lab
Montreal, QC · Greater Montreal Metropolitan Area
- Full-time
We are looking for a Senior Machine Learning Engineer to design, build, and deploy scalable ML solutions for our clients. You will work across diverse projects, collaborating with…
Added 9 mins ago
RI
Network security / Firewall Consultant
Raas Infotek
Calgary, AB
- Contract
3. Design, review, and implement firewall security policies, NAT rules, and access control lists.
Added 9 mins ago
JG
GCP Infrastructure & Cloud SRE Engineer
J&M Group
Toronto, ON
- Full-time
Design and implement GKE/Kubernetes-based container platforms.
Added 9 mins ago
ST
Structure Engineer – OCS / Rail Electrification
SEGULA Technologies
Toronto, ON
- Full-time
SEGULA Technologies Canada is looking for an experienced Structure Engineer to support a major rail electrification / Overhead Catenary System (OCS) project in Ontario.
Added 9 mins ago
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Structure Engineer – OCS / Rail Electrification
SEGULA Technologies
Montreal, QC
- Full-time
SEGULA Technologies Canada is looking for an experienced Structure Engineer to support a major rail electrification / Overhead Catenary System (OCS) project in Ontario.
Added 9 mins ago
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Software Engineer
Intouch Insight
Ottawa, ON
- Full-time
Collaborate with other team members to design and plan new product features and changes based on requirements
Added 9 mins ago
B&
Staff Transmission Engineer - Transmission & Distribution (Toronto)
Burns & McDonnell
Toronto, ON
- Full-time
The Staff Transmission Engineer will work on project teams to create world class designs for new projects, alterations and redevelopments on a variety of projects including underground and…
Added 9 mins ago
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Software Engineer - Platform Services
Nokia
Ottawa, ON · Kanata, ON
- Full-time
…drive the development of cutting-edge platforms. As a Software Engineer in Platform Services, you will be part of a dynamic team responsible for designing and developing scalable and robust…
Added 9 mins ago
N
UI Engineer
Nokia
Ottawa, ON · Kanata, ON
- Full-time
…closely with our platform engineers and UX team. As a UI Software Engineer, you will be responsible for designing and implementing cutting-edge dashboards and interfaces. Your expertise in…
Added 10 mins ago
Plant Layout Design Engineer
Amrize
Mississauga, ON
Join Amrize as a Plant Layout Design Engineer and help construct what's next. If you're ready to put your skills to work on projects that matter - and build a career with a company that’s…
Added 10 mins ago
Platform Engineer
Scotiabank
Toronto, ON
The Platform Engineer will play a critical role within the Enterprise Data & AI Technology organization - one of Scotiabank’s most significant enterprise-wide strategic initiatives. This…
Added 10 mins ago
Senior Platform Engineer
Scotiabank
Toronto, ON
The Senior Platform Engineer will play a critical role within the Enterprise Data & AI Technology organization - one of Scotiabank’s most significant enterprise wide strategic initiatives.…
Added 10 mins ago
Methods Engineer
Sapsol Technologies Inc
Montreal, QC
Review the engineering design to validate the manufacturing process of the part;
Added 10 mins ago
GM
Senior Software Developer
General Motors
Markham, ON · Oshawa, ON
- Full-time
This role is for a hands-on senior engineer who can design, implement, test, deploy, and operate reliable backend systems at production scale. The developer will contribute across REST…
Added 10 mins ago
E
iOS Engineer - SE3
eBay
Toronto, ON
- Full-time
As an iOS Software Engineer on the Native Focused Category team, you'll contribute to building and improving features within eBay's core iOS application. You'll work primarily with Swift…
Added 10 mins ago
Staff Photonics Design & PDK Modeling Engineer
Lightmatter
Toronto, ON
We are hiring a Photonics PDK Modeling Engineer to join our team. In this role, you will develop our internal Process Design Kit (PDK). You will act as the architect of our component…
Added 25 mins ago
RB
Staff Cloud Security Engineer (Global Security)
Royal Bank of Canada
Vancouver, BC · Toronto, ON
- Full-time
…across all tenants. In this role as a Staff Cloud Security Engineer, you will play a crucial role in developing innovative solutions to enhance RBC's Cloud Security posture. You will also…
Added 25 mins ago
M
Senior Software Engineer, Web & SDK
Mecka
Remote, Canada
- $160,000 to $200,000 CAD / year
- Full-time
- Remote
We design and operate global systems for data capture, data labeling, and hardware-enabled workflows used by leading AI labs and robotics companies to train and validate humanoid and…

Questrade Financial Group

Principal Software Engineer

Toronto, ON, Canada

Base salary range: $120,000 - $140,000

Apply About employer

Applications open in a new tab.

Job details

Pay: Base salary range: $120,000 - $140,000
Experience: Have 8+ years of software engineering experience, including time leading technical direction on complex, business-critical systems
Posting language: English
Posted: Oct 8, 2026

Original job description

Questrade Financial Group (QFG), through its companies - Questrade, Questbank, Questrade Wealth Management, Community Trust Company, Zolo, and Flexiti, provides securities and foreign currency investment, professionally managed investment portfolios, mortgages, real estate services, financial services and more. We use cutting-edge technology to help Canadians become much more financially successful and secure.

At QFG, we combine human-centric collaboration with AI-driven innovation to redefine financial services. The ideal candidate will be a catalyst for change, using AI to transform and deliver unparalleled customer experiences and shaping a future where AI empowers our teams to do their best work.

Join our diverse, inclusive, and hybrid workplace to unleash your creativity and nurture your curiosity without limits. If you share this sense of infinite possibility, come shape your future at QFG.

What’s 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.

We’re looking for our next Principal Software Engineer. Could It Be You?

We are building a modern, in-house loan origination platform that takes a secured loan from application to funding: intake, underwriting, mortgage insurance, fulfillment, allocation and funding. It handles real money and real regulatory obligations, and it is changing quickly as we add new lending programs and bring AI into how we build and operate.

As a Principal Software Engineer, you will be the senior technical authority on this platform. You will set architectural direction, raise the engineering bar, and stay close to the code. We want someone with strong product instincts, who cares about what we build and why as much as how.

Need more details? Keep reading…

In this role, responsibilities include but are not limited to:

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 set the standard for how the 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 (tools like Claude Code across design, build, test and review) and in the origination platform itself
Setting the guardrails that keep AI-accelerated delivery safe and repeatable, and delivering AI-powered capabilities in the lending workflow, such as document handling, decision support and operational automation
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 measure the efficiency gains it delivers
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

So are YOU our next Principal Software Engineer? You are if you…

Have 8+ years of software engineering experience, including time leading technical direction on complex, business-critical systems
Have deep expertise in C# and .NET (modern .NET, ASP.NET Core, async programming, performance)
Have strong practical experience with Domain-Driven Design
Have a real test-driven development practice, including UI and end-to-end automation with Playwright
Have experience designing and running event-driven, distributed systems in production
Have hands-on experience with GCP and Kubernetes
Have experience with Datadog or comparable observability platforms for monitoring, tracing and alerting
Have 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
Have a strong product mindset: you understand the business problem, challenge requirements, and make trade-offs with customer and business outcomes in mind
Have excellent communication skills, with the ability to explain trade-offs to engineers and executives alike

Additional kudos if you…

Have experience with CQRS (and event sourcing)
Have background in lending, mortgages, banking or other regulated financial services
Have experience integrating third-party providers, such as insurers, credit bureaus and valuation services
Have experience building or integrating LLM-powered features
Are familiar with GitLab CI/CD and infrastructure as code
Have knowledge of Canadian mortgage regulation and privacy requirements

Compensation Information:

Base salary range: $120,000 - $140,000
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 Full-Time Permanent roles.

Sounds like you? Click below to apply!

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 existence - not 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.

Apply About employer

More about this job

Responsibilities

The Principal Software Engineer will own the architecture and technical roadmap for a secured lending origination platform while setting engineering standards. They will drive the implementation of AI-powered capabilities and mentor the engineering team through design reviews and code collaboration.

Requirements

Candidates must have 8+ years of software engineering experience with deep expertise in C# and .NET. Strong practical experience in Domain-Driven Design, event-driven systems, and cloud platforms like GCP is required.

Skills

C#
.NET
ASP.NET Core
Domain-Driven Design
GCP
Kubernetes
Datadog
Test-driven development
Playwright
Event-driven architecture
CQRS
AI integration
Software architecture
Cloud computing
Distributed systems
Mentoring

Benefits

Health and wellbeing resources
Paid vacation
Personal days
Sick days
Competitive compensation
Benefits packages
Career growth and development opportunities

Visa sponsorship

Not detected in the job text

Keywords

Software Engineering
C#
.NET
ASP.NET Core
Domain-Driven Design
GCP
Kubernetes
Datadog
Test-driven development
Playwright
Event-driven
CQRS
AI
Fintech
Lending
Mortgage
Architecture
Cloud
Observability
GitLab CI/CD
Infrastructure as Code
LLM
Distributed systems
Performance tuning
Async programming
Regulatory compliance
Financial services
Mentorship
Product mindset
Automation

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