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Added 12 mins ago
Senior Software Engineer II, Data Lakehouse
Braze
Toronto, ON
Full-time
We're looking for a Senior Software Engineer to grow our Data Lakehouse team’s capacity for impact. The Data Lakehouse team provides the foundational infrastructure and tools that enable…
Added 12 mins ago
Software Engineer II, Data Lakehouse
Braze
Toronto, ON
Full-time
We're looking for a Software Engineer to grow our Data Lakehouse team’s capacity for impact. The Data Lakehouse team provides the foundational infrastructure and tools that enable teams…
Added 13 mins ago
Software Engineer II, Data Lakehouse
Braze
Toronto, ON
We're looking for a Software Engineer to grow our Data Lakehouse team’s capacity for impact. The Data Lakehouse team provides the foundational infrastructure and tools that enable teams…
Added 13 mins ago
Senior Software Engineer II, Data Lakehouse
Braze
Toronto, ON
We're looking for a Senior Software Engineer to grow our Data Lakehouse team’s capacity for impact. The Data Lakehouse team provides the foundational infrastructure and tools that enable…
Added 28 mins ago
Operating Engineer - 3rd Class
Bunge
Hamilton, ON
Record production data, inventory movements, quality results, and operational activities in SAP and required reports.
Added 1 hour ago
Head of Software & Perception
SkyCan Systems
Toronto, ON
Full-time
SW Division Lead - Embedded Firmware, Perception, GCS & Product Security
Added 1 hour ago
ICT/Security Business Class Lead
HDR
Toronto, ON
Full-time
…where people work, connect, and thrive. From high-performance data centers driving the future of AI to dynamic commercial environments, your work will directly support technological…
Added 1 hour ago
Senior Water Resources Engineer
Dillon Consulting Limited
Guelph, ON · Hamilton, ON · Kingston, ON · Kitchener, ON · Oakville, ON · Toronto, ON · Windsor, ON · North York, ON
Full-time
Dillon's Water Resources team is seeking a Senior Water Resources Engineer to become an integral part of our multidisciplinary group of professionals. This is your chance to dive into…
Added 1 hour ago
Full Stack Engineer
Randstad Enterprise
Montreal, QC
Contract
You will support and lead different phases of the product lifecycle including analysis, development, and testing.
Added 1 hour ago
Technology - Brokerage Engineering - Principal Software Engineer
Questrade Financial Group
Toronto, ON
…proactively expanding scope to drive broader technical impact. Lead the delivery of highly complex tasks, ensuring exceptional quality within expected…
Added 2 hours ago
APPLICATIONS - ACCOUNT MANAGEMENT- APPLICATIONS ENGINEERING
Eclipse Automation
Cambridge, ON
Job Title: Account Manager - Applications Engineer
Added 4 hours ago
Regional Sourcing Manager (Electronics Lane)
Husky Technologies
Bolton, ON
Full-time
Support supplier quality engineer and suppliers with supplier audit process and part qualifications
Added 4 hours ago
Manufacturing Engineer (Contract)
Husky Technologies
Bolton, ON
Full-time
…passion of our people around the world and their desire to lead change. At the same time, we are not afraid to expect a lot and strive for leadership in all of our key markets. We are a…
Added 4 hours ago
Designer, Development (Service)
Husky Technologies
Bolton, ON
Full-time
…passion of our people around the world and their desire to lead change. At the same time, we are not afraid to expect a lot and strive for leadership in all of our key markets. We are a…
Added 4 hours ago
ERP Business Analyst
Husky Technologies
Bolton, ON
Full-time
At Husky TechnologiesTM, our success is based on your success. Our ability to keep our customers in the lead is based on building the strongest team possible.
Added 5 hours ago
Software Engineer – MLOPS
Ubisoft
Montreal, QC
Full-time
As a Machine Learning Operations Software Engineer at Ubisoft Montréal, you will help build reliable and scalable systems that protect the trust and safety of our players.
Added 5 hours ago
Senior Embedded Software Designer
Kepler Communications Inc.
Toronto, ON
Full-time
Design, develop, and maintain reliable, high-quality embedded software for both spacecraft and ground-based systems supporting a growing fleet of satellites<span…
Added 7 hours ago
Customer Quality Engineer
Modine Manufacturing Company
Calgary, AB
Full-time
We are seeking a Customer Quality Engineer (CQE) to serve as the primary quality interface between Modine and key data center customers. This role drives customer satisfaction, structured…
Added 8 hours ago
Manager, Software Engineering
AltaML
Toronto, ON
Full-time
Manage end-to-end solution quality in partnership with the pod lead, from design through deployment
Added 8 hours ago
Lead QA Engineer
Royal Bank of Canada
Toronto, ON
Full-time
We are looking for a highly experienced Quality Engineering (QE) Lead to drive Quality Engineering practices and test automation excellence for Emerging Payments application within RBC…
Added 10 hours ago
Regional Sourcing Manager (Electronics Lane)
Husky Technologies
Bolton, ON
Full-time
Support supplier quality engineer and suppliers with supplier audit process and part qualifications
Added 10 hours ago
Manufacturing Engineer (Contract)
Husky Technologies
Bolton, ON
Full-time
…passion of our people around the world and their desire to lead change. At the same time, we are not afraid to expect a lot and strive for leadership in all of our key markets. We are a…
Added 10 hours ago
Designer, Development (Service)
Husky Technologies
Bolton, ON
Full-time
…passion of our people around the world and their desire to lead change. At the same time, we are not afraid to expect a lot and strive for leadership in all of our key markets. We are a…
Added 10 hours ago
ERP Business Analyst
Husky Technologies
Bolton, ON
Full-time
At Husky TechnologiesTM, our success is based on your success. Our ability to keep our customers in the lead is based on building the strongest team possible.
Added 11 hours ago
Growth Engineer
NationGraph
Toronto, ON
$100,000 to $140,000 CAD / year
Full-time
A meaningful part of your work will reach customers and prospects directly. We’re looking for a strong engineer with taste: someone who cares about the quality of an interaction, the…

Questrade Financial Group

Technology - Brokerage Engineering - Principal Software Engineer

Toronto, ON, Canada

Pay: Base salary range: $130,000 - $170,000
Experience: 8+ years of professional software development experience, with a proven track record of shipping successful, large-scale full-stack applications.
Posting language: English
Posted: Sep 25, 2026

Apply About employer

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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?

The Principal Software Engineer is a hands-on technical leader who owns the design and delivery of complex systems within the squad’s portfolio. You will act as a force-multiplier for your team, leading the execution of highly complex engineering tasks and proactively expanding your technical scope to drive broader impact across the platform.

Leveraging your expert knowledge of C# .NET, you will drive technical excellence within your domain. You will support the Engineering Team Lead by setting high standards for innovation, mentoring engineers, and making key architectural decisions that ensure our digital investing platforms are scalable, performant, and robust.

Need more details? Keep reading…

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

Key Responsibilities

Technical Delivery & Ownership: Maintain ownership of systems within the squad’s portfolio, proactively expanding scope to drive broader technical impact. Lead the delivery of highly complex tasks, ensuring exceptional quality within expected timelines.
Architecture & Solution Design: Propose engineering solutions for highly complex systems within your domain. Collaborate with technical stakeholders on prototyping and research to influence the definition of solution architecture.
Leadership & Mentorship: Act as a technical leader within the team, performing highly complex engineering tasks while supporting the Engineering Team Lead and other engineers on implementation details. Mentor team members by reviewing code, sharing expertise, and guiding them through complex technical challenges.
Optimization & Troubleshooting: Troubleshoot and optimize solutions for highly complex issues. Apply expert knowledge to resolve performance bottlenecks in real-time data streaming, database queries, and client-side rendering.
Quality Assurance: Define and execute complex test plans, including unit, integration, and performance tests. Ensure the team follows industry best practices for quality and automation.
Innovation: Stay up-to-date on industry trends and evaluate new technologies. Make decisions on localized system choices (e.g., library selection, code refactoring) within established frameworks and approved technologies.
Collaboration & Communication: Collaborate closely with cross-functional teams (Product, Design) to translate business requirements into technical solutions. Clearly explain complex technical concepts to both technical and non-technical teammates. Write clear documentation and design proposals.

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

BS or Master’s 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 shipping successful, large-scale full-stack applications.

Backend Expertise: Deep expertise in C# .NET (or expert-level knowledge in another modern backend language like Java, Go, Python, or Node.js with a willingness to work in .NET). C++ nice to have.
API Design: Proven experience architecting and building scalable RESTful and WebSocket APIs.
Software Design: Deep understanding and application of object-oriented programming (OOP), SOLID principles, and other software design patterns.
Architecture: Mastery of event-driven architecture and message queues (e.g., PubSub, Kafka, RabbitMQ). Expert knowledge of engineering principles and strong knowledge of multiple architectural patterns.
Data & Cloud: Strong experience with SQL and NoSQL databases, as well as major cloud providers (AWS, GCP, or Azure).
Core Frontend: Mastery of JavaScript/TypeScript and modern frontend ecosystems.

Leadership & Soft Skills

Ability to exceptionally perform and lead others on highly complex engineering tasks by applying or researching best solutions.
Proven experience acting as a technical reference and supporting team decision-making.
Strong ability to document technical solutions and lead technical discussions within the team.
Excellent analytical skills to troubleshoot highly complex issues and propose efficient engineering solutions.

Compensation Information:

Base salary range: $130,000 - $170,000
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.

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More about this job

Responsibilities

The Principal Software Engineer will lead the design and delivery of complex systems while acting as a technical mentor to the engineering team. They are responsible for driving technical excellence, optimizing system performance, and collaborating with cross-functional teams to translate business requirements into scalable solutions.

Requirements

Candidates must have at least 8 years of professional software development experience with deep expertise in C# .NET and full-stack application development. A degree in Computer Science or a related field is required, along with mastery of modern architectural patterns and cloud technologies.

Skills

C# .NET
Software architecture
API design
RESTful APIs
WebSocket APIs
Event-driven architecture
Message queues
SQL
NoSQL
JavaScript
TypeScript
Cloud computing
Technical leadership
Mentorship
Performance optimization
System design

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

C#
.NET
Software Engineering
Fintech
API
RESTful
WebSocket
Event-driven architecture
PubSub
Kafka
RabbitMQ
SQL
NoSQL
AWS
GCP
Azure
JavaScript
TypeScript
Full-stack
Object-oriented programming
SOLID principles
Cloud computing
System design
Performance tuning
Technical leadership
Mentorship
Agile
Brokerage
Investment platforms
Software development

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