Senior Backend Engineer - E-commerce & Cloud

Garage Collective; Mount Royal; Hybrid; CAD 90,000 - 120,000; Full time

Job summary

Groupe Dynamite, parent of Garage and Dynamite brands, is seeking a Senior Engineer I in its Digital Development team to lead backend feature work powering our e-commerce apps used by millions.

You will mentor engineers, influence architecture, and collaborate with product, QA, and UX to deliver scalable, observable services on GCP, NestJS, GraphQL, and .NET/Node.js stacks, embracing AI-driven tooling.

Qualifications

• Bachelor's degree in Computer Science, Engineering, or Information Technology.
• 5+ years of software development experience in Agile product teams.
• 5+ years of experience extending software applications using .NET Framework or Java.
• 4+ years of experience building integrations using RESTful APIs.
• Expertise in .NET and Node.js/TypeScript with production cloud deployments (GCP, AWS, or Azure).
• Deep understanding of distributed-system patterns, API versioning, and data modeling.
• Track record of improving team velocity and code quality through reviews and tooling.
• Excellent communication and stakeholder-management skills.
• Familiarity with modern development processes, accelerated by AI-driven tools.

Responsibilities

• Work collaboratively within an Agile team to build out new features and maintain existing functionalities using Node.js, .NET Framework, React Native, Salesforce Commerce Cloud (OCAPI and SCAPI), and Google Cloud Platform (Cloud Run functions and Firebase).
• Improve our BFF (backend for frontend) layer using NestJS and GraphQL to enable use cases across disparate E-commerce backend systems.
• Create automated tests as living documentation of business requirements and hedge against future regressions.
• Regularly contribute to the team’s Confluence space to document ongoing changes.
• Take the lead on developing the future state architecture to automate more steps, reduce friction points, and elevate access and control for business users.
• Contribute to a culture of growth through PR reviews, pair programming, brainstorming, and knowledge-sharing sessions.
• Own the solution, following up on post-release monitoring and identifying areas of concern as well as reasons to celebrate.
• Communicate effectively with product owners, developers, and QA resources to align on and elevate processes.
• Own end-to-end delivery of complex epics—from technical design through production monitoring.
• Drive improvements to scalability, resiliency, and observability of backend services.
• Facilitate design reviews, pair programming, and knowledge-sharing sessions.
• Coach and mentor Engineers I/II/III; provide actionable feedback.
• Collaborate with Product, QA, and UX to refine requirements and estimate scope.
• Champion engineering best practices (coding standards, security, testing, DevOps).
• Leverage AI-driven tools heavily in day-to-day development, demonstrating both familiarity and a passion for using AI to deliver value from code development, reviews, debugging, etc.

Skills

Excellent communication

Stakeholder management

Mentoring/leadership

Agile teamwork

Problem solving

Education

Bachelor's degree in Computer Science, Engineering, or Information Technology

Tools

Node.js

TypeScript

.NET Framework

React Native

Salesforce Commerce Cloud

NestJS

GraphQL

Google Cloud Platform (GCP)

Cloud Run

Firebase

Kubernetes

Serverless

Job description

Groupe Dynamite, parent of Garage and Dynamite brands, is seeking a Senior Engineer I in its Digital Development team to lead backend feature work powering our e-commerce apps used by millions.

You will mentor engineers, influence architecture, and collaborate with product, QA, and UX to deliver scalable, observable services on GCP, NestJS, GraphQL, and .NET/Node.js stacks, embracing AI-driven tooling.