Top Engineering Jobs in Montréal, QC

Lead and deliver AI-native full‑stack engineering projects from prototype to production. Collaborate with PM, design, and analytics, mentor engineers, define technical plans, ensure operational reliability, and drive quality, code review standards, and on-call support for rapid, experiment-driven product development.

The Senior Staff Software Engineer will architect Affirm's lakehouse analytics platform, implement data governance, mentor engineers, and collaborate cross-functionally to optimize data infrastructure and solutions.

Build and maintain backend systems for money movement and card ledger features. Design, develop, and launch scalable APIs and services (Python or Kotlin) using AWS, MySQL, and Kubernetes. Collaborate with product, design, data science, and cross-functional teams, support operations and on-call, create and monitor metrics, participate in code reviews and hiring, and deliver well-tested, extensible solutions.

The Staff Software Engineer, Backend for Capacity Modeling develops scalable backend systems, maintains capacity models, and collaborates on technical strategies while ensuring system availability and high-quality code delivery.

The role involves designing and expanding the platform's backend to enhance merchant lifecycle orchestration, executing technical strategy, and improving engineering standards.

Own and deliver high-availability, low-latency Trust & Safety systems across backend, web, and mobile. Lead engineering delivery, collaborate with product/design/analytics, improve operational metrics and on-call reliability, set code and design standards, and mentor teammates.

You will lead engineers to meet quarterly goals, support product development, solve complex issues, and foster talent development in your team.

As a Senior Software Engineer, you will lead and support backend system projects focusing on security within Kubernetes and cloud infrastructure.

Design and implement CIAM backend services for registration, authentication, and account management across B2C and B2B platforms, utilizing security standards and automation practices.

As a Senior Software Engineer, you'll lead the backend systems for Affirm's Growth Platform, collaborating and delivering projects while fostering quality and ownership within the team.