Senior Engineer, Application Security
Lightspeed Commerce — Calgary
Posted 2026-10-09
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Are you actively looking for a new opportunity? Or just checking the market? Well… you might just be in the right place!
As a Senior Application Security Engineer, you will serve as a foundational anchor on the AppSec team, leading our strategic shift hard-left toward developer-embedded security and Secure by Design operationalization. You will design, build, and scale state-of-the-art AppSec practices while collaborating closely with Vulnerability Operations to streamline vulnerability triage and remediation. Leveraging cutting-edge AI-assisted workflows and modern automation, you will eliminate friction for developers, burn down legacy risks, and fortify software lifecycles against sophisticated, emerging threat vectors.
What you’ll be doing:
- Operationalize Secure by Design principles end-to-end, embedding seamless security controls directly into feature designs, pull requests, IaC checks, and daily engineering workflows.
- Architect high-impact feature and infrastructure threat models, validating and enhancing advanced AI-generated threat modeling pipelines.
- Configure, fine-tune, and orchestrate SAST, DAST, SCA, Secrets, and LLM s