Full-time

Senior Software Developer, Defensive Security

Posted by Themis Solutions Inc. • Toronto, ON, Canada

📍 Toronto, ON 🕒 February 22, 2026

About the Role

Senior Software Developer, Defensive Security

Clio is the global leader in legal AI technology, empowering legal professionals and law firms of every size to work smarter, faster, and more securely.

We are currently seeking a Senior Developer to join our rapidly growing Defensive Security team. The Application Security team is responsible for emulating real-world adversaries to proactively discover, exploit, and help remediate critical security vulnerabilities across our applications. We provide an essential adversarial perspective, challenging our defences and partnering with development teams to eliminate flaws before they can be abused.

This role is for someone who is passionate about building innovative solutions and being exposed to new challenges and technologies while making an impact. This role is available to candidates across Canada. If you are local to one of our hubs (Burnaby, Calgary, or Toronto) you will be expected to be in office minimum ...

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