Full Stack Software Engineer

Qorsa • Full-time • Waterloo, ON, CA • 1w ago

About Qorsa

Qorsa is a Canadian post-quantum cryptography and cybersecurity company building CasQade — a crypto-agile security platform protecting sovereign government, defence, financial, and critical-infrastructure networks against current and emerging cryptographic threats. We are headquartered in Waterloo, Ontario, with a European subsidiary in The Hague, Netherlands. Our work spans post-quantum cryptography, explainable AI, AI-driven threat intelligence, cryptographic agility, hardware security, and distributed systems, with active engagements across Canadian defence, NATO, and allied partner organizations.

The Role

We are hiring a Full Stack Software Engineer to build the operator side of CasQade, our crypto-agile security platform. Customers use it to see and manage the security of their systems in real time.

You will work on the backend services and APIs behind the platform and the browser interface on top, alongside our platform and security engineers.

Our customers run sensitive networks, often fully offline. The interface has to be fast, clear and dependable for security and operations teams who rely on it to make decisions about their whole estate.

Responsibilities

Build features in the operator interface, including onboarding, live status views and operator controls
Design and maintain versioned APIs used by the interface, our other services and customer automation
Build real-time views of activity across customer environments
Process incoming data from customer systems and store what operators need to search later
Integrate the interface with the rest of the platform’s services
Make sure the product runs on air-gapped networks with no external services or CDNs
Write unit and integration tests, and review other engineers’ code
Work with solutions architects on features customers ask for during deployments

What We’re Looking For

3+ years building web applications, with production work on both the backend and the frontend
Strong experience in a backend language such as Go, Rust or Java
Solid JavaScript or TypeScript, HTML and CSS
Experience designing REST APIs and working with SQL databases
An understanding of TLS and certificate-based authentication from an application developer’s point of view
Experience building real-time features in the browser with WebSockets or server-sent events
Excellent communication skills and comfort working across disciplines
Eligibility for Government of Canada security clearance (Secret level)