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Backend Software Engineer

Theori

winnipeg, mb, Canada Full-time July 13, 2026

Found Description

We’re looking for an experienced backend engineer to help build and scale the next generation of AI-driven cybersecurity platforms at Theori. You’ll play a key role in architecting and implementing core backend systems that power Xint, our autonomous penetration testing framework. This is a foundational role in our NA engineering team—ideal for someone who thrives on solving complex systems challenges, enjoys designing for scale and reliability, and wants to help define engineering excellence in a fast-growing, AI-first company. Key Responsibilities

Architect, develop, and maintain backend services and APIs that power Theori’s AI security platforms. Design for performance, scalability, and fault-tolerance across distributed systems. Collaborate with product and frontend engineers to define and deliver secure, well-structured APIs. Build and optimize data pipelines supporting LLM agent workflows and real-time scanning. Establish backend best practices, coding standards, and CI/...

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