Design, build, and optimize scalable backend systems and APIs; collaborate on architecture; troubleshoot production issues; lead code reviews; mentor junior engineers; improve reliability, performance, and security of the platform.
Description
About the Position
Ox Security secures the AI-driven SDLC from prompt to production. We eliminate critical, real-time risks from AI code generation through cloud runtime by doing what conventional tools can’t: unifying development and cloud context to stop vulnerabilities right at the source. At OX, we’re building the future of cyber security for the AI era. If you’re looking to work on disruptive technology with an amazing team, you belong here.
We’re growing fast and looking for a Senior Backend Engineer to join our Engineering team and help build the infrastructure that powers our platform at scale.
This is a high-impact role where you’ll work alongside top-tier engineers, designing and building secure, high-performance systems in a fast-paced environment. If you enjoy solving complex technical challenges and want your work to have real impact - we’d love to meet you.
ResponsibilitiesWhat You’ll Be Doing
- Design and implement scalable backend systems and APIs
- Collaborate with Product, Frontend, and other engineering teams on system architecture and requirements
- Optimize performance, scalability, and security of applications
- Troubleshoot and resolve production issues with minimal downtime
- Lead code reviews and promote best engineering practices
- Mentor and support junior engineers
- Continuously improve system design, reliability, and development processes
What We’re Looking For
- Bachelor’s degree in Computer Science or a related field
- 5+ years of experience in backend development
- AI-First Approach – Active and proficient use of AI tools (e.g., Copilot, LLMs) to streamline coding practices, accelerate learning curves, and optimize workflows.
- Strong experience building scalable, production-grade systems
- Proficiency in Node.js
- Experience with SQL and NoSQL databases
- Familiarity with cloud platforms and microservices architecture
- Strong problem-solving skills and attention to detail
- Passion for writing clean, maintainable, and efficient code
Bonus Points for :
- Experience in the cybersecurity, SaaS, or Cloud Security domain.
- Hands-on experience with modern cloud environments (AWS/GCP), Docker, and Kubernetes.
Benefits Package (via Vensure)
We partner with Vensure to provide top-tier benefits for our Canada-based team members:
- Comprehensive Health Coverage: Medical, Dental, and Vision plans to keep you and your family healthy.
- Unlimited Paid Time Off (PTO): We offer unlimited vacation because we trust you to take time when you need it and to manage your time effectively. We value work-life balance and want you to recharge.
- Gifts on your birthday & anniversary & Holidays.
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With roots dating back to 1642, Montreal is often recognized for its French-inspired architecture and cobblestone streets lined with traditional shops and cafés. But what truly sets the city apart is how it blends its rich tradition with a modern edge, reflected in its evolving skyline and fast-growing tech industry. According to economic promotion agency Montréal International, the city ranks among the top in North America to invest in artificial intelligence, making it le spot idéal for job seekers who want the best of both worlds.
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