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Senior Backend Engineer- Agentic Pentest at OX Security · Trevo
More fit checks, tailored CVs, and complete prep for every role.
Job Description
About the role
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.
What you'll do
What 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
Requirements
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
Nice to have
Experience in the cybersecurity, SaaS, or Cloud Security domain.
Hands-on experience with modern cloud environments (AWS/GCP), Docker, and Kubernetes.
Employment & Benefits Package (via Commit)
We partner with Commit offshore, which acts as our official local Employer of Record, to manage payroll, local compliance, and provide top-tier benefits for our team members:
100% Remote
Paid Time Off (PTO): 20 days of annual leave & 5 Sick Days to support your health and work-life balance.
Gifts & Events: Gifts on your birthday & holidays, along with company events to keep you connected and appreciated.