Senior Backend Engineer, Customer Facing

OX Security is seeking a CFG (Customer-Facing) Developer to support and enhance the secure deployment and ongoing operation of our platform. This role is ideal for an experienced engineer who thrives in complex infrastructure scenarios, enjoys working directly with customer environments, and is excited about building scalable, secure, and maintainable solutions.

You'll work closely with backend engineers, DevOps, and customer success teams to deploy, configure, and support the product in customer-owned infrastructure. This position is critical for ensuring the seamless functioning of our product in highly regulated or restricted customer environments.

• Collaborate with customer success managers and backend/frontend engineers to define deployment-friendly system architecture and integrations for on-prem customers.
• Automate installation and upgrade workflows with minimal external dependencies.
• Troubleshoot deployment issues in various customer-controlled environments, often with limited observability, and ensure rapid resolution and minimal downtime.
• Participate in customer calls to gather insights and continuously improve the on-prem experience.
• Contribute to documentation and tooling for internal teams and end users deploying on-prem.

• Bachelor’s degree in Computer Science or related field.
• Minimum 5 years of experience in backend development.
• Proficiency in Node.js and scripting for infrastructure automation (e.g., Bash, Python).
• Understanding of Kubernetes, Helm, and container-based deployment workflows.
• Excellent troubleshooting and debugging skills, especially in unfamiliar or customer-specific setups.