Senior Backend Engineer - Prompt Security (Node.js / TypeScript)

SentinelOne is an AI-native cybersecurity company that unifies protection across endpoint, cloud, identity, data, and AI systems. The Senior Backend Engineer will build scalable backend infrastructure and APIs for an AI security product, including monitoring AI assets, assessing risks, enforcing security policies, and supporting safe, compliant AI deployment.

Responsibilities:

• Design, develop, and maintain scalable server-side applications and APIs
• Implement and optimize database schemas, queries, and data storage solutions
• Collaborate with frontend developers to integrate user-facing elements with server-side logic
• Participate in code reviews and contribute to architectural decisions
• Troubleshoot, debug, and upgrade existing systems
• Implement security and data protection measures
• Work with cloud services (e.g. AWS, Azure, or GCP) to deploy and manage backend services
• Contribute to the development of microservices architecture
• Stay updated with emerging backend technologies and industry best practices

Requirements:

• 5 or more years of backend development experience in Node.js and TypeScript
• Experience with database management
• Experience developing and integrating APIs, including designing and building RESTful APIs; familiarity with GraphQL is a plus
• Experience designing and implementing microservices
• Experience with scalability and performance optimization, including caching strategies, message queues, and large-scale, distributed architectures
• Experience implementing authentication, authorization, and data protection mechanisms
• Strong problem-solving skills
• Communication and collaboration skills