Senior Backend Engineer- Prompt Security

Our Purpose

At SentinelOne we are driven by a clear purpose: to give the advantage to those who secure our future. As AI reshapes how organizations build operate and innovate the responsibility to protect them becomes more critical than ever. When you join SentinelOne your work helps protect global enterprises critical infrastructure and the technologies shaping tomorrow. If you are motivated by meaningful challenges and want your impact to be real measurable and global you will find purpose here.

About Us

SentinelOne is a company at the intersection of AI and security pioneering a new operating model for cybersecurity. Our AI-native platform unifies protection across endpoint cloud identity data and AI systems to deliver autonomous detection and response with clarity and speed. By combining real-time analytics intelligent automation and a unified data foundation we reduce noise simplify complexity and empower security teams to focus on what truly matters.

Our teams are builders problem-solvers and innovators committed to shaping the future of security. If you are excited to solve hard problems alongside talented mission-driven people we invite you to help us build a safer future for humanity.

What Are We Looking For

Were looking for people who are relentlessly curious and committed to continuous learning. AI is reshaping every function across our business and we enable every team member regardless of role or level to build fluency in AI tools and concepts. Those who thrive here actively seek out new solutions experiment thoughtfully and apply what they learn to drive better faster smarter outcomes.

As a Senior Back-End Engineer you will be tasked with building backend infrastructure for a new AISPM product focused on monitoring AI assets assessing risks and delivering actionable insights. You will work in a fast-paced innovative environment that requires agility adaptability and continuous iteration. Your work will also include enforcing security policies and ensuring safe compliant AI deployment while contributing to the future of cybersecurity.

What Will You Do

Primary responsibilities include:

• 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.

What Skills and Knowledge Will You Bring

Ideal candidates will have:

• 5 years of Backend development experience in and Typescript
• Database Management
• API Development and Integration with experience designing and building RESTful APIs along with familiarity with GraphQL is a plus
• Experience in designing and implementing microservices
• Scalability and Performance Optimization -Understanding of caching strategies and message queues and experience with large-scale distributed architectures
• Experience implementing authentication authorization and data protection mechanisms
• Excellent problem-solving skills and attention to detail
• Proactive attitude and ability to thrive in a dynamic startup environment
• Communication and collaboration skills

Why SentinelOne

AI is redefining how the world operates and rewriting the rules of security in real time and SentinelOne was built for this moment. From day one we architected an AI-native platform designed to operate at machine speed not as an add-on to legacy systems but as the foundation itself. If you want to build where innovation and impact move together this is that place.

We invest in our Sentinels with comprehensive competitive benefits designed to support you and your family:

Equity & Rewards

• Restricted Stock Units (RSUs)
• Employee Stock Purchase Plan (ESPP)

Time Off & Wellbeing

• Competitive leave benefits
• Gender-neutral parental leave
• Employee Assistant Program
• Workout sessions and a Wellness App

Insurance & Financial Security

• Medical and insurance benefits
• Pension
• Employee Assistance Program (EAP)

Work Perks & Flexibility

• Global home office allowance
• Mobile phone reimbursement
• Study Fund