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

SentinelOne, Inc.; New York (NY); On-site; USD 140,000 - 190,000; Full time

Benefits offered by this job

Medical, dental, and vision coverage

Employee assistance program

Gym reimbursement

Incentive-based challenges

Mental health support

Unlimited Time Off

Parental Leave (16 weeks)

Volunteer Time Off

Paid Sick Time

Paid Holidays

Restricted Stock Units

Flexible Spending Accounts

Life Insurance

Disability Insurance

401K

Team building activities

Social and town hall events

Community volunteering events

Job summary

SentinelOne, Inc. seeks a Senior Back-End Engineer to build backend infrastructure for our AI security product, focusing on monitoring AI assets, assessing risks, and delivering actionable insights.

You will design, develop, and maintain scalable server-side applications, APIs, and data storage, while enforcing security policies and enabling safe AI deployment. Collaboration with frontend teams and cloud services is essential.

Qualifications

• 5+ years of backend development experience with Node.js and TypeScript.
• Experience with database management.
• Strong problem-solving and collaboration skills.
• Experience designing and integrating RESTful APIs; GraphQL is a plus.
• Experience implementing authentication, authorization, and data protection.

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 UI with server-side logic.
• Participate in code reviews and drive architectural decisions.
• Troubleshoot, debug, and upgrade existing systems; implement security measures.

Skills

Node.js

TypeScript

RESTful APIs

GraphQL

Authentication & Authorization

Security & Data Protection

Microservices

Scalability & Performance

Cloud Services (AWS/Azure/GCP)

Database Management

Job description

• As a Senior Back-End Engineer, you will be tasked with building backend infrastructure for our AI security 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
• 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

Benefits

• Medical, dental, and vision coverage
• Employee assistance program
• Gym reimbursement
• Incentive-based challenges
• Mental health and mindfulness
• Unlimited Time Off
• Grandparent Leave
• Volunteer Time Off
• Paid Sick Time
• Paid Holidays
• 16 weeks Gender-Neutral Parental Leave
• Restricted Stock Unit Program
• Flexible Spending Accounts
• Life Insurance
• Short and Long Term Disability Insurance
• 401K
• Team building activities
• Celebrations and social gatherings
• Community volunteering events
• Global all hands and local town hall events

We’re 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 conceptsThose who thrive here actively seek out new solutions, experiment thoughtfully, and apply what they learn to drive better, faster, smarter outcomesExperience designing and implementing microservicesExperience with scalability and performance optimization, including caching strategies, message queues, and large-scale, distributed architectures5 or more years of backend development experience in Node.js and TypeScriptExperience with database managementStrong problem-solving skillsCommunication and collaboration skillsExperience developing and integrating APIs, including designing and building RESTful APIs; familiarity with GraphQL is a plusExperience implementing authentication, authorization, and data protection mechanisms