Senior Backend Engineer - Prompt Security (Node.js / TypeScript)
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What you'll do
- 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 they're looking for
- 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.
- 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.
Nice to have
- Familiarity with GraphQL is a plus.
Summarised by NextRaise from the employer’s description, which follows in full below.
Full description from employer
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?
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 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 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.
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 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.
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
- Flexible time off
- Paid company holidays and paid sick time
- Gender-neutral parental leave
- Grandparent leave
Insurance & Financial Security
- Medical, dental, and vision coverage
- 401(k) retirement plan with company match
- Life and disability insurance
- Health and dependent care FSA
- Voluntary benefits (hospital, accident, critical illness)
- Employee Assistance Program (EAP)
- ARAG pre-paid legal
- Nationwide pet insurance
- Cancer Care program
- Global business travel medical insurance
Work Perks & Flexibility
- Home office allowance
- Mobile phone reimbursement
Wellness & Lifestyle
- Wellness coach
- Wellness/gym reimbursement
- Fertility coverage
- Adoption & surrogacy reimbursement
This U.S. role has a base pay range that will vary based on the location of the candidate. For some locations, a different pay range may apply. If so, this range will be provided to you during the recruiting process. You can also reach out to the recruiter with any questions.
SentinelOne is proud to be an Equal Employment Opportunity and Affirmative Action employer. We do not discriminate based upon race, religion, color, national origin, gender (including pregnancy, childbirth, or related medical conditions), sexual orientation, gender identity, gender expression, age, status as a protected veteran, status as an individual with a disability, or other applicable legally protected characteristics.
SentinelOne participates in the E-Verify Program for all U.S. based roles.
Company
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