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

sentinellabs; United States; Remote; USD 156,000 - 215,000; Full time

Benefits offered by this job

Equity awards

Stock purchase plan

Flexible time off

Paid holidays

Sick time

Parental leave

Health benefits

Retirement benefits

Wellness support

Home office allowance

Mobile phone allowance

Job summary

sentinellabs is seeking a staff backend engineer to build scalable APIs and services for an AI security product. You will design and operate secure, cloud-based backend systems, collaborate with frontend teams, and shape microservices architecture for reliable deployments.

The role emphasizes data protection, performance optimization, and robust cloud deployment practices across environments in the United States.

Qualifications

• At least eight years of backend development experience with Node.js and TypeScript.
• Experience managing databases and designing REST APIs; GraphQL familiarity is an advantage.
• Experience designing and implementing microservices.
• Knowledge of scaling and performance techniques, including caching, message queues, and distributed architectures.
• Experience implementing authentication, authorization, and data protection.
• Strong problem-solving, communication, and collaboration skills.

Responsibilities

• Design, develop, and maintain server-side applications and APIs.
• Build and optimize database schemas, queries, and storage approaches.
• Integrate backend services with user-facing applications in partnership with frontend developers.
• Contribute to service architecture and code reviews, including microservices design.
• Diagnose, debug, and improve existing systems while applying security and data protection measures.
• Deploy and manage services using cloud platforms, and keep current with relevant backend practices.

Skills

Node.js (backend)

TypeScript

REST APIs

GraphQL

Microservices

Security & data protection

Caching & queues

Distributed architectures

Authentication & Authorization

Cloud deployment

Problem solving

Communication

Tools

PostgreSQL/MySQL

Redis

Docker

Kubernetes

REST/GraphQL tooling

Job description

Role overview

Build backend services for an AI security product that monitors AI assets, assesses risks, and provides actionable insights. This staff-level engineering role covers the design and operation of scalable APIs and services, with an emphasis on security, data protection, and reliable deployment in cloud environments.

Responsibilities

• Design, develop, and maintain server-side applications and APIs.
• Build and optimize database schemas, queries, and storage approaches.
• Integrate backend services with user-facing applications in partnership with frontend developers.
• Contribute to service architecture and code reviews, including microservices design.
• Diagnose, debug, and improve existing systems while applying security and data protection measures.
• Deploy and manage services using cloud platforms, and keep current with relevant backend practices.

Requirements

• At least eight years of backend development experience with Node.js and TypeScript.
• Experience managing databases and designing REST APIs; GraphQL familiarity is an advantage.
• Experience designing and implementing microservices.
• Knowledge of scaling and performance techniques, including caching, message queues, and distributed architectures.
• Experience implementing authentication, authorization, and data protection.
• Strong problem-solving, communication, and collaboration skills.

Benefits and work setup

• The listing describes equity awards, a stock purchase plan, flexible time off, paid holidays and sick time, parental leave, health and retirement benefits, wellness support, and home office and mobile phone allowances.
• The U.S. base salary range is $156,000–$215,000, with variation by location.