Staff Application Security Engineer - AI Platform

Writer; United States; Hybrid; USD 170,000 - 210,000; Full time

Benefits offered by this job

Health insurance

Parental leave

Hybrid work

Stock options

401k

Job summary

Writer is seeking a Staff Security Engineer to build scalable security foundations for AI systems powering top brands. You’ll embed security into every line of code, secure LLM architectures, and define threat models across the platform.

The role is hybrid with offices in NYC, SF, and Seattle, reporting to the head of security engineering. You’ll lead security reviews, automate vulnerability detection, and champion secure coding standards company-wide.

Qualifications

• 4+ years in application security engineering or equivalent
• 2

Responsibilities

• Lead threat modeling for AI/ML platforms and secure architectures for new features
• Establish and maintain SAST/DAST in CI/CD pipelines and perform secure code reviews
• Develop reusable security patterns and libraries for developers to ship securely
• Collaborate with product and engineering teams to embed security by design
• Conduct security assessments and pen tests on applications, services, and APIs

Skills

Security engineering

Threat modeling

SAST/DAST

DevSecOps

Secure coding

Python

Java

Go

JavaScript

TypeScript

CI/CD tooling

Code reviews

Automation

Communication

Tools

SAST tools

DAST tools

Vulnerability management

Security testing frameworks

Job description

Writer is seeking a Staff Security Engineer to build scalable security foundations for AI systems powering top brands. You’ll embed security into every line of code, secure LLM architectures, and define threat models across the platform.

The role is hybrid with offices in NYC, SF, and Seattle, reporting to the head of security engineering. You’ll lead security reviews, automate vulnerability detection, and champion secure coding standards company-wide.