Security engineer, application securityActive$132K–$258K

The opportunity

WRITER is where the world's leading enterprises orchestrate AI-powered work. Our vision is to expand human capacity through superintelligence.

What you'll do

  • Build security into the DNA of our AI platform by conducting threat modeling: sessions with product teams, designing secure architectures for new features, and ensuring security considerations shape product decisions from day one—not after the fact

  • Own and evolve our application security program including establish and: maintain SAST/DAST scanning in CI/CD pipelines, conducting security code reviews for critical changes, and building automation that catches vulnerabilities before they reach production

  • Partner with engineering teams to establish and champion secure coding: standards, creating reusable security patterns and libraries that make it easier for developers to build securely by default

  • Design and recommend security features and products that help secure customer: environments. You are the advocate and the vision for how we protect and secure customers..

  • Integrate and leverage AI agents to help increase velocity for the security: team and the overarching engineering org to ensure that we are proactive in minimizing risk while we build products

  • Lead security assessments and penetration testing of WRITER's applications,: AI services, and APIs, identifying vulnerabilities across our tech stack and working collaboratively with teams to remediate issues at scale

What they're looking for

  • Design and implement security controls for protecting data pipelines, model: training environments, and customer-facing AI agents
  • Stay ahead of emerging threats in the AI/ML security landscape, researching: attack vectors specific to LLMs and generative AI, and proactively building defenses against novel risks
  • Minimum 4 years of hands-on experience in application security engineering,: with a proven track record of securing large-scale production systems—bonus points if you've worked in fast-growing startups or high-growth environments
  • Understanding of developer experience and developer workflows for shipping: features and products. You care deeply about reducing risk while considering velocity of engineers.