Staff security engineer, application security
Writer · New York City
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- Company
- Writer
- Location
- New York City
- Employment type
- Full-time
- Salary
- 401k
- Posted
- September 24, 2026
About this job
📐 ABOUT THE ROLE This is where security meets innovation at enterprise scale. As a staff security engineer, applications at WRITER, you'll be building the security foundations that protect the AI systems powering some of the world's most recognizable brands. You'll work at the intersection of application security, AI infrastructure, and developer enablement—partnering with engineering teams to embed security into every line of code while ensuring our platform remains both powerful and trustworthy. The opportunity is massive: you'll help define how enterprise AI applications are secured, from threat modeling our LLM architectures to building automated security controls that scale across our growing platform.…
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