Application Security Engineer
Braintrust DataSan Francisco, California, United States • New York, New York, United States • Seattle, Washington, United States
Posted May 7, 2026
Full Time
About the Company
Braintrust Data offers an enterprise-grade AI stack designed to simplify the integration of AI into businesses. The platform streamlines processes with tools for evaluations, prompt playgrounds, and data management, reducing uncertainty and tedium. Braintrust's focus on efficiency and ease of use sets it apart in the AI industry.
Job Description
Braintrust is the AI observability platform. We're looking for an Application Security Engineer who can lead threat models, review code, and build secure-by-default libraries. The ideal candidate has 5+ years of experience in application security, product security, or backend engineering with a security focus, and is a strong code reader and writer in at least two languages.
Requirements
- 5+ years in application security, product security, or backend engineering with a security focus
- Strong code reading and writing skills in at least two of TypeScript/Node.js, Python, Go, or Rust
- Deep knowledge of common web and API vulnerability classes and the architectural patterns that prevent them
- Hands-on experience with authn/authz design, multi-tenant data isolation, and secrets/key management at scale
- Comfortable with the realities of a high-availability data platform: real-time pipelines, ingestion at scale, semi-structured data, Postgres, Redis, AWS
Benefits
- Medical, dental, and vision insurance
- Daily lunch, snacks, and beverages
- Flexible time off
- Competitive salary and equity
- AI Stipend
- Equal opportunity
