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Open nowPosted 7 days ago

App Security Expert, Remote - Contract

xperteez208 open roles

Where
International
Work mode
Remote
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Your applicationOpen nowApp Security Expert, Remote - Contractxperteez · International

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The clock on this job

Early applications get read.

11.8% of postings close within 7 days. Measured by our own scanner across the market.

Share of postings closed within
  1. 2.1%1 day
  2. 4.4%3 days
  3. 11.8%7 days
  4. 18.6%14 days
  5. 35.6%30 days
  6. 45.1%60 days
This job: posted 7 days ago

The posting

Role Title: App Security Expert

Role Type: Contract

Location: Remote

In this role, you'll apply your expertise to help train next-generation AI systems. Your work will shape how models learn, reason, and perform through high-quality, real-world input. No prior experience in AI is required — your domain knowledge is what matters.

Required Skills: OSWE, LLM security, Ai-sast evaluation, Appsec, Agent security architecture

Scope of Work

  • Design and implement small, purpose-built application fixtures with embedded security vulnerabilities or secure solutions, specifically addressing OWASP LLM risks such as Sensitive Information Disclosure and Excessive Agency.
  • Develop deterministic test cases and security-context manifests to robustly assess application security posture.
  • Create detailed hidden answer keys to enable accurate AI or scanner evaluation of vulnerable versus secure code.
  • Evaluate and iterate on pipeline methodologies to ensure synthetic tasks and fixtures are challenging yet realistic for AppSec assessment.
  • Document technical insights and methodologies, ensuring clarity in written feedback and communication.
  • Collaborate through clear and thorough written and verbal communication to share findings and review peer contributions.
  • Engage with agent-based security architecture and contribute to continuous improvement of the evaluation pipeline.

Preferred Qualifications

  • Extensive experience (ideally 5+ years) in application security, secure software development, or CyberSWE roles.
  • Strong understanding of OSWE, LLM security, AI-powered static analysis (AI-SAST), and AppSec best practices.
  • Proven track record designing or evaluating security architecture for traditional and agent-based applications.
  • Expertise in building, securing, and testing application codebases, including identifying and remediating advanced vulnerabilities.
  • Exceptional written and verbal communication skills, with a focus on precise technical documentation and collaborative feedback.
  • Experience with synthetic security fixtures and deterministic testing approaches is highly desirable.
  • Demonstrated ability to deliver thoughtful insights and actionable security recommendations in a remote contribution context.
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