App Security Expert – Remote (Worldwide)

About the Role

IMPORTANT: after you apply, please check your email. We sendyou a link to complete your application — it is not considered until that laststep is done. If you do not see it, check your spam folder. This is a fully remote position , open to candidates based in 55 countries, including United States, United Kingdom, Canada, Germany, India, France, Netherlands, Singapore. Pay: $40–$80/hr Role Title: App Security Expert Role Type: Contractor Location: Remote We are engaging App Security Experts to contribute to a customer’s dynamic project focused on real-world application security. 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. 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

Requirements & Qualifications

• Strong problem solving foundations, knowledge of modern engineering practices, and interest in technology systems.

Perks & Benefits

• Official mentor support
• verified hiring timeline
• and career progression.