Remote Senior App Security Engineer – AI/LLM Risk

Jobgether; Turkey; Remote; TRY 2,729,000 - 5,459,000; Full time

Benefits offered by this job

Competitive hourly pay

Fully remote work

Long-term contract

Freelance / independent contractor

Immediate availability

Cutting-edge security challenges

Meaningful technical impact

Collaborative remote environment

Job summary

Jobgether is seeking an App Security Expert based in Turkey to strengthen security for traditional and AI-powered applications, with a focus on LLM risks such as information disclosure and excessive agency. You will design test environments, craft evaluation frameworks, and contribute to AI-driven security testing methodologies in a fully remote setting.

You will build secure codebases, produce reference solutions, and collaborate with distributed teams to improve testing pipelines, ensuring

Qualifications

• Extensive experience in application security, secure software development, cybersecurity engineering, or related field.
• Strong understanding of application security principles, secure coding practices, vulnerability assessment, and remediation techniques.
• Familiarity with OSWE-level concepts, advanced vulnerability research, and practical security testing methodologies.
• Solid knowledge of large language model security, including vulnerabilities, prompt-based attack vectors, sensitive information disclosure, and excessive agency.
• Experience with AI-powered static application security testing (AI-SAST), automated code analysis, or AI-assisted evaluation.
• Proven ability to design, implement, secure, and test application codebases, including identifying complex vulnerabilities and validating secure implementations.

Responsibilities

• Design and implement fixtures with representative security vulnerabilities or secure implementations, focusing on OWASP risks in LLM apps.
• Develop realistic test scenarios addressing critical LLM security concerns and related weaknesses.
• Create deterministic test cases and security-context manifests for consistent evaluation.
• Develop reference solutions and hidden keys to enable accurate AI evaluation of vulnerable vs secure code.
• Assess and refine testing pipelines to ensure realistic, reproducible, technologically challenging tasks.

Skills

App security

AI security

Vulnerability testing

Deterministic testing

Job description

Jobgether is seeking an App Security Expert based in Turkey to strengthen security for traditional and AI-powered applications, with a focus on LLM risks such as information disclosure and excessive agency. You will design test environments, craft evaluation frameworks, and contribute to AI-driven security testing methodologies in a fully remote setting.

You will build secure codebases, produce reference solutions, and collaborate with distributed teams to improve testing pipelines, ensuring