Senior App Security Engineer – $70/hr

About The Job
Mercor
connects elite creative and technical talent with leading AI research labs. Headquartered in San Francisco, our investors include
Benchmark
,
General Catalyst
,
Peter Thiel
,
Adam D'Angelo
,
Larry Summers
, and
Jack Dorsey
.
Position:
Software Engineer - Cybersecurity
Type:
Freelance
Compensation:
$60–$70/hour
Location:
Remote
Duration:
1–2 months
Commitment:
15–25 hours/week, with flexibility up to 40 hours/week
Role Responsibilities

• Design benchmark tasks by ideating a vulnerability class and validating the intended exploit behavior.
• Create or validate small runnable codebases that include ingestion and prompt/tool usage where the trust boundary is violated.
• Validate the attack via an exploit script and document the unsafe behavior clearly.
• Validate implementation of a patch that prevents the exploit and verify the fix is effective.
• Produce task metadata such as severity mapping, exact file/line locations, impact analysis, remediation summary, and references.
• Conduct review and quality control to ensure paths resolve, line ranges are correct, labels aren’t leaked, and the fix blocks the exploit.

Qualifications
Must-Have

• 2+ years of experience in software engineering, with a focus on application security, vulnerability research, or secure software engineering.
• Degree in Software Engineering, Computer Science, or a related field (Bachelor's minimum; advanced degree preferred).
• Strong proficiency in Python, JavaScript, TypeScript, or other common languages found in open-source projects.
• Familiarity with version control workflows (Git, PRs, issue tracking).
• Comfortable articulating technical reasoning in clear, structured writing.

Start Date

• Immediate

Application Process (Takes 20–30 mins to complete)

• Upload resume
• AI interview: A short, 15-minute conversational session to understand your background, experience, and interest in the role
• Follow-up communication within a few days with next steps and onboarding details

Resources & Support

• For details about the interview process and platform information, please check: https://talent.docs.mercor.com/welcome/welcome
• For any help or support, reach out to: support@mercor.com

*PS: Our team reviews applications daily. Please complete your AI interview and application steps to be considered for this opportunity.*
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