Mercor
Security Engineer, Application Security
San Francisco or NYC
Sponsorship not specifiedDetected 98 days ago
TypeScriptPythonCode ReviewCI/CDMachine LearningData EngineeringLLMsCybersecurityPenetration TestingJiraSupply ChainFirewallResearch
About the role
- Our vast talent network trains frontier AI models in the same way teachers teach students: by sharing knowledge, experience, and context that can't be captured in code alone.
Responsibilities
- We partner with leading AI labs and enterprises to provide the human intelligence essential to AI development.
- Experience building or tuning SAST/DAST tooling (Semgrep, CodeQL, Snyk, Burp, or similar)
- Application security at scale is hard - you'll build defenses that matter across a fast-moving platform.
- You'll own the entire application security domain - from code review processes to CI/CD security to bug bounty operations.
Requirements
- Strong in at least one of Python, TypeScript, or Go - you can read a PR and spot the auth bypass
- Experience managing a vulnerability pipeline - from discovery through prioritization to verified remediation
- 5+ years of professional experience in application security, security engineering, or software engineering with a strong security focus
- Experience running or triaging a bug bounty program (HackerOne, Bugcrowd)
- Experience securing AI/ML applications - model serving APIs, training data pipelines, prompt injection defense
- Familiarity with supply chain security - dependency scanning, registry firewalls (Socket, Snyk)
Skills
- by sharing knowledge, experience, and context that can't be captured in code alone.
- Today, more than 30,000 experts in our network collectively earn over $3 million a day.
- Mercor is creating a new category of work where expertise powers AI advancement.
- Mercor is a profitable Series C company valued at $10 billion.
Compensation
- Bi-annual performance bonus structure
Benefits
- Bi-annual performance bonus structure
- Generous equity grant vested over 4 years
- Up to $15k Relocation bonus
- $10K housing bonus (if you live within 0.5 miles of our office)
- $1.5K monthly stipend for meals
- $200 monthly laundry reimbursement
- $200 monthly personal wellness reimbursement
- Health, Dental, Vision insurance
- You'll use frontier AI tools daily - for code review, vulnerability analysis, and anything that benefits from an AI co-pilot.
Company info
- Mercor's mission is to organize human intelligence to power the AI economy.
This listing is sourced directly from Mercor's careers page and normalized into a canonical job model.