Senior Application Security Researcher
CommIT · Remote (Spain)
Posted January 21, 1970
AI Summary
CommIT is hiring a senior, hands-on Application Security Researcher for its Security Research group, which is building next-generation detection for the AI-driven SDLC, including autonomous, agentic pen-testing. The role is a build-and-break position focused on web/API vulnerabilities, detection logic (SAST, DAST, SCA, secrets), and applying LLMs to security, taking research from prototype to production with close collaboration across engineering and AI teams.
Job Description
Description
The company secures the AI-driven SDLC from prompt to production, unifying development and cloud context to stop vulnerabilities at the source. The Security Research group is hiring a senior, hands-on Application Security Researcher to push modern AppSec forward — working with engineers, researchers and AI/data scientists on next-generation detection, including autonomous, agentic pen-testing capabilities. This is a build-and-break role, not a typical AppSec position.
Requirements
Must-have skills:
- 5+ years hands-on in offensive security, vulnerability research, or application security
- Deep understanding of web application and API vulnerabilities, including business-logic flaws and multi-step attack chains
- Strong coding in Python, Go, or similar, with production-quality code shipped
- **Experience building or tuning detection logic (**SAST, DAST, SCA, secrets, or custom rule engines) and reducing false positives
- Solid grasp of modern stacks: CI/CD pipelines, containers, Kubernetes, and at least one major cloud provider
- Hands-on use of LLMs / AI models for security tasks, with the judgment to measure where they help and where they fail
- Comfort with large datasets (SQL, BigQuery, or similar) to drive research and measure detection accuracy
- Takes research ideas from prototype to production with minimal guidance
- Clear written communication — can explain a complex attack path to engineers and product managers
- . in Computer Science, Cyber Security, or a related field
Nice to have:
- Published research, CVEs, conference talks, or a bug bounty track record
- Experience building AI agents or evaluation frameworks for LLMs
- Background in exploit development, red teaming, or penetration testing
- Code analysis techniques (taint analysis, call graphs, reachability)
- Contributions to open-source security tools
Originally posted on Himalayas
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